{"id":"us-az-prescott","name":"Prescott","kind":"city","parent":"us-az","license":"CC-BY-4.0","placeNode":"/places/us-az-prescott.json","statePage":"/places/arizona/","record":{"type":"local-code","topics":["construction","fire-access"],"sources":[{"title":"Prescott City Code 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}],"lastVerified":"2026-08-26T00:00:00.000Z"},"applications":[{"id":"iwuic-2024-prescott","title":"Prescott 2024 IWUIC application","instrumentId":"iwuic-2024","placeId":"us-az-prescott","status":"active","geographicScope":"incorporated-boundary","scopeSummary":"Prescott declares its entire incorporated city boundary a WUI, applies its amended 2024 IWUIC there, and uses City predictive modeling and GIS to assign extreme/IR1, high/IR2, or moderate/IR3 construction; boundary, project, risk-class, effective-date, and official checks remain open.","adoptedOn":"2026-05-12T00:00:00.000Z","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-noncombustible-gutters","iwuic-2024-roof-profile-closure","iwuic-2024-roof-valley-flashing","iwuic-2024-vent-mesh","iwuic-2024-prescott-class-3-class-a-roof-assembly","iwuic-2024-prescott-class-3-one-hour-eave"],"requirementCoverage":"complete","requirementCoverageSummary":"All 15 normalized 2024 model material rows were reviewed against Prescott's enumerated amendments; the model Class 3 Class B roof row is replaced, and one source-explicit local eave path is added. This is not full-code normalization, does not normalize ignition-resistant or dimensional-lumber alternatives that lack exact product-field semantics, and does not establish which class 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 City 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 after the City 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 after the City 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 after the City 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 after the City 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 after the City 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 after the City assigns IR1 or IR2 construction.","sourceSections":["504.9","505.9"]},{"requirementId":"iwuic-2024-class-1-noncombustible-eave","scopeKeys":["ignition-resistant-class-1"],"scopeSummary":"This noncombustible eave path applies only after the City 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 after the City 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 after the City assigns IR2 construction.","sourceSections":["505.3"]},{"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 City 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 City 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 City 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 prescriptive vent path applies after the City assigns IR1, IR2, or IR3 construction.","sourceSections":["504.10.2","505.10.2","506.5"]},{"requirementId":"iwuic-2024-prescott-class-3-class-a-roof-assembly","scopeKeys":["ignition-resistant-class-3"],"scopeSummary":"Prescott's local Class A replacement applies only after the City assigns IR3 construction.","sourceSections":["506.2"]},{"requirementId":"iwuic-2024-prescott-class-3-one-hour-eave","scopeKeys":["ignition-resistant-class-3"],"scopeSummary":"This local one-hour eave path applies only after the City assigns IR3 construction.","sourceSections":["506.6"]}],"requirementCrosswalk":[{"modelRequirementId":"iwuic-2024-class-1-2-20-minute-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized Class 1 and 2 exterior-door atom.","sourceSections":["504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-2-class-a-roof-assembly","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott rewrites Section 505.2 but retains the normalized Class A tested-assembly atom for Classes 1 and 2.","sourceSections":["504.2","505.2"]},{"modelRequirementId":"iwuic-2024-class-1-2-multilayered-glazing","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized multilayered-glazing atom.","sourceSections":["504.8","505.8"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-deck","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized noncombustible-appendage atom.","sourceSections":["504.7","505.7"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized noncombustible-door atom.","sourceSections":["504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-exterior-wall","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized noncombustible-wall atom.","sourceSections":["504.5","505.5"]},{"modelRequirementId":"iwuic-2024-class-1-2-solid-core-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized solid-core-door atom.","sourceSections":["504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-noncombustible-eave","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized Class 1 noncombustible-eave atom.","sourceSections":["503.2.1","504.3"]},{"modelRequirementId":"iwuic-2024-class-1-wall-base-protection","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized wall-base atom.","sourceSections":["504.5.1"]},{"modelRequirementId":"iwuic-2024-class-2-solid-eave-enclosure","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized Class 2 solid-eave atom.","sourceSections":["505.3"]},{"modelRequirementId":"iwuic-2024-class-3-class-b-roof-assembly","disposition":"locally-modified","replacementRequirementIds":["iwuic-2024-prescott-class-3-class-a-roof-assembly"],"scopeSummary":"Prescott rewrites