Tree trimming on private property is generally unregulated in unincorporated Riverside County except where trees overhang county road right-of-way, block sight distance, or are within utility easements. Heritage and native oak protections apply in designated hillside areas. Trees within 10 feet of chimneys must be trimmed under Public Resources Code §4291.
Routine residential tree trimming is not subject to permit in most of unincorporated Riverside County. Ordinance 461 authorizes Transportation to require trimming of vegetation that encroaches into the road right-of-way, obstructs sight-distance triangles, or interferes with signage. Utility companies (SoCal Edison, Imperial Irrigation District, Anza Electric) trim under CPUC General Order 95 clearance rules regardless of owner preference. Under Public Resources Code §4291 and Ord. 787, WUI property owners must trim tree limbs within 10 feet of chimney outlets, remove dead branches overhanging roofs, and maintain ladder-fuel separation from ground vegetation. Native oak woodlands within Multi-Species Habitat Conservation Plan (MSHCP) areas have protections that may trigger biological review before heavy trimming or removal. In scenic highway corridors, heritage-tree trimming may require advance notice. Neighbors may trim branches overhanging their property up to the property line (California common law), but cannot enter the other owner's property to do so and are liable if the trimming kills the tree.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Riverside County code enforcement directly for current fines, enforcement procedures, and hearing options.
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Side-by-side rule comparisons with other cities in Riverside County.
See how other cities in Riverside County handle tree trimming.
See how Mead Valley's tree trimming rules stack up against other locations.
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