{"id":"us-nv","slug":"nevada","name":"Nevada","license":"CC-BY-4.0","placeNode":"/places/us-nv.json","construction":{"reviewStatus":"none","applications":[],"localApplications":[{"id":"iwuic-2024-clark-county","title":"Clark County 2024 IWUIC application","instrumentId":"iwuic-2024","placeId":"us-nv-clark","status":"active","geographicScope":"unincorporated-county","scopeSummary":"Clark County applies its 2024 IWUIC through the County Fire Department's unincorporated service jurisdiction; official boundary, WUI map, assigned IR class, project, and code-official checks remain open.","adoptedOn":"2025-12-02T00:00:00.000Z","effectiveOn":"2026-01-01T00:00:00.000Z","requirementIds":["iwuic-2024-class-1-2-20-minute-exterior-door","iwuic-2024-class-1-2-class-a-roof-assembly","iwuic-2024-class-1-2-multilayered-glazing","iwuic-2024-class-1-2-noncombustible-deck","iwuic-2024-class-1-2-noncombustible-exterior-door","iwuic-2024-class-1-2-noncombustible-exterior-wall","iwuic-2024-class-1-2-solid-core-exterior-door","iwuic-2024-class-1-noncombustible-eave","iwuic-2024-class-1-wall-base-protection","iwuic-2024-class-2-solid-eave-enclosure","iwuic-2024-class-3-class-b-roof-assembly","iwuic-2024-noncombustible-gutters","iwuic-2024-roof-profile-closure","iwuic-2024-roof-valley-flashing","iwuic-2024-vent-mesh"],"requirementCoverage":"complete","requirementCoverageSummary":"All 15 normalized model material rows were reviewed against Ordinance 5320; this is complete only for that model crosswalk, not full-code normalization or a finding that every class row applies to one project.","requirementScopes":[{"requirementId":"iwuic-2024-class-1-2-20-minute-exterior-door","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This exterior-door path applies only when the County assigns IR1 or IR2 construction.","sourceSections":["504.9","505.9"]},{"requirementId":"iwuic-2024-class-1-2-class-a-roof-assembly","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This Class A roof path applies only when the County assigns IR1 or IR2 construction.","sourceSections":["504.2","505.2"]},{"requirementId":"iwuic-2024-class-1-2-multilayered-glazing","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This multilayered-glazing path applies only when the County assigns IR1 or IR2 construction.","sourceSections":["504.8","505.8"]},{"requirementId":"iwuic-2024-class-1-2-noncombustible-deck","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This noncombustible appendage path applies only when the County assigns IR1 or IR2 construction.","sourceSections":["504.7","505.7"]},{"requirementId":"iwuic-2024-class-1-2-noncombustible-exterior-door","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This noncombustible exterior-door path applies only when the County assigns IR1 or IR2 construction.","sourceSections":["504.9","505.9"]},{"requirementId":"iwuic-2024-class-1-2-noncombustible-exterior-wall","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This noncombustible exterior-wall path applies only when the County assigns IR1 or IR2 construction.","sourceSections":["504.5","505.5"]},{"requirementId":"iwuic-2024-class-1-2-solid-core-exterior-door","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This solid-core exterior-door path applies only when the County assigns IR1 or IR2 construction.","sourceSections":["504.9","505.9"]},{"requirementId":"iwuic-2024-class-1-noncombustible-eave","scopeKeys":["ignition-resistant-class-1"],"scopeSummary":"This eave path applies only when the County assigns IR1 construction.","sourceSections":["503.2.1","504.3"]},{"requirementId":"iwuic-2024-class-1-wall-base-protection","scopeKeys":["ignition-resistant-class-1"],"scopeSummary":"This wall-base path applies only when the County assigns IR1 construction.","sourceSections":["504.5.1"]},{"requirementId":"iwuic-2024-class-2-solid-eave-enclosure","scopeKeys":["ignition-resistant-class-2"],"scopeSummary":"This solid eave-enclosure path applies only when the County assigns IR2 construction.","sourceSections":["505.3"]},{"requirementId":"iwuic-2024-class-3-class-b-roof-assembly","scopeKeys":["ignition-resistant-class-3"],"scopeSummary":"This Class B roof path applies only when the County assigns IR3 construction.","sourceSections":["506.2"]},{"requirementId":"iwuic-2024-noncombustible-gutters","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This gutter-and-downspout path applies after the County assigns IR1, IR2, or IR3 construction.","sourceSections":["504.4","505.4","506.4"]},{"requirementId":"iwuic-2024-roof-profile-closure","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This roof-profile closure applies after the County assigns IR1, IR2, or IR3 construction.","sourceSections":["504.2","505.2","506.2"]},{"requirementId":"iwuic-2024-roof-valley-flashing","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This valley-flashing path applies after the County assigns IR1, IR2, or IR3 construction.","sourceSections":["504.2.1","505.2.1","506.2.1"]},{"requirementId":"iwuic-2024-vent-mesh","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This vent-mesh path applies after the County assigns IR1, IR2, or IR3 construction.","sourceSections":["504.10.2","505.10.2","506.5"]}],"requirementCrosswalk":[{"modelRequirementId":"iwuic-2024-class-1-2-20-minute-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 exterior-door atom.","sourceSections":["13.08.060","504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-2-class-a-roof-assembly","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 Class A roof atom.","sourceSections":["13.08.060","504.2","505.2"]},{"modelRequirementId":"iwuic-2024-class-1-2-multilayered-glazing","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 multilayered-glazing atom.","sourceSections":["13.08.060","504.8","505.8"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-deck","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 noncombustible-appendage atom.","sourceSections":["13.08.060","504.7","505.7"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 noncombustible-door atom.","sourceSections":["13.08.060","504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-exterior-wall","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 