Section 506.2 and replaces the model Class 3 Class B minimum with a Class A tested roof assembly.","sourceSections":["506.2"]},{"modelRequirementId":"iwuic-2024-noncombustible-gutters","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized noncombustible gutter-and-downspout atom.","sourceSections":["504.4","505.4","506.4"]},{"modelRequirementId":"iwuic-2024-roof-profile-closure","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's rewritten Class 2 and 3 roof sections retain the normalized roof-profile closure atom.","sourceSections":["504.2","505.2","506.2"]},{"modelRequirementId":"iwuic-2024-roof-valley-flashing","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized valley-flashing atom.","sourceSections":["504.2.1","505.2.1","506.2.1"]},{"modelRequirementId":"iwuic-2024-vent-mesh","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's rewritten Section 506.5 expressly points Class 3 vents to the Class 1 prescriptive or tested paths, retaining the normalized vent atom.","sourceSections":["504.10.2","505.10.2","506.5"]}],"map":{"status":"official-map-required-not-located","summary":"Section 302.1 declares the entire city WUI, but Sections 302.2 and 502 require the City's public GIS and predictive model to assign the parcel's risk severity; the exact current public risk-layer URL was not located.","source":{"title":"Prescott City Code 6-2, Sections 302.1, 302.2, and 502","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},"projectTriggers":[{"summary":"The code applies to construction, alteration, movement, repair, maintenance, and use of buildings, structures, or premises within Prescott's declared citywide WUI, subject to stated exceptions.","sourceSections":["101.2","302.1"],"source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},{"summary":"Additions or alterations that increase the existing footprint by 500 square feet or more must conform as new construction; separate Section 105.3 thresholds and Appendix B vegetation requirements remain part of the project review.","sourceSections":["101.5","105.3"],"source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},{"summary":"Chapter 5 exemptions include specified interior work, additions no larger than 500 square feet, work affecting less than 25 percent of stated exterior areas, listed accessory structures, and maintenance work; the code official determines the project result.","sourceSections":["105.3"],"source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}}],"localAmendments":[{"kind":"modification","section":"6-2-1","summary":"Prescott adopts the 2024 International Wildland-Urban Interface Code by reference through Resolution 2026-1983 and records Ordinance 2026-1943 on May 12, 2026.","source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},{"kind":"modification","section":"302.1–302.2, 502, and 503.1","summary":"Prescott declares the entire city WUI and maps extreme risk to IR1, high risk to IR2, and moderate risk to IR3 through City predictive modeling and GIS.","source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},{"kind":"modification","section":"505.2 and 506.2","summary":"Prescott requires a Class A ASTM E108 or UL 790 roof assembly for both Class 2 and Class 3 construction and retains stated roof-profile closure alternatives.","source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},{"kind":"addition","section":"506.6","summary":"Prescott adds Class 3 eave, soffit, and fascia-back protection paths using ignition-resistant, one-hour, dimensional-lumber, or exterior fire-retardant-treated material alternatives.","source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}}],"supportingSources":[{"title":"Prescott building permits and current code-adoption links","url":"https://prescott-az.gov/permit-center/permit-categories/building-permits/","publisher":"City of Prescott","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":"Prescott City Code 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"},"author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-26T00:00:00.000Z"}],"requirements":[{"id":"iwuic-2024-class-1-noncombustible-eave","instrumentId":"iwuic-2024","shortName":"IWUIC Class 1 noncombustible eave","url":"/requirements/iwuic-2024-class-1-noncombustible-eave/"},{"id":"iwuic-2024-class-1-wall-base-protection","instrumentId":"iwuic-2024","shortName":"IWUIC Class 1 wall-base protection","url":"/requirements/iwuic-2024-class-1-wall-base-protection/"},{"id":"iwuic-2024-class-1-2-20-minute-exterior-door","instrumentId":"iwuic-2024","shortName":"IWUIC Class 1–2 20-minute door","url":"/requirements/iwuic-2024-class-1-2-20-minute-exterior-door/"},{"id":"iwuic-2024-class-1-2-class-a-roof-assembly","instrumentId":"iwuic-2024","shortName":"IWUIC Class 1–2 Class A roof","url":"/requirements/iwuic-2024-class-1-2-class-a-roof-assembly/"},{"id":"iwuic-2024-class-1-2-multilayered-glazing","instrumentId":"iwuic-2024","shortName":"IWUIC Class 1–2 multilayered glazing","url":"/requirements/iwuic-2024-class-1-2-multilayered-glazing/"},{"id":"iwuic-2024-class-1-2-noncombustible-deck","instrumentId":"iwuic-2024","shortName":"IWUIC Class 1–2 noncombustible deck","url":"/requirements/iwuic-2024-class-1-2-noncombustible-deck/"},{"id":"iwuic-2024-class-1-2-noncombustible-exterior-door","instrumentId":"iwuic-2024","shortName":"IWUIC Class 1–2 noncombustible door","url":"/requirements/iwuic-2024-class-1-2-noncombustible-exterior-door/"},{"id":"iwuic-2024-class-1-2-noncombustible-exterior-wall","instrumentId":"iwuic-2024","shortName":"IWUIC