Maricopa County Code Title VII regulates planting in road rights-of-way. Cities like Phoenix and Scottsdale set their own parkway and median tree standards. Approved species lists, clear-vision triangles, and irrigation rules apply to all street-tree plantings.
Maricopa County Department of Transportation requires permits for any planting in unincorporated road rights-of-way under Title VII Chapter 2. Approved species must tolerate desert conditions and avoid clear-vision triangles 25 feet from intersections. Phoenix's Tree and Shade Master Plan governs city parkway plantings with required species like desert willow, mesquite, and palo verde under City Code Chapter 32B. Scottsdale, Tempe, Mesa, Gilbert, and Chandler each maintain approved street-tree lists. Property owners typically maintain parkway trees fronting their lots, including watering and pruning. Median trees are city-maintained. Removal of mature street trees requires permits from the city forester. ADA sidewalk clearances mandate 7-foot vertical clearance under federal accessibility rules.
Unpermitted parkway tree removal in Phoenix is a civil violation under City Code 32B with fines $250-$2,500 plus replacement costs. Maricopa County right-of-way violations are Class 2 misdemeanors under ARS 11-251.05 with four months jail and $750 fines.
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See how Scottsdale's parkway planting rules stack up against other locations.
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