noncombustible-wall atom.","sourceSections":["13.08.060","504.5","505.5"]},{"modelRequirementId":"iwuic-2024-class-1-2-solid-core-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 solid-core-door atom.","sourceSections":["13.08.060","504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-noncombustible-eave","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 noncombustible-eave atom.","sourceSections":["13.08.060","503.2.1","504.3"]},{"modelRequirementId":"iwuic-2024-class-1-wall-base-protection","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 wall-base atom.","sourceSections":["13.08.060","504.5.1"]},{"modelRequirementId":"iwuic-2024-class-2-solid-eave-enclosure","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 solid-eave atom.","sourceSections":["13.08.060","505.3"]},{"modelRequirementId":"iwuic-2024-class-3-class-b-roof-assembly","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 Class B roof atom.","sourceSections":["13.08.060","506.2"]},{"modelRequirementId":"iwuic-2024-noncombustible-gutters","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 noncombustible-gutter atom.","sourceSections":["13.08.060","504.4","505.4","506.4"]},{"modelRequirementId":"iwuic-2024-roof-profile-closure","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 roof-profile atom.","sourceSections":["13.08.060","504.2","505.2","506.2"]},{"modelRequirementId":"iwuic-2024-roof-valley-flashing","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 valley-flashing atom.","sourceSections":["13.08.060","504.2.1","505.2.1","506.2.1"]},{"modelRequirementId":"iwuic-2024-vent-mesh","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Clark's enumerated amendments do not modify the Chapter 5 prescriptive vent-mesh atom.","sourceSections":["13.08.060","504.10.2","505.10.2","506.5"]}],"map":{"status":"official-map-required-not-located","summary":"Ordinance 5320 requires public or electronic WUI mapping unless the community risk assessment identifies no WUI; no current official map URL or project-specific IR-class answer was located.","source":{"title":"Clark County Ordinance 5320, Section 13.08.080","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}},"projectTriggers":[{"summary":"The adopted model code reaches only officially declared WUI areas, and Clark's ordinance requires the code official to review those areas.","sourceSections":["302.1","302.2","302.3"],"source":{"title":"Clark County Ordinance 5320","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}}],"localAmendments":[{"kind":"modification","section":"13.08.070–13.08.085","summary":"Ordinance 5320 enumerates local changes in Chapters 1, 3, and 4; it does not enumerate a Chapter 5 amendment.","source":{"title":"Clark County Ordinance 5320","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}},{"kind":"modification","section":"302.2","summary":"Clark requires public or electronic WUI mapping unless its community risk assessment identifies no WUI areas.","source":{"title":"Clark County Ordinance 5320","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}}],"supportingSources":[{"title":"Clark County Code and ordinances","url":"https://www.clarkcountynv.gov/government/elected_officials/county_clerk/county-code","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"},{"title":"Clark County jurisdiction locator","url":"https://www.clarkcountynv.gov/business/doing_business_with_clark_county/divisions/sports_and_special_events/clark-county-jurisdiction-locator","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}],"unresolvedPredicates":["official-boundary","official-hazard-map","official-hazard-class","project-type","effective-date","official-confirmation"],"source":{"title":"Clark County Ordinance 5320","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"},"author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-26T00:00:00.000Z"},{"id":"iwuic-2024-washoe-county","title":"Washoe County 2024 IWUIC Chapter 5 application","instrumentId":"iwuic-2024","placeId":"us-nv-washoe","status":"active","geographicScope":"unincorporated-county","scopeSummary":"Washoe County's Building Program applies 2024 IWUIC Chapter 5 under Ordinance 1736, while the companion Chapter 60 fire-code adoption supplies the fire-authority inputs in Truckee Meadows Fire Protection District and other unincorporated areas where the County has fire responsibility; boundary, parcel hazard, water, defensible space, assigned IR class, project, transition date, and official checks remain open.","adoptedOn":"2025-06-10T00:00:00.000Z","effectiveOn":"2025-07-01T00:00:00.000Z","requirementIds":["iwuic-2024-class-1-2-20-minute-exterior-door","iwuic-2024-class-1-2-class-a-roof-assembly","iwuic-2024-class-1-2-multilayered-glazing","iwuic-2024-class-1-2-noncombustible-deck","iwuic-2024-class-1-2-noncombustible-exterior-door","iwuic-2024-class-1-2-noncombustible-exterior-wall","iwuic-2024-class-1-2-solid-core-exterior-door","iwuic-2024-class-1-noncombustible-eave","iwuic-2024-class-1-wall-base-protection","iwuic-2024-class-2-solid-eave-enclosure","iwuic-2024-class-3-class-b-roof-assembly","iwuic-2024-noncombustible-gutters","iwuic-2024-roof-profile-closure","iwuic-2024-roof-valley-flashing","iwuic-2024-vent-mesh"],"requirementCoverage":"complete","requirementCoverageSummary":"All 15 normalized model material rows were reviewed against Washoe County's Chapter 5 adoption and current official construction guide; this is complete only for that model crosswalk, not full-code normalization or a finding that every class row applies to one project.","requirementScopes":[{"requirementId":"iwuic-2024-class-1-2-20-minute-exterior-door","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This exterior-door path applies only after the County and fire district inputs route the project to IR1 or IR2 construction.","sourceSections":["503.1","504.9","505.9"]},{"requirementId":"iwuic-2024-class-1-2-class-a-roof-assembly","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This Class A roof path applies only after the County and fire district inputs route the project to IR1 or IR2 construction.","sourceSections":["503.1","504.2","505.2"]},{"requirementId":"iwuic-2024-class-1-2-multilayered-glazing","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This