Class 1–2 noncombustible wall","url":"/requirements/iwuic-2024-class-1-2-noncombustible-exterior-wall/"},{"id":"iwuic-2024-class-1-2-solid-core-exterior-door","instrumentId":"iwuic-2024","shortName":"IWUIC Class 1–2 solid-core door","url":"/requirements/iwuic-2024-class-1-2-solid-core-exterior-door/"},{"id":"iwuic-2024-class-2-solid-eave-enclosure","instrumentId":"iwuic-2024","shortName":"IWUIC Class 2 solid eave enclosure","url":"/requirements/iwuic-2024-class-2-solid-eave-enclosure/"},{"id":"iwuic-2024-noncombustible-gutters","instrumentId":"iwuic-2024","shortName":"IWUIC noncombustible gutters","url":"/requirements/iwuic-2024-noncombustible-gutters/"},{"id":"iwuic-2024-roof-profile-closure","instrumentId":"iwuic-2024","shortName":"IWUIC roof-profile eave closure","url":"/requirements/iwuic-2024-roof-profile-closure/"},{"id":"iwuic-2024-roof-valley-flashing","instrumentId":"iwuic-2024","shortName":"IWUIC valley flashing","url":"/requirements/iwuic-2024-roof-valley-flashing/"},{"id":"iwuic-2024-vent-mesh","instrumentId":"iwuic-2024","shortName":"IWUIC vent mesh","url":"/requirements/iwuic-2024-vent-mesh/"},{"id":"iwuic-2024-prescott-class-3-class-a-roof-assembly","instrumentId":"iwuic-2024","shortName":"Prescott Class 3 Class A roof","url":"/requirements/iwuic-2024-prescott-class-3-class-a-roof-assembly/"},{"id":"iwuic-2024-prescott-class-3-one-hour-eave","instrumentId":"iwuic-2024","shortName":"Prescott Class 3 one-hour eave","url":"/requirements/iwuic-2024-prescott-class-3-one-hour-eave/"}],"claims":{"exact":[{"id":"guide:arizona-wui-code-status:2","anchor":"local-us-az-prescott-arizona-wui-code-status-2","place":"Prescott 2024 IWUIC (local amendments)","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Prescott 6-2-1 adopts the 2024 IWUIC by reference through Resolution 2026-1983; Ordinance 2026-1943 is recorded May 12, 2026. Section 302 declares the entire city WUI, while Sections 302 and 502 use City GIS and predictive modeling to assign extreme/IR1, high/IR2, or moderate/IR3 construction. This is local, not Arizona statewide, and a ZIP does not establish the parcel result.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"arizona-wui-code-status","title":"Arizona WUI code status","url":"/guides/arizona-wui-code-status/"},"source":{"title":"Prescott City Code 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:covering-vs-assembly:19","anchor":"local-us-az-prescott-covering-vs-assembly-19","place":"Prescott 2024 IWUIC roof assemblies","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Prescott 6-2-1 adopts the 2024 IWUIC by reference. Current Sections 505.2 and 506.2 require Class A roof assemblies tested to ASTM E108 or UL 790 for both Class 2 and Class 3 construction; where a roof profile leaves an eave-end space, the local text requires firestopping or a named mineral-surfaced cap-sheet path. This is assembly language, not Arizona statewide, and the City still assigns the site risk class.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"covering-vs-assembly","title":"Covering versus assembly","url":"/guides/covering-vs-assembly/"},"source":{"title":"Prescott City Code 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:crown-and-shrub-spacing:5","anchor":"local-us-az-prescott-crown-and-shrub-spacing-5","place":"Prescott 2024 IWUIC Appendix B","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Prescott B103.5 applies in the 5-30 foot Intermediate Zone. Clustered shrubs may not exceed 10 feet in combined width or form continuous or privacy rows. Individual plants or groups need horizontal spacing equal to twice the tallest plant, capped at 10 feet, and plants and shrubs under larger trees are removed. B104.4 applies the same structure in the 30-100 foot Expanded Zone but caps required horizontal spacing at 6 feet. B102 and B103 also require tree crowns within 10 feet of a structure to be pruned for 10 feet of clearance and branches pruned 6-10 feet above ground or the lower third of the tree, whichever is less.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"crown-and-shrub-spacing","title":"Crown and shrub spacing","url":"/guides/crown-and-shrub-spacing/"},"source":{"title":"Prescott City Code Chapter 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:fire-apparatus-access:6","anchor":"local-us-az-prescott-fire-apparatus-access-6","place":"Prescott 2024 IWUIC access amendments","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Prescott 403.2.4 requires driveway turnarounds to have an inside turning radius of at least 28 feet and an outside turning radius of at least 52 feet. A driveway connecting to roads at more than one point counts as having a turnaround when every change of direction meets those radii. Section 403.7 limits fire-apparatus access-road grade to 12 percent or to a limit established by the fire code official based on the department's apparatus and the code. Confirm the project geometry and official's determination.