Coconino County zones its huge unincorporated high country, so the county zoning ordinance—not Arizona statute—sets fence heights. No state cap exists; six feet in side and rear yards is typical, lower near the front.
Coconino County Community Development administers a zoning ordinance across unincorporated high-country land around Flagstaff, the pine subdivisions south of town, and rural parcels toward Williams and Page, and that ordinance fixes fence height by yard location—commonly about six feet in side and rear yards and lower near the front. Corner lots must keep a sight-visibility triangle clear so a fence near an intersection cannot blind drivers. No Arizona statute caps residential fence height, so the binding numbers come from the county ordinance and, inside Flagstaff, Sedona, Page, and Williams, each city's own code. Unlike the Phoenix desert, wood and open wire fences are as common here as block walls.
A fence taller than the county ordinance allows, or one blocking a corner sight triangle, draws a Coconino County zoning correction notice. Inside a city, municipal code enforcement applies. HOA limits are enforced in civil court.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Coconino County, AZ
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Coconino County, AZ
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Coconino County, AZ
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Coconino County, AZ
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Coconino County, AZ
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See how Coconino County's height limits rules stack up against other locations.
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