multilayered-glazing path applies only after the County and fire district inputs route the project to IR1 or IR2 construction.","sourceSections":["503.1","504.8","505.8"]},{"requirementId":"iwuic-2024-class-1-2-noncombustible-deck","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This noncombustible appendage path applies only after the County and fire district inputs route the project to IR1 or IR2 construction.","sourceSections":["503.1","504.7","505.7"]},{"requirementId":"iwuic-2024-class-1-2-noncombustible-exterior-door","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This noncombustible exterior-door path applies only after the County and fire district inputs route the project to IR1 or IR2 construction.","sourceSections":["503.1","504.9","505.9"]},{"requirementId":"iwuic-2024-class-1-2-noncombustible-exterior-wall","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This noncombustible exterior-wall path applies only after the County and fire district inputs route the project to IR1 or IR2 construction.","sourceSections":["503.1","504.5","505.5"]},{"requirementId":"iwuic-2024-class-1-2-solid-core-exterior-door","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This solid-core exterior-door path applies only after the County and fire district inputs route the project to IR1 or IR2 construction.","sourceSections":["503.1","504.9","505.9"]},{"requirementId":"iwuic-2024-class-1-noncombustible-eave","scopeKeys":["ignition-resistant-class-1"],"scopeSummary":"This eave path applies only after the County and fire district inputs route the project to IR1 construction.","sourceSections":["503.1","503.2.1","504.3"]},{"requirementId":"iwuic-2024-class-1-wall-base-protection","scopeKeys":["ignition-resistant-class-1"],"scopeSummary":"This wall-base path applies only after the County and fire district inputs route the project to IR1 construction.","sourceSections":["503.1","504.5.1"]},{"requirementId":"iwuic-2024-class-2-solid-eave-enclosure","scopeKeys":["ignition-resistant-class-2"],"scopeSummary":"This solid eave-enclosure path applies only after the County and fire district inputs route the project to IR2 construction.","sourceSections":["503.1","505.3"]},{"requirementId":"iwuic-2024-class-3-class-b-roof-assembly","scopeKeys":["ignition-resistant-class-3"],"scopeSummary":"This Class B roof path applies only after the County and fire district inputs route the project to IR3 construction.","sourceSections":["503.1","506.2"]},{"requirementId":"iwuic-2024-noncombustible-gutters","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This gutter-and-downspout path applies after the County and fire district inputs route the project to IR1, IR2, or IR3 construction.","sourceSections":["503.1","504.4","505.4","506.4"]},{"requirementId":"iwuic-2024-roof-profile-closure","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This roof-profile closure applies after the County and fire district inputs route the project to IR1, IR2, or IR3 construction.","sourceSections":["503.1","504.2","505.2","506.2"]},{"requirementId":"iwuic-2024-roof-valley-flashing","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This valley-flashing path applies after the County and fire district inputs route the project to IR1, IR2, or IR3 construction.","sourceSections":["503.1","504.2.1","505.2.1","506.2.1"]},{"requirementId":"iwuic-2024-vent-mesh","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This vent-mesh path applies after the County and fire district inputs route the project to IR1, IR2, or IR3 construction.","sourceSections":["503.1","504.10.2","505.10.2","506.5"]}],"requirementCrosswalk":[{"modelRequirementId":"iwuic-2024-class-1-2-20-minute-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model exterior-door atom.","sourceSections":["Chapter 5","504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-2-class-a-roof-assembly","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model Class A roof atom.","sourceSections":["Chapter 5","504.2","505.2"]},{"modelRequirementId":"iwuic-2024-class-1-2-multilayered-glazing","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model multilayered-glazing atom.","sourceSections":["Chapter 5","504.8","505.8"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-deck","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model noncombustible-appendage atom.","sourceSections":["Chapter 5","504.7","505.7"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model noncombustible-door atom.","sourceSections":["Chapter 5","504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-exterior-wall","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model noncombustible-wall atom.","sourceSections":["Chapter 5","504.5","505.5"]},{"modelRequirementId":"iwuic-2024-class-1-2-solid-core-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model solid-core-door atom.","sourceSections":["Chapter 5","504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-noncombustible-eave","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model noncombustible-eave atom.","sourceSections":["Chapter 5","503.2.1","504.3"]},{"modelRequirementId":"iwuic-2024-class-1-wall-base-protection","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model wall-base atom.","sourceSections":["Chapter 5","504.5.1"]},{"modelRequirementId":"iwuic-2024-class-2-solid-eave-enclosure","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model solid eave-enclosure atom.","sourceSections":["Chapter 5","505.3"]},{"modelRequirementId":"iwuic-2024-class-3-class-b-roof-assembly","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model Class B roof atom.","sourceSections":["Chapter 5","506.2"]},{"modelRequirementId":"iwuic-2024-noncombustible-gutters","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model noncombustible-gutter atom.","sourceSections":["Chapter 5","504.4","505.4","506.4"]},{"modelRequirementId":"iwuic-2024-roof-profile-closure","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model roof-profile atom.","sourceSections":["Chapter 5","504.2","505.2","506.2"]},{"modelRequirementId":"iwuic-2024-roof-valley-flashing","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model valley-flashing atom.","sourceSections":["Chapter 5","504.2.1","505.2.1","506.2.1"]},{"modelRequirementId":"iwuic-2024-vent-mesh","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Washoe's Chapter 5 adoption and current guide retain the model prescriptive vent-mesh atom.","sourceSections":["Chapter 5","504.10.2","505.10.2","506.5"]}],"map":{"status":"linked-official-tool","summary":"Washoe's official EZ Fire-WUI map accepts an address or APN and returns the parcel hazard category; the applicable fire district must separately confirm water and defensible-space conformity before Table 503.1 yields an IR class.","url":"https://gis.washoecounty.us/wrms/quick/firehazard?auth=0","source":{"title":"Washoe County Wildland Urban Interface Code Guide","url":"https://www.washoecounty.gov/building/Informational_Pages/Wildland_Urban_Interface_Code_Guide.