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"fire-apparatus-access","title":"Fire apparatus access on the lot","url":"/guides/fire-apparatus-access/"},"source":{"title":"Prescott City Code Chapter 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:how-wui-is-mapped:19","anchor":"local-us-az-prescott-how-wui-is-mapped-19","place":"Prescott 2024 citywide WUI and mapped risk severity","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Prescott 6-2-2 Section 302.1 declares the entire established geographical city limits a WUI. Sections 302.2 and 502 use City predictive modeling and the publicly available GIS to assign risk-severity classifications; Section 503.1 maps extreme to Class 1, high to Class 2, and moderate to Class 3 construction. A citywide WUI declaration is not a ZIP-level risk-class result. Confirm the site and project with the building official.","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":"Prescott City Code 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"standard:iwuic:18","anchor":"local-us-az-prescott-iwuic-18","place":"Prescott 2024 IWUIC (local amendments)","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":"iwuic","claim":"Prescott 6-2-1 adopts the 2024 IWUIC by reference through Resolution 2026-1983; Ordinance 2026-1943 is recorded May 12, 2026. Section 302 declares the entire city WUI. City predictive modeling and GIS assign extreme/IR1, high/IR2, or moderate/IR3 construction. This is local, not Arizona statewide; confirm the project and class with the code official.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"standard","id":"iwuic","title":"International Wildland-Urban Interface Code","url":"/standards/iwuic/"},"source":{"title":"Prescott City Code 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:sprinklers-13d-and-wildfire:6","anchor":"local-us-az-prescott-sprinklers-13d-and-wildfire-6","place":"Prescott 2024 IWUIC sprinkler amendment","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Prescott 602.1 requires an approved automatic sprinkler system in all occupancies in new buildings in accordance with the City of Prescott Fire Code. The published WUI amendment does not identify NFPA 13D in that sentence and does not make the sprinkler an exterior WUI assembly. Confirm the applicable system standard, occupancy, and project scope with the City.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"sprinklers-13d-and-wildfire","title":"NFPA 13D sprinklers and wildfire","url":"/guides/sprinklers-13d-and-wildfire/"},"source":{"title":"Prescott City Code Chapter 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:rural-water-supply:4","anchor":"local-us-az-prescott-rural-water-supply-4","place":"Prescott 2024 IWUIC water-supply amendment","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Prescott deletes IWUIC Section 404 and replaces it with 404.1, requiring an approved water supply capable of supplying the required fire flow for fire protection at premises where facilities, buildings, or portions of buildings are constructed or moved into or within the jurisdiction. The published amendment does not state a tank volume or NFPA 1142 calculation. Confirm the required fire flow and approved supply with the local officials.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"rural-water-supply","title":"Rural firefighting water when there is no hydrant","url":"/guides/rural-water-supply/"},"source":{"title":"Prescott City Code Chapter 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:iwuic-edition-on-the-lot:2","anchor":"local-us-az-prescott-iwuic-edition-on-the-lot-2","place":"Prescott IWUIC (2024)","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Prescott 6-2-1 adopts the 2024 IWUIC by reference through Resolution 2026-1983; Ordinance 2026-1943 is recorded May 12, 2026. Sections 302 and 502 use City predictive modeling and GIS to assign extreme/Class 1, high/Class 2, or moderate/Class 3 construction. Sections 505.2 and 506.2 require Class A roof assemblies for Classes 2 and 3; 506.5 retains the Class 1 vent paths for Class 3; and 506.6 adds Class 3 eave protection. A ZIP does not establish the risk class or project trigger.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"iwuic-edition-on-the-lot","title":"The IWUIC edition on the lot","url":"/guides/iwuic-edition-on-the-lot/"},"source":{"title":"Prescott City Code 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:deleting-iwuic-chapter-5:5","anchor":"local-us-az-prescott-deleting-iwuic-chapter-5-5","place":"Prescott IWUIC (2024, Chapter 5 kept and amended)","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Prescott 6-2-1 adopts the 2024 IWUIC by reference. Section 103.1 assigns implementation and enforcement of Chapter 5 to the Chief Building Official, and the local amendments retain and rewrite construction provisions in Sections 501, 502, 503, 505, and 506. Sections 505.2 and 506.2 require Class A roof assemblies for Classes 2 and 3, while 506.5 and 506.6 retain a Class 3 vent path and add Class 3 eave protection. Chapter 5 is kept, not deleted; the City still determines project applicability and risk class.","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":"Prescott City Code 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:zone-bands:5","anchor":"local-us-az-prescott-zone-bands-5","place":"Prescott 2024 IWUIC Appendix B","placeId":"us-az-prescott","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Prescott Appendix B uses Structure Ignition Zone 1 Immediate at 0-5 feet, Zone 2 Intermediate at 5-30 feet, and Zone 3 Expanded at 30-100 feet. B102 calls for noncombustible hard-surface materials in the Immediate Zone and removes plantings except ignition-resistant vegetation; no new trees may be planted there. The vegetation-management plan applies to projects permitted under the scope of the city's WUI code. Confirm the approved plan and permit scope with the officials administering it.