Tree trimming on private property is generally unregulated in Fresno County, except for protected oaks and riparian trees. Branches overhanging county roads must be cleared to 15-ft vertical clearance per §15.68.
Property owners may trim non-protected trees on their own property without permit. Oak Tree Preservation provisions apply to valley oak (Quercus lobata) and blue oak (Quercus douglasii) in designated zones; significant pruning of protected oaks requires county approval. Trimming encroaching on neighboring property follows CA common law: owner may trim back to property line without damaging tree health. PG&E handles utility-line clearance under CPUC General Order 95.
Unauthorized significant pruning of protected oaks: up to $1,000 fine plus mitigation. Damage to neighbor's tree through improper trimming: civil liability.
See how Fresno County's tree trimming rules stack up against other locations.
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