Landscaping Rules in Coconino County, AZ (2026)
4 rules for unincorporated Coconino County, Arizona.
Verified from official government sources
Tree Trimming
Homeowners can prune and thin their own forest trees, and thinning ponderosa for fire safety is encouraged. Flagstaff protects large trees during development. Public street and right-of-way trees stay under agency control.
Coconino County & Flagstaff Tree Trimming
Some RestrictionsFlagstaff, AZ, Zoning Code § 10-50.90.010(B)(6)
Manage healthy and sustainable forests to reduce fire risk;
Tree Removal & Heritage Trees
On rural forested lots, removing trees for defensible space is generally allowed and encouraged for fire safety. Flagstaff regulates tree removal on development sites through its Resource Protection Standards and a forest-resource survey.
Flagstaff & Coconino County Tree Removal Permits
Some RestrictionsFlagstaff, AZ, Zoning Code § 10-50.90.030(B)(3)(c)
Ponderosa pines with a diameter at breast height (DBH) of 18 inches or more;
Weed Ordinances
Coconino County caps mowed defensible-space grass at 4 inches within 10 to 30 feet of a structure under its Wildland/Urban Interface fire standards, and requires every new subdivision or development that files a landscape plan to identify, eliminate and keep monitoring noxious weeds. Both duties fall under the county's Landscaping chapter, Section 4.4.E.
Coconino County Weed and Grass Height Rules
Some RestrictionsCoconino County Zoning Ordinance § 4.4.E.1.B.v, § 4.4.E.2
B. Zone 2: 10 to 30 feet from buildings, structures, decks, etc... v. Cut grass to a height no greater than 4 inches above ground level. 2. Weed Mitigation. All new subdivisions and developments requiring a landscape plan within the County shall provide for weed mitigation on development sites as outlined in this subsection. A qualified professional shall be consulted to develop effective weed ...
Artificial Turf
Unincorporated Coconino County treats artificial turf as a prohibited landscaping material under its Zoning Ordinance. Fake grass, trees, and plants cannot substitute for live Landscaping on any site required to file a landscape plan. The Community Development Director can approve artificial turf only as a minor accent tied to a genuinely special or unique site condition, not as a lawn replacement.
Coconino County Artificial Turf Landscaping Rules
Significant RestrictionsCoconino County Zoning Ordinance § 4.4.C.2.D
D. The use of artificial trees, shrubs, or plants shall not be permitted as Landscaping. Artificial turf may be approved by the Director if it is a minor feature and the use is based on special and unique situations.
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