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"zone-bands","title":"Zone 0 versus Zone 1 versus Zone 2","url":"/guides/zone-bands/"},"source":{"title":"Prescott City Code Chapter 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}}],"inherited":[{"id":"guide:ibhs-does-not-replace-code:5","anchor":"local-us-ibhs-does-not-replace-code-5","place":"United States (IBHS program availability)","placeId":"us","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"IBHS’s About page, opened 26 August 2026, lists Wildfire Prepared Home as currently available in Arizona, California, Colorado, Florida, Idaho, Montana, Nevada, New Mexico, Oklahoma, Oregon, Texas, Utah, Washington, and Wyoming. The applicant must be the property owner. Application fee $125 nonrefundable. Designation valid three years with two annual photo reviews. The evaluator documents conditions and does not provide mitigation advice or determine qualification. Homes under active construction are not eligible. Share the certificate with the agent to get ready for that conversation; this page does not quote a premium percentage.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"ibhs-does-not-replace-code","title":"IBHS does not replace adopted code","url":"/guides/ibhs-does-not-replace-code/"},"source":{"title":"About Wildfire Prepared Home","url":"https://wildfireprepared.org/about/","publisher":"Insurance Institute for Business & Home Safety","sourceType":"standard-body","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:no-national-wui-construction-code:1","anchor":"local-us-no-national-wui-construction-code-1","place":"United States (no federal WUI house code)","placeId":"us","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"Executive Order 13728 (18 May 2016) aims to mitigate wildfire risk to Federal buildings in the WUI. USFA’s implementation guidelines, opened 26 August 2026, say new Federal buildings and alterations greater than 5,000 square feet on Federal land in moderate or greater WUI risk should apply the current IWUIC or an equivalent nationally recognized code. The guidelines are advisory and create no homeowner permit. A private house is under the construction book the state or city adopted, if any.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"no-national-wui-construction-code","title":"No national WUI construction code","url":"/guides/no-national-wui-construction-code/"},"source":{"title":"Implementation Guidelines for Executive Order 13728 Wildland-Urban Interface Federal Risk Management","url":"https://www.usfa.fema.gov/downloads/pdf/eo13728_guidelines.pdf","publisher":"U.S. Fire Administration / Mitigation Framework Leadership Group","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2016-05-18T00:00:00.000Z"}},{"id":"guide:ready-gov-wildfire-and-the-house:1","anchor":"local-us-ready-gov-wildfire-and-the-house-1","place":"United States (Ready.gov household wildfire page)","placeId":"us","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"Ready.gov Wildfires, last updated 11 August 2026, tells households to use fire-resistant materials to build, renovate, or repair; find an outdoor water source with a hose that can reach any area of the property; and create a fire-resistant zone free of leaves, debris, or flammable materials for at least 30 feet from the home. Designate a room that can be closed off from outside air and set up a portable air cleaner when smoky conditions exist. Download the FEMA app for National Weather Service alerts. Evacuate when authorities say so. This is household guidance, not adopted WUI construction code.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"ready-gov-wildfire-and-the-house","title":"Ready.gov wildfire and the house","url":"/guides/ready-gov-wildfire-and-the-house/"},"source":{"title":"Wildfires","url":"https://www.ready.gov/wildfires","publisher":"Ready.gov / U.S. Department of Homeland Security","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:usfa-home-ignition-zones:1","anchor":"local-us-usfa-home-ignition-zones-1","place":"United States (USFA three home-ignition zones)","placeId":"us","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"USFA’s 16 December 2024 article says residents can change wildfire outcomes with simple, often low-cost work on the home and landscape. Immediate zone is the home and 0 to 5 feet: clean roofs and gutters, repair missing shingles or tiles, move mulch, flammable plants, leaves, needles, and firewood off exterior walls. Intermediate is 5 to 30 feet: mow lawns and native grasses to four inches, remove ladder fuels, prune trees 6 to 10 feet from the ground. Extended is 30 to 100 feet: clean ground litter, remove dead plants and trees, clear plants and trees from around sheds and out-buildings.