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},"projectTriggers":[{"summary":"Ordinance 1750 applies the companion fire-code layer within Truckee Meadows Fire Protection District and other unincorporated areas where Washoe County has fire responsibility; it adopts IWUIC Chapters 1 through 4, 6, and 7 for that layer, while building-construction matters and the separately adopted Chapter 5 remain with the building code official.","sourceSections":["60.100.010","60.100.020","Chapter 5 deletion","Section 202 Code Official"],"source":{"title":"Washoe County Ordinance 1750","url":"https://library.municode.com/nv/washoe_county/ordinances/code_of_ordinances?nodeId=1417368","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-12-16T00:00:00.000Z"}},{"summary":"The official guide routes construction through Table 503.1 only after the parcel hazard category and the applicable fire district's water and defensible-space conformity determinations are known.","sourceSections":["Fire Hazard Severity","Defensible Space and Water Conformity","Table 503.1"],"source":{"title":"Washoe County Wildland Urban Interface Code Guide","url":"https://www.washoecounty.gov/building/Informational_Pages/Wildland_Urban_Interface_Code_Guide.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"summary":"For a building that predates this code, replacing at least 25 percent of the roof covering in a 12-month period routes the replacement covering to the new-construction requirement for the assigned ignition-resistant class.","sourceSections":["507.1"],"source":{"title":"Washoe County Wildland Urban Interface Code Guide","url":"https://www.washoecounty.gov/building/Informational_Pages/Wildland_Urban_Interface_Code_Guide.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}}],"localAmendments":[{"kind":"deletion","section":"Chapter 60 companion IWUIC, Chapter 5","summary":"Ordinance 1750 deletes Chapter 5 from the separate fire-code adoption that supplies Chapters 1 through 4, 6, and 7; that deletion does not erase Ordinance 1736's Chapter 100 building-code adoption of 2024 IWUIC Chapter 5.","source":{"title":"Washoe County Ordinance 1750","url":"https://library.municode.com/nv/washoe_county/ordinances/code_of_ordinances?nodeId=1417368","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-12-16T00:00:00.000Z"}},{"kind":"transition","section":"2024 code transition notice","summary":"Washoe County's adopted-code notice gives a July 1, 2025 effective date and a six-month transition; 2024 editions are required for submittals on and after January 1, 2026, while earlier 2018-code submittals remain under their submitted edition.","source":{"title":"Washoe County Adopted Building Codes","url":"https://www.washoecounty.gov/building/getting_started/building_codes.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}}],"supportingSources":[{"title":"Washoe County Ordinance 1750","url":"https://library.municode.com/nv/washoe_county/ordinances/code_of_ordinances?nodeId=1417368","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-12-16T00:00:00.000Z"},{"title":"History of Adopted Building Codes within Washoe County","url":"https://www.washoecounty.gov/building/Informational_Pages/History_of_Adopted_Building_Codes.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-06-10T00:00:00.000Z"},{"title":"Washoe County Wildland Urban Interface Code Guide","url":"https://www.washoecounty.gov/building/Informational_Pages/Wildland_Urban_Interface_Code_Guide.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"},{"title":"Washoe County EZ Fire-WUI Map","url":"https://gis.washoecounty.us/wrms/quick/firehazard?auth=0","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}],"unresolvedPredicates":["official-boundary","official-hazard-map","official-hazard-class","project-type","effective-date","official-confirmation"],"source":{"title":"Washoe County Adopted Building Codes","url":"https://www.washoecounty.gov/building/getting_started/building_codes.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"},"author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-26T00:00:00.000Z"}],"requirements":[],"sources":[{"title":"NAC 477.281 Codes adopted by reference","url":"https://www.leg.state.nv.us/nac/nac-477.html#NAC477Sec281","publisher":"Nevada Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"},{"title":"NAC 477.283 Changes to codes adopted by reference","url":"https://www.leg.state.nv.us/nac/nac-477.html#NAC477Sec283","publisher":"Nevada Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"},{"title":"NAC 477.280 Adoption and effect of local requirements","url":"https://www.leg.state.nv.us/nac/nac-477.html#NAC477Sec280","publisher":"Nevada Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"},{"title":"NRS 477.030 Duties; powers; applicability of regulations in certain counties","url":"https://www.leg.state.nv.us/nrs/NRS-477.html#NRS477Sec030","publisher":"Nevada Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}]},"localAuthorities":[{"id":"us-nv-clark","name":"Clark County","kind":"county","recordType":"local-code","topics":["construction","fire-access"],"page":"/places/nevada/clark-county/"},{"id":"us-nv-washoe","name":"Washoe County","kind":"county","recordType":"local-code","topics":["construction","fire-access"],"page":"/places/nevada/washoe-county/"}],"claims":{"exact":[{"id":"guide:clark-county-iwuic-over-nevada:2","anchor":"local-us-nv-clark-county-iwuic-over-nevada-2","place":"Nevada