Building Setbacks & Zoning in Navajo County, AZ (2026)
3 rules for unincorporated Navajo County, Arizona.
Verified from official government sources
Setback Rules
Unincorporated Navajo County sets a uniform 20-foot front and rear yard setback for both Single-Family districts under Section 503, while the side setback splits by lot size: 20 feet on the larger R1-43 lots and 10 feet on the smaller R1-10 lots, per the Development Standards table.
Yard Setbacks by Zone, Unincorporated Navajo County
Some RestrictionsNavajo County Zoning Ordinance § 503
Section 503 – Development Standards R1-43 R1-10 ... Front Yard Setback (Feet) 20 20 Rear Yard Setback (Feet) 20 20 Side Yard Setback (Feet) 20 10
Structure Height Limits
A house in unincorporated Navajo County's R1-43 or R1-10 Single-Family District tops out at 30 feet under Section 503's Development Standards table, the same ceiling that applies in the Multi-Family R districts, while Section 1908 lets specific building features climb higher if the structure sets back an extra foot for every foot over the limit.
Residential Building Height Limit, Navajo County
Some RestrictionsNavajo County Zoning Ordinance § 503; § 1908
Section 503 – Development Standards R1-43 R1-10 ... Maximum Building Height (Feet) 30 30 ... Section 1908 – Additional Height Regulations For any of the below, the building shall be setback one additional foot for each foot of height that is in excess of the height limit of the Zoning District in which the parcel is located. Usage Public Building...
Lot Coverage Limits
In unincorporated Navajo County, Arizona (outside tribal land and the six incorporated towns), the Single-Family Residential zoning districts cap building coverage at 20% of the lot in the R1-43 district and 30% in the R1-10 district under the county's own Development Standards table.
Lot Coverage Limits in Navajo County, AZ
Some RestrictionsNavajo County Zoning Ordinance § 503
Section 503 – Development Standards R1-43 R1-10 ... Maximum Lot Coverage (Percentage) 20 30
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