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"usfa-home-ignition-zones","title":"USFA home ignition zones","url":"/guides/usfa-home-ignition-zones/"},"source":{"title":"Doing the Little Things Makes a Difference in Wildfire Safety","url":"https://www.usfa.fema.gov/blog/doing-the-little-things-makes-a-difference-in-wildfire-safety/","publisher":"U.S. Fire Administration","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2024-12-16T00:00:00.000Z"}},{"id":"guide:which-high-desert-plants-still-hold-water-in-june:2","anchor":"local-us-az-which-high-desert-plants-still-hold-water-in-june-2","place":"University of Arizona Cooperative Extension AZ1289 (Dec 2011)","placeId":"us-az","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"There are no fireproof plant species. A plant’s moisture content is the most important factor governing its volatility; resin and other factors keep some species flammable even when well watered. Conifers such as pines, firs, spruces, junipers, and Arizona cypress tend to be flammable due to oil and pitch regardless of moisture status. Drought-adapted plants with succulent leaves that store water are named as a fire-resistance trait. Agave parryi is listed VL water, 4,000–8,000 feet. Arctostaphylos uva-ursi is listed M–H water, 7,000–9,000 feet only. Some listed species have higher water requirements given Arizona’s arid climate.","asOf":"2026-08-25T00:00:00.000Z","object":{"kind":"guide","id":"which-high-desert-plants-still-hold-water-in-june","title":"Which high-desert plants still hold water in June","url":"/guides/which-high-desert-plants-still-hold-water-in-june/"},"source":{"title":"FIREWISE Plant Materials for 3,000 ft. and Higher Elevations (AZ1289)","url":"https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az1289.pdf","publisher":"University of Arizona Cooperative Extension","sourceType":"official","accessedOn":"2026-08-25T00:00:00.000Z","documentDate":"2011-12-01T00:00:00.000Z"}},{"id":"guide:usfa-wui-is-not-only-the-west:2","anchor":"local-us-usfa-wui-is-not-only-the-west-2","place":"United States (NASF FY2021 Communities At Risk)","placeId":"us","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"NASF’s FY2021 Communities At Risk report counts 63,661 CAR nationwide. 19,268 (30.3%) were covered by a CWPP or equivalent. 3,267 (5.1%) met NASF’s reduced-risk test (Firewise-or-equivalent, a mitigation ordinance, or high-priority fuels work in a CWPP). By NASF region that year the CAR counts were Northeast-Midwest 10,826, South 43,771, and West 9,064.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"usfa-wui-is-not-only-the-west","title":"WUI is not only the West","url":"/guides/usfa-wui-is-not-only-the-west/"},"source":{"title":"Communities At Risk, Fiscal Year 2021","url":"https://www.stateforesters.org/wp-content/uploads/2022/06/NASF-2021-Communities-At-Risk-Report.pdf","publisher":"National Association of State Foresters","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:usfa-wui-is-not-only-the-west:1","anchor":"local-us-usfa-wui-is-not-only-the-west-1","place":"United States (USFA WUI community count)","placeId":"us","scopeKind":"place","scopeMode":"descendants","scopeRef":null,"claim":"USFA’s WUI page, opened 26 August 2026, states that WUI fires are not only a western-state problem and that more than 60,000 communities in the United States are at risk, citing a National Association of State Foresters PDF. The page names brush, grass, forest, and other outdoor fires as the calls fire departments already run.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"usfa-wui-is-not-only-the-west","title":"WUI is not only the West","url":"/guides/usfa-wui-is-not-only-the-west/"},"source":{"title":"Wildfire and the Wildland Urban Interface (WUI)","url":"https://www.usfa.fema.gov/wui/","publisher":"U.S. Fire Administration","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}}],"elsewhereInState":[{"id":"guide:arizona-wui-code-status:1","anchor":"local-us-az-arizona-wui-code-status-1","place":"Arizona statewide (county option)","placeId":"us-az","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"A.R.S. 11-861 lets a county board adopt building codes by reference. Subsection D lets that board adopt a current wildland-urban interface code after public process. A.R.S. 9-806(A) is the parallel option for a city or town. That is optional, not a statewide IWUIC mandate.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"guide","id":"arizona-wui-code-status","title":"Arizona WUI code status","url":"/guides/arizona-wui-code-status/"},"source":{"title":"A.R.S. 9-806 Wildland-urban interface code","url":"https://www.azleg.gov/ars/9/00806.htm","publisher":"Arizona Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:covering-vs-assembly:14","anchor":"local-us-az-covering-vs-assembly-14","place":"Arizona statewide (county option)","placeId":"us-az","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"A.R.S. 11-861 and 9-806 do not impose a statewide IWUIC Class A roof. A county or a city may adopt a WUI code locally.","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":"A.R.S. 11-861 Adoption of codes by reference","url":"https://www.azleg.gov/ars/11/00861.htm","publisher":"Arizona Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:covering-vs-assembly:20","anchor":"local-us-az-flagstaff-covering-vs-assembly-20","place":"Flagstaff 2006 IWUIC (local amendments)","placeId":"us-az-flagstaff","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Flagstaff 5-02-001-0005 amends 2006 IWUIC 504.2, 505.2, and 506.2 so roofs shall have a noncombustible roof covering, with profile gaps at the eave firestopped. 