statewide (Chapter 5 deleted)","placeId":"us-nv","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"NAC 477.281(1)(d) adopts the 2018 IWUIC including Appendices A and B. NAC 477.283(4)(e) deletes Chapter 5. That is not unmodified IWUIC and not a statewide roof, wall, vent, or deck book. NAC 477.280(3) lets a local government adopt a more stringent code.","asOf":"2026-08-25T00:00:00.000Z","object":{"kind":"guide","id":"clark-county-iwuic-over-nevada","title":"Clark County IWUIC over Nevada’s deleted Chapter 5","url":"/guides/clark-county-iwuic-over-nevada/"},"source":{"title":"Nev. Admin. Code § 477.283 Changes to codes adopted by reference","url":"https://www.law.cornell.edu/regulations/nevada/NAC-477-283","publisher":"Nevada State Fire Marshal (via Legal Information Institute)","sourceType":"official","accessedOn":"2026-08-25T00:00:00.000Z"}},{"id":"guide:covering-vs-assembly:8","anchor":"local-us-nv-covering-vs-assembly-8","place":"Nevada statewide (Chapter 5 deleted)","placeId":"us-nv","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"NAC 477.281 adopts the 2018 IWUIC including Appendices A and B. NAC 477.283(4)(e) deletes Chapter 5. There is no statewide IWUIC Class A roof from that chapter. A local ordinance may restore construction rules.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"guide","id":"covering-vs-assembly","title":"Covering versus assembly","url":"/guides/covering-vs-assembly/"},"source":{"title":"NAC 477.283 Changes to codes adopted by reference","url":"https://www.leg.state.nv.us/nac/nac-477.html#NAC477Sec283","publisher":"Nevada Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:how-wui-is-mapped:6","anchor":"local-us-nv-how-wui-is-mapped-6","place":"Nevada statewide (Chapter 5 deleted)","placeId":"us-nv","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"NAC 477.281 still adopts the 2018 IWUIC, including the WUI-area chapter, with Section 302.3 review language amended. NAC 477.283 then deletes Chapter 5. A statewide mapping overlay without a construction chapter is not a Class A roof. Confirm the local ordinance.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"guide","id":"how-wui-is-mapped","title":"How the WUI is mapped","url":"/guides/how-wui-is-mapped/"},"source":{"title":"NAC 477.283 Changes to codes adopted by reference","url":"https://www.leg.state.nv.us/nac/nac-477.html#NAC477Sec283","publisher":"Nevada Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:how-to-read-a-state-page:2","anchor":"local-us-nv-how-to-read-a-state-page-2","place":"Nevada statewide (Chapter 5 deleted)","placeId":"us-nv","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"NAC 477.283(4)(e) deletes 2018 IWUIC Chapter 5. That is not a statewide roof, wall, vent, or deck book. Locals may still adopt a stricter book.","asOf":"2026-08-25T00:00:00.000Z","object":{"kind":"guide","id":"how-to-read-a-state-page","title":"How to read a state page","url":"/guides/how-to-read-a-state-page/"},"source":{"title":"Nev. Admin. Code § 477.283 Changes to codes adopted by reference","url":"https://www.law.cornell.edu/regulations/nevada/NAC-477-283","publisher":"Nevada State Fire Marshal (via Legal Information Institute)","sourceType":"official","accessedOn":"2026-08-25T00:00:00.000Z"}},{"id":"standard:iwuic:10","anchor":"local-us-nv-iwuic-10","place":"Nevada statewide (Chapter 5 deleted)","placeId":"us-nv","scopeKind":"place","scopeMode":"descendants","scopeRef":"iwuic","claim":"NAC 477.281 adopts the 2018 IWUIC including Appendices A and B. NAC 477.283(4)(e) deletes Chapter 5. That is not unmodified IWUIC and not a statewide roof, wall, vent, or deck book. Locals may adopt more stringent rules.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"standard","id":"iwuic","title":"International Wildland-Urban Interface Code","url":"/standards/iwuic/"},"source":{"title":"NAC 477.283 Changes to codes adopted by reference","url":"https://www.leg.state.nv.us/nac/nac-477.html#NAC477Sec283","publisher":"Nevada Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:is-sagebrush-a-hazard-in-idaho:2","anchor":"local-us-nv-is-sagebrush-a-hazard-in-idaho-2","place":"Nevada, UNR FS-97-36 greenstrips","placeId":"us-nv","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"Greenstrips are long, narrow bands of fire retardant vegetation. In most Nevada sagebrush-grassland rangelands a width of 300 feet is recommended, about 36 acres per mile. They are created by seeding plants that readily establish, are difficult to ignite, burn with low intensity, and are tolerant of fire. Common uses include around homes in high fire hazard rangelands. Low sagebrush and meadows can be existing low-hazard fuel breaks. That is not a permit to plant big sagebrush in Idaho Zone 1.","asOf":"2026-08-25T00:00:00.000Z","object":{"kind":"guide","id":"is-sagebrush-a-hazard-in-idaho","title":"Is sagebrush a hazard in Idaho","url":"/guides/is-sagebrush-a-hazard-in-idaho/"},"source":{"title":"Greenstrips: Another Tool to Manage Wildfire (FS-97-36)","url":"https://extension.unr.edu/publication.aspx?PubID=3342","publisher":"University of Nevada, Reno Extension","sourceType":"official","accessedOn":"2026-08-25T00:00:00.000Z","documentDate":"1997-01-01T00:00:00.000Z"}},{"id":"guide:mesh-vs-listed-vents:4","anchor":"local-us-nv-mesh-vs-listed-vents-4","place":"Nevada statewide (Chapter 5 deleted)","placeId":"us-nv","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"NAC 477.283(4)(e) deletes IWUIC Chapter 5. There is no statewide IWUIC vent construction path from that chapter. A local ordinance may restore construction rules.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"guide","id":"mesh-vs-listed-vents","title":"Mesh versus listed vents","url":"/guides/mesh-vs-listed-vents/"},"source":{"title":"NAC 477.283 Changes to codes adopted by reference","url":"https://www.leg.state.nv.us/nac/nac-477.html#NAC477Sec283","publisher":"Nevada Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:nevada-wui-code-status:1","anchor":"local-us-nv-nevada-wui-code-status-1","place":"Nevada statewide (Chapter 5 deleted)","placeId":"us-nv","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"NAC 477.281 adopts the 2018 IWUIC including Appendices A and B. NAC 477.283(4)(e) deletes Chapter 5 (R048-24, 16 September 2024). That is not unmodified IWUIC and not a statewide roof, wall, vent, or deck book. Locals may adopt more stringent rules.