Buying Land in Coconino County, Arizona

Real zoning -- but confirm your parcel is actually private land first

Coconino County's Zoning Ordinance (current version effective June 20, 2024) and a separate Subdivision Ordinance (adopted May 2019) together govern land use and land division in the unincorporated county, administered by the Planning and Zoning division of Community Development. In the county's AR (Agricultural-Residential) and RR (Rural Residential) zones, the ordinance sets a 1-acre minimum lot size as a baseline, though the Official Zoning Map can and does specify larger minimums for particular areas, in half-acre increments -- so the map designation for a specific parcel, not the ordinance's general baseline, is what actually controls.

The more consequential question for a buyer here often comes before zoning, though: Coconino County is the second-largest county by land area in the contiguous United States (over 18,000 square miles), and a widely cited land-ownership breakdown puts only around 13% of that area in private hands -- with roughly 38% tribal, 32% federal, and 17% state trust land making up the rest. Grand Canyon National Park alone (shared with Mohave County) covers over 1.2 million acres, and national forest land adds substantially more. Before assuming a listed parcel is ordinary private fee land subject to the county zoning ordinance, confirm its actual ownership status -- state trust land requires a lease or public auction process through the Arizona State Land Department rather than a standard private purchase, and tribal land follows the same fee-simple-unavailable pattern documented on other reservation-heavy Arizona county pages in this guide.

A county-specific Wildfire Defense Ordinance -- not a statewide Arizona rule

Arizona has no statewide mandate requiring defensible space or wildfire-hardening construction, leaving it to individual counties and local fire districts to set their own rules. Coconino County has done exactly that: it maintains its own Wildfire Defense Ordinance, most recently updated as Ordinance 2024-01 (adopted March 19, 2024, building on an earlier 2022 version), applying to private property in the unincorporated county, with real Firewise defensible-space specifics and separate fire districts (like Sedona's) layering their own building-code requirements on top. It's a real, currently-enforced local rule -- not boilerplate -- and it comes with a documented, worsening homeowners'-insurance problem for forested parcels, since Arizona has no state FAIR Plan of last resort the way California or Oregon do. See our dedicated building-on-raw-land page for the ordinance specifics and what the insurance picture actually looks like.