5-02-001-0001 (effective 1 January 2020) still adopts the 2006 IWUIC. That is covering language, not a 2024 Class A assembly rule.","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":"Flagstaff City Code 5-02-001 Fire Code","url":"https://www.codepublishing.com/AZ/Flagstaff/html0819/Flagstaff05/Flagstaff0502001.html","publisher":"City of Flagstaff","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:covering-vs-assembly:18","anchor":"local-us-az-sedona-covering-vs-assembly-18","place":"Sedona Fire District 2018 IWUIC","placeId":"us-az-sedona","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Sedona Fire District Policy 1333 restates 2018 IWUIC 504.2 so roofs shall have at least a Class A covering or a Class A assembly, with profile gaps at the eave firestopped. The 2018 amendments adopt Chapter 5 as Class 1 only and delete Sections 505 and 506. Confirm with the fire code official.","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":"Policy 1333 Building in the Wildland-Urban Interface","url":"https://www.sedonafire.org/wp-content/uploads/2023/03/1333-Building-in-the-Wildland-Urban-Interface-REV2023-1.pdf","publisher":"Sedona Fire District","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z","documentDate":"2023-03-01T00:00:00.000Z"}},{"id":"guide:fire-apparatus-access:5","anchor":"local-us-az-flagstaff-fire-apparatus-access-5","place":"Flagstaff fire code (2018 IFC local amendments)","placeId":"us-az-flagstaff","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Flagstaff 5-02-001-0005 (effective 1 January 2020) amends IFC 503.2.3 so fire apparatus access roads support a minimum 80,000-pound gross vehicle weight and have an all-weather surface. 503.2.7 limits grade to 10 percent on straight sections and 5 percent side slope on turnarounds and curves. Appendix D102.1 repeats the 80,000-pound load.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"guide","id":"fire-apparatus-access","title":"Fire apparatus access on the lot","url":"/guides/fire-apparatus-access/"},"source":{"title":"Flagstaff City Code 5-02-001 Fire Code","url":"https://www.codepublishing.com/AZ/Flagstaff/html0819/Flagstaff05/Flagstaff0502001.html","publisher":"City of Flagstaff","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:how-wui-is-mapped:20","anchor":"local-us-az-flagstaff-how-wui-is-mapped-20","place":"Flagstaff 2006 IWUIC (local amendments)","placeId":"us-az-flagstaff","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Flagstaff 5-02-001-0005 amends 2006 IWUIC 301.1 so WUI areas are established from named findings of fact, including fuels, weather, historical fire, and tree densities. 5-02-001-0001 still adopts the 2006 IWUIC.","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":"Flagstaff City Code 5-02-001 Fire Code","url":"https://www.codepublishing.com/AZ/Flagstaff/html0819/Flagstaff05/Flagstaff0502001.html","publisher":"City of Flagstaff","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"guide:how-wui-is-mapped:18","anchor":"local-us-az-sedona-how-wui-is-mapped-18","place":"Sedona Fire District 2018 IWUIC","placeId":"us-az-sedona","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Sedona Fire District 2018 IWUIC 302.1 declares the WUI area shown in Appendix B-1. 302.2 records that map for public inspection at the Community Risk Reduction Division and on the district website. Confirm with the fire code official.","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":"Sedona Fire District Amendments to the 2018 IWUIC","url":"https://www.sedonafire.org/wp-content/uploads/2022/11/SFD-2018-Wildland-Urban-Interface-Amendments.pdf","publisher":"Sedona Fire District","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z","documentDate":"2021-12-07T00:00:00.000Z"}},{"id":"standard:iwuic:16","anchor":"local-us-az-iwuic-16","place":"Arizona statewide (county option)","placeId":"us-az","scopeKind":"place","scopeMode":"exact","scopeRef":"iwuic","claim":"A.R.S. 11-861(D) lets a county board adopt a current wildland-urban interface code after public process. A.R.S. 9-806(A) lets a city or town do the same. That is optional, not a statewide IWUIC mandate.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"standard","id":"iwuic","title":"International Wildland-Urban Interface Code","url":"/standards/iwuic/"},"source":{"title":"A.R.S. 11-861 Adoption of codes by reference","url":"https://www.azleg.gov/ars/11/00861.htm","publisher":"Arizona Legislature","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"standard:iwuic:19","anchor":"local-us-az-flagstaff-iwuic-19","place":"Flagstaff 2006 IWUIC (local amendments)","placeId":"us-az-flagstaff","scopeKind":"place","scopeMode":"exact","scopeRef":"iwuic","claim":"Flagstaff 5-02-001-0001, effective 1 January 2020, adopts the 2006 IWUIC and Appendices A through D. That is not the 2024 IWUIC and not a statewide Arizona book.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"standard","id":"iwuic","title":"International Wildland-Urban Interface Code","url":"/standards/iwuic/"},"source":{"title":"Flagstaff City Code 5-02-001 Fire Code","url":"https://www.codepublishing.com/AZ/Flagstaff/html0819/Flagstaff05/Flagstaff0502001.html","publisher":"City of Flagstaff","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}},{"id":"standard:iwuic:17","anchor":"local-us-az-sedona-iwuic-17","place":"Sedona Fire District 2018 IWUIC","placeId":"us-az-sedona","scopeKind":"place","scopeMode":"exact","scopeRef":"iwuic","claim":"Sedona Fire District adopts the 2018 IWUIC as amended. Chapter 5 is adopted as Class 1 construction. Sections 505 and 506 are deleted. That is not the 2024 IWUIC and not Arizona statewide. Confirm with the fire code official.