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"guide","id":"nevada-wui-code-status","title":"Nevada WUI code status","url":"/guides/nevada-wui-code-status/"},"source":{"title":"NAC 477.283 Changes to codes adopted by reference","url":"https://www.leg.state.nv.us/nac/nac-477.html#NAC477Sec283","publisher":"Nevada Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:what-a-greenstrip-is:1","anchor":"local-us-nv-what-a-greenstrip-is-1","place":"Nevada rangeland greenstrips (UNR FS-97-36)","placeId":"us-nv","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"Greenstrips are long, narrow bands of fire retardant vegetation. In most Nevada sagebrush-grassland rangelands a width of 300 feet is recommended (about 36 acres per mile). Uses include adjacent to roads and railways, around individual homes or neighborhoods in high fire hazard rangelands, and breaking up large blocks of continuous annual vegetation. Greenstrips should be grazed or mown so fuels do not build.","asOf":"2026-08-25T00:00:00.000Z","object":{"kind":"guide","id":"what-a-greenstrip-is","title":"What a greenstrip is","url":"/guides/what-a-greenstrip-is/"},"source":{"title":"Greenstrips: Another Tool to Manage Wildfire (FS-97-36)","url":"https://extension.unr.edu/publication.aspx?PubID=3342","publisher":"University of Nevada Cooperative Extension","sourceType":"official","accessedOn":"2026-08-25T00:00:00.000Z","documentDate":"1997-01-01T00:00:00.000Z"}},{"id":"guide:deleting-iwuic-chapter-5:3","anchor":"local-us-nv-deleting-iwuic-chapter-5-3","place":"Nevada statewide (Chapter 5 deleted)","placeId":"us-nv","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"NAC 477.283(4)(e) deletes 2018 IWUIC Chapter 5 on the State Fire Marshal path. That is not a statewide roof, wall, vent, or deck book.","asOf":"2026-08-25T00:00:00.000Z","object":{"kind":"guide","id":"deleting-iwuic-chapter-5","title":"What deleting IWUIC Chapter 5 actually removes","url":"/guides/deleting-iwuic-chapter-5/"},"source":{"title":"Nev. Admin. Code § 477.283 Changes to codes adopted by reference","url":"https://www.law.cornell.edu/regulations/nevada/NAC-477-283","publisher":"Nevada State Fire Marshal (via Legal Information Institute)","sourceType":"official","accessedOn":"2026-08-25T00:00:00.000Z"}}],"local":[{"id":"guide:clark-county-iwuic-over-nevada:1","anchor":"local-us-nv-clark-clark-county-iwuic-over-nevada-1","place":"Clark County IWUIC (2024)","placeId":"us-nv-clark","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Clark County Ordinance 5320 (passed 2 December 2025, in force 1 January 2026) adopts the 2024 IWUIC with Appendices A, B, and C as Title 13, Chapter 13.08. Section 1 incorporates that edition in its entirety except as specifically amended. 13.08.070 through 13.08.085 amend Chapters 1, 3, and 4. Chapter 5 is not among those listed amendments.","asOf":"2026-08-25T00:00:00.000Z","object":{"kind":"guide","id":"clark-county-iwuic-over-nevada","title":"Clark County IWUIC over Nevada’s deleted Chapter 5","url":"/guides/clark-county-iwuic-over-nevada/"},"source":{"title":"Clark County Ordinance 5320 Wildland-Urban Interface Code","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-25T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}},{"id":"guide:covering-vs-assembly:31","anchor":"local-us-nv-clark-covering-vs-assembly-31","place":"Clark County 2024 IWUIC roof classes","placeId":"us-nv-clark","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Clark County Ordinance 5320 adopts the 2024 IWUIC in its entirety except as specifically amended. Sections 13.08.070 through 13.08.085 enumerate local changes to Chapters 1, 3, and 4, not Chapter 5. The resulting adopted-unchanged model crosswalk keeps Class A roof assemblies tested to ASTM E108 or UL 790 for IR1 and IR2 under 504.2 and 505.2, and Class B or better for IR3 under 506.2. Confirm the official WUI map, assigned class, project, and County interpretation.","asOf":"2026-08-27T00:00:00.000Z","object":{"kind":"guide","id":"covering-vs-assembly","title":"Covering versus assembly","url":"/guides/covering-vs-assembly/"},"source":{"title":"Clark County Ordinance 5320 Wildland-Urban Interface Code","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-27T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}},{"id":"guide:covering-vs-assembly:15","anchor":"local-us-nv-washoe-covering-vs-assembly-15","place":"Washoe County IWUIC Chapter 5 (2024)","placeId":"us-nv-washoe","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Washoe County Code 100.100.10 adopts 2024 IWUIC Chapter 5 only (Ord. 1736, effective 1 July 2025; 2024 submittals required on or after 1 January 2026). The county WUI Code Guide states IR1 uses IWUIC 504 and a Class A roof. Statewide NAC 477.283 still deletes Chapter 5.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"guide","id":"covering-vs-assembly","title":"Covering versus assembly","url":"/guides/covering-vs-assembly/"},"source":{"title":"Washoe County Code 100.100.10 Adopted codes","url":"https://library.municode.com/NV/Washoe%20County/codes/code_of_ordinances?nodeId=CH100BUCO_ART100ADCO_100.100.10ADCO","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:gutters-and-debris:14","anchor":"local-us-nv-clark-gutters-and-debris-14","place":"Clark County 2024 IWUIC gutters","placeId":"us-nv-clark","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Clark County Ordinance 5320 adopts the 2024 IWUIC in its entirety except as specifically amended, and its enumerated changes do not amend Chapter 5. The reviewed adopted-unchanged crosswalk therefore keeps noncombustible gutters and downspouts under 504.4, 505.4, and 506.4 for IR1, IR2, and IR3. Debris control, official WUI map, assigned class, project, and County confirmation remain separate checks.","asOf":"2026-08-27T00:00:00.000Z","object":{"kind":"guide","id":"gutters-and-debris","title":"Gutters and debris as an ember bed","url":"/guides/gutters-and-debris/"},"source":{"title":"Clark County Ordinance 5320 Wildland-Urban Interface Code","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-27T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}},{"id":"guide:gutters-and-debris:15","anchor":"local-us-nv-washoe-gutters-and-debris-15","place":"Washoe County 2024 IWUIC gutters","placeId":"us-nv-washoe","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Washoe County's accepted 2024 Chapter 5 crosswalk keeps noncombustible gutters and downspouts under 504.4, 505.4, and 506.4 for IR1, IR2, and IR3. The normalized atom does not establish a debris-prevention device. Parcel hazard, fire-district water and defensible-space findings, Table 503.1 class, project edition, and official confirmation remain separate checks.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"gutters-and-debris","title":"Gutters and debris as an ember bed","url":"/guides/gutters-and-debris/"},"source":{"title":"Washoe County Wildland Urban Interface Code Guide","url":"https://www.washoecounty.gov/building/Informational_Pages/Wildland_Urban_Interface_Code_Guide.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:how-wui-is-mapped:5","anchor":"local-us-nv-clark-how-wui-is-mapped-5","place":"Clark County IWUIC (2024)","placeId":"us-nv-clark","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Clark County 13.08.080 amends 2024 IWUIC 302.2 so WUI areas shall be recorded on maps available for inspection or in an electronic mapping format. A jurisdiction is not required to record a map when its community risk assessment does not identify WUI areas.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"guide","id":"how-wui-is-mapped","title":"How the WUI is mapped","url":"/guides/how-wui-is-mapped/"},"source":{"title":"Clark County Ordinance 5320 Wildland-Urban Interface Code","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}},{"id":"guide:how-wui-is-mapped:7","anchor":"local-us-nv-washoe-how-wui-is-mapped-7","place":"Washoe County parcel-to-IR workflow","placeId":"us-nv-washoe","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Washoe County's official guide sends an address or APN to the EZ Fire-WUI map for a parcel hazard category. The applicable fire district separately determines water and defensible-space conformity; Table 503.1 then yields IR1, IR2, or IR3. The map color alone is not the construction result, and this site does not run those project inputs.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"how-wui-is-mapped","title":"How the WUI is mapped","url":"/guides/how-wui-is-mapped/"},"source":{"title":"Washoe County Wildland Urban Interface Code Guide","url":"https://www.washoecounty.gov/building/Informational_Pages/Wildland_Urban_Interface_Code_Guide.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"standard:iwuic:9","anchor":"local-us-nv-clark-iwuic-9","place":"Clark County IWUIC (2024)","placeId":"us-nv-clark","scopeKind":"place","scopeMode":"exact","scopeRef":"iwuic","claim":"Clark County 13.08.020 adopts the 2024 IWUIC with Appendices A, B, and C, effective 1 January 2026. 13.08.070 through 13.08.085 amend Chapters 1, 3, and 4. Chapter 5 is not among those listed amendments. NAC 477.283 still deletes Chapter 5 statewide.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"standard","id":"iwuic","title":"International Wildland-Urban Interface Code","url":"/standards/iwuic/"},"source":{"title":"Clark County Ordinance 5320 Wildland-Urban Interface Code","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}},{"id":"standard:iwuic:7","anchor":"local-us-nv-washoe-iwuic-7","place":"Washoe County IWUIC Chapter 5 (2024)","placeId":"us-nv-washoe","scopeKind":"place","scopeMode":"exact","scopeRef":"iwuic","claim":"Washoe County Code 100.100.10 (Ord. 1736, § 1, 10 June 2025, effective 1 July 2025) adopts the 2024 IWUIC First Print, Chapter 5 only. The county’s adopted-codes page requires 2024 editions for submittals on or after 1 January 2026. NAC 477.283 still deletes Chapter 5 statewide.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"standard","id":"iwuic","title":"International Wildland-Urban Interface Code","url":"/standards/iwuic/"},"source":{"title":"Washoe County Code 100.100.10 Adopted codes","url":"https://library.municode.com/NV/Washoe%20County/codes/code_of_ordinances?nodeId=CH100BUCO_ART100ADCO_100.100.10ADCO","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:mesh-vs-listed-vents:14","anchor":"local-us-nv-clark-mesh-vs-listed-vents-14","place":"Clark County 2024 IWUIC vent mesh","placeId":"us-nv-clark","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Clark County Ordinance 5320 adopts the 2024 IWUIC in its entirety except as specifically amended, and its enumerated changes do not amend Chapter 5. The reviewed adopted-unchanged crosswalk keeps the model prescriptive vent path of noncombustible corrosion-resistant mesh with openings no larger than 1/8 inch for IR1, IR2, and IR3. The 144-square-inch opening limit, vent location, official WUI map, assigned class, and alternative approval remain separate checks.","asOf":"2026-08-27T00:00:00.000Z","object":{"kind":"guide","id":"mesh-vs-listed-vents","title":"Mesh versus listed vents","url":"/guides/mesh-vs-listed-vents/"},"source":{"title":"Clark County Ordinance 5320 Wildland-Urban Interface Code","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-27T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}},{"id":"guide:mesh-vs-listed-vents:15","anchor":"local-us-nv-washoe-mesh-vs-listed-vents-15","place":"Washoe County 2024 IWUIC vent mesh","placeId":"us-nv-washoe","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Washoe County's accepted 2024 Chapter 5 crosswalk keeps the model prescriptive path of noncombustible corrosion-resistant mesh with openings no larger than 1/8 inch in IR1, IR2, and IR3. The official map supplies parcel hazard, while the applicable fire district supplies water and defensible-space conformity before Table 503.1 yields the class. Opening area, vent location, project edition, and official approval remain separate checks.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"mesh-vs-listed-vents","title":"Mesh versus listed vents","url":"/guides/mesh-vs-listed-vents/"},"source":{"title":"Washoe County Wildland Urban Interface Code Guide","url":"https://www.washoecounty.gov/building/Informational_Pages/Wildland_Urban_Interface_Code_Guide.