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"standard","id":"iwuic","title":"International Wildland-Urban Interface Code","url":"/standards/iwuic/"},"source":{"title":"Sedona Fire District Amendments to the 2018 IWUIC","url":"https://www.sedonafire.org/wp-content/uploads/2022/11/SFD-2018-Wildland-Urban-Interface-Amendments.pdf","publisher":"Sedona Fire District","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z","documentDate":"2021-12-07T00:00:00.000Z"}},{"id":"guide:no-national-wui-construction-code:2","anchor":"local-us-az-no-national-wui-construction-code-2","place":"Arizona (local adoption is the switch)","placeId":"us-az","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"A.R.S. 11-861(D) says a county board may adopt a current wildland-urban interface code. A.R.S. 9-806(A) separately says a city or town may adopt one. Those local 'may adopt' authorities illustrate why the national model book is not itself the permit rule: confirm which local ordinance and edition, if any, was actually adopted.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"no-national-wui-construction-code","title":"No national WUI construction code","url":"/guides/no-national-wui-construction-code/"},"source":{"title":"A.R.S. 9-806 Wildland-urban interface code","url":"https://www.azleg.gov/ars/9/00806.htm","publisher":"Arizona Legislature","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}},{"id":"guide:iwuic-edition-on-the-lot:3","anchor":"local-us-az-iwuic-edition-on-the-lot-3","place":"Arizona statewide (no IWUIC on the adopted list)","placeId":"us-az","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"A.R.S. 9-806(A) lets a city or town adopt a current wildland-urban interface code. That is optional, not a statewide IWUIC mandate. Flagstaff’s 2006 book and Prescott’s 2024 book are local. Confirm with the building official.","asOf":"2026-08-26T00:00:00.000Z","object":{"kind":"guide","id":"iwuic-edition-on-the-lot","title":"The IWUIC edition on the lot","url":"/guides/iwuic-edition-on-the-lot/"},"source":{"title":"A.R.S. 9-806 Wildland-urban interface code","url":"https://www.azleg.gov/ars/9/00806.htm","publisher":"Arizona Legislature","sourceType":"official","accessedOn":"2026-08-25T00:00:00.000Z"}},{"id":"guide:iwuic-edition-on-the-lot:1","anchor":"local-us-az-flagstaff-iwuic-edition-on-the-lot-1","place":"Flagstaff IWUIC (2006)","placeId":"us-az-flagstaff","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Flagstaff 5-02-001-0001 (effective 1 January 2020) adopts the 2018 IFC and still adopts the IWUIC 2006 Edition with Appendices A–D. The city’s WUI requirements handout (March 2008 adoption) says Class 1 attic vents shall not be located in soffits, eave overhangs, or between rafters at eaves. 5-02-001 IWUIC 504.10 also lets the official approve fascia or soffit vents with 1/8-inch mesh. Confirm with the building official.","asOf":"2026-08-25T00:00:00.000Z","object":{"kind":"guide","id":"iwuic-edition-on-the-lot","title":"The IWUIC edition on the lot","url":"/guides/iwuic-edition-on-the-lot/"},"source":{"title":"Flagstaff City Code 5-02-001 Fire Code","url":"https://www.codepublishing.com/AZ/Flagstaff/html0819/Flagstaff05/Flagstaff0502001.html","publisher":"City of Flagstaff","sourceType":"official","accessedOn":"2026-08-25T00:00:00.000Z"}},{"id":"guide:zone-0-california-oregon-firewise:4","anchor":"local-us-az-flagstaff-zone-0-california-oregon-firewise-4","place":"Flagstaff 2006 IWUIC (local amendments)","placeId":"us-az-flagstaff","scopeKind":"place","scopeMode":"exact","scopeRef":null,"claim":"Flagstaff 5-02-001-0005 amends 2006 IWUIC 603.2 so defensible space on new structures is fuel modification for the entire property or development as prescribed in a vegetation management plan the code official approves. That is not California Zone 0 and not a five-foot hardscape ring by itself.","asOf":"2026-08-24T00:00:00.000Z","object":{"kind":"guide","id":"zone-0-california-oregon-firewise","title":"Zone 0 in California, Oregon, Firewise, and IBHS","url":"/guides/zone-0-california-oregon-firewise/"},"source":{"title":"Flagstaff City Code 5-02-001 Fire Code","url":"https://www.codepublishing.com/AZ/Flagstaff/html0819/Flagstaff05/Flagstaff0502001.html","publisher":"City of Flagstaff","sourceType":"official","accessedOn":"2026-08-24T00:00:00.000Z"}}]},"placeFocusedGuides":[{"id":"iwuic-edition-on-the-lot","title":"The IWUIC edition on the lot","url":"/guides/iwuic-edition-on-the-lot/"},{"id":"deleting-iwuic-chapter-5","title":"What deleting IWUIC Chapter 5 actually removes","url":"/guides/deleting-iwuic-chapter-5/"},{"id":"arizona-wui-code-status","title":"Arizona WUI code status","url":"/guides/arizona-wui-code-status/"},{"id":"no-national-wui-construction-code","title":"No national WUI construction code","url":"/guides/no-national-wui-construction-code/"},{"id":"ready-gov-wildfire-and-the-house","title":"Ready.gov wildfire and the house","url":"/guides/ready-gov-wildfire-and-the-house/"},{"id":"usfa-home-ignition-zones","title":"USFA home ignition zones","url":"/guides/usfa-home-ignition-zones/"},{"id":"which-high-desert-plants-still-hold-water-in-june","title":"Which high-desert plants still hold water in June","url":"/guides/which-high-desert-plants-still-hold-water-in-june/"},{"id":"usfa-wui-is-not-only-the-west","title":"WUI is not only the West","url":"/guides/usfa-wui-is-not-only-the-west/"}],"plants":{"grain":"state-plus-optional-zip-zone","state":"AZ","total":453,"nativeDocumented":0,"invasiveOrNoxiousFlagged":83,"page":"/grow/arizona/"},"page":"/places/arizona/prescott/"}