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:nevada-wui-code-status:2","anchor":"local-us-nv-washoe-nevada-wui-code-status-2","place":"Washoe County Building Code Chapter 5","placeId":"us-nv-washoe","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Ordinance 1736 was adopted 10 June 2025 and took effect 1 July 2025. Its current-code row adopts the 2024 IWUIC First Print, Chapter 5. Confirm that the Building Program has authority over the project.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"nevada-wui-code-status","title":"Nevada WUI code status","url":"/guides/nevada-wui-code-status/"},"source":{"title":"History of Adopted Building Codes within Washoe County","url":"https://www.washoecounty.gov/building/Informational_Pages/History_of_Adopted_Building_Codes.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-06-10T00:00:00.000Z"}},{"id":"guide:nevada-wui-code-status:5","anchor":"local-us-nv-washoe-nevada-wui-code-status-5","place":"Washoe County companion fire-code layer","placeId":"us-nv-washoe","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Ordinance 1750, adopted 16 December 2025 and effective 1 January 2026, applies within Truckee Meadows Fire Protection District and other unincorporated areas where the County has fire responsibility. It adopts 2024 IWUIC Chapters 1–4, 6, and 7 and deletes Chapter 5 from that fire-code layer; Chapter 5 building matters are assigned to the building code official.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"nevada-wui-code-status","title":"Nevada WUI code status","url":"/guides/nevada-wui-code-status/"},"source":{"title":"Washoe County Ordinance 1750","url":"https://library.municode.com/nv/washoe_county/ordinances/code_of_ordinances?nodeId=1417368","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-12-16T00:00:00.000Z"}},{"id":"guide:nevada-wui-code-status:4","anchor":"local-us-nv-washoe-nevada-wui-code-status-4","place":"Washoe County parcel-to-IR workflow","placeId":"us-nv-washoe","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"The County's current WUI guide sends an address or APN to the official hazard map, then requires the applicable fire district's water and defensible-space conformity findings before Table 503.1 yields an IR class. This site does not run those project inputs.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"nevada-wui-code-status","title":"Nevada WUI code status","url":"/guides/nevada-wui-code-status/"},"source":{"title":"Washoe County Wildland Urban Interface Code Guide","url":"https://www.washoecounty.gov/building/Informational_Pages/Wildland_Urban_Interface_Code_Guide.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:nevada-wui-code-status:3","anchor":"local-us-nv-washoe-nevada-wui-code-status-3","place":"Washoe County 2024-code transition","placeId":"us-nv-washoe","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Washoe's current adopted-code notice says the 2024 editions are required for submittals on and after 1 January 2026, while permits submitted under the 2018 editions before that date remain under their submitted edition.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"nevada-wui-code-status","title":"Nevada WUI code status","url":"/guides/nevada-wui-code-status/"},"source":{"title":"Washoe County Adopted Building Codes","url":"https://www.washoecounty.gov/building/getting_started/building_codes.php","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:deleting-iwuic-chapter-5:4","anchor":"local-us-nv-clark-deleting-iwuic-chapter-5-4","place":"Clark County IWUIC (2024, Chapter 5 kept)","placeId":"us-nv-clark","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Ordinance 5320 incorporates the 2024 IWUIC in its entirety except as specifically amended. 13.08.070 through 13.08.085 amend Chapters 1, 3, and 4. Chapter 5 is not among those listed amendments. That is the opposite cut from Santa Fe County 9.H.","asOf":"2026-08-25T00:00:00.000Z","object":{"kind":"guide","id":"deleting-iwuic-chapter-5","title":"What deleting IWUIC Chapter 5 actually removes","url":"/guides/deleting-iwuic-chapter-5/"},"source":{"title":"Clark County Ordinance 5320 Wildland-Urban Interface Code","url":"https://weddings.vegas/wp-content/uploads/2026/02/ORD-5320.pdf","publisher":"Clark County, Nevada","sourceType":"official","accessedOn":"2026-08-25T00:00:00.000Z","documentDate":"2025-12-02T00:00:00.000Z"}},{"id":"guide:deleting-iwuic-chapter-5:6","anchor":"local-us-nv-washoe-deleting-iwuic-chapter-5-6","place":"Washoe County split 2024 IWUIC adoption","placeId":"us-nv-washoe","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Washoe County Ordinance 1750 deletes Chapter 5 from its companion fire-code adoption, then assigns Chapter 5 and other building-construction matters to the building code official. The accepted local authority record separately keeps Ordinance 1736's 2024 IWUIC Chapter 5 building-code adoption. The fire-layer deletion does not become a countywide deletion of the building layer; confirm boundary, project edition, and official routing.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"deleting-iwuic-chapter-5","title":"What deleting IWUIC Chapter 5 actually removes","url":"/guides/deleting-iwuic-chapter-5/"},"source":{"title":"Washoe County Ordinance 1750","url":"https://library.municode.com/nv/washoe_county/ordinances/code_of_ordinances?nodeId=1417368","publisher":"Washoe County","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2025-12-16T00:00:00.000Z"}}]},"placeFocusedGuides":[{"id":"clark-county-iwuic-over-nevada","title":"Clark County IWUIC over Nevada’s deleted Chapter 5","url":"/guides/clark-county-iwuic-over-nevada/"},{"id":"nevada-wui-code-status","title":"Nevada WUI code status","url":"/guides/nevada-wui-code-status/"},{"id":"deleting-iwuic-chapter-5","title":"What deleting IWUIC Chapter 5 actually removes","url":"/guides/deleting-iwuic-chapter-5/"}],"findings":[],"plants":{"grain":"state","total":350,"nativeDocumented":0,"invasiveOrNoxiousFlagged":70,"fireResistant":145,"keepAway":36,"conflicts":2,"page":"/grow/nevada/"},"fireEvidencePublicationScope":{"answerGrain":"typed-state-source","sourceCount":2}}