Sonora, CA Landscaping Rules: Tree Trimming (2026)
Key Facts
- Defensible Space
- 100 ft around structures
- Branch Clearance
- 6 ft from ground, 10 ft between canopies
- State Law
- CA PRC §4291
- Fire Zones
- SMC Ch. 8.40 (Ordinance 835)
- Street Trees
- Public Works: 209-532-2922
Summary
Tree trimming in Sonora is critical for fire safety under defensible space requirements. Property owners must maintain 100 feet of defensible space under PRC section 4291, including trimming branches 6 feet from ground level and 10 feet between canopies. Public Works handles street tree issues.
4291. (a) A person who owns, leases, controls, operates, or maintains a building or structure in the state responsibility area shall at all times do all of the following: (1) (A) Maintain defensible space of 100 feet from each side and from the front and rear of the structure, but not beyond the property line, except as provided in subparagraph (B). The amount of fuel modification necessary shall consider the flammability of the structure as affected by building material, building standards, location, and type of vegetation. Fuels shall be maintained and spaced in a condition so that a wildfire would be unlikely to ignite the structure. This subparagraph does not apply to single specimens of trees or other vegetation that are well-pruned and maintained so as to effectively manage fuels and
Full Breakdown
California Public Resources Code section 4291 requires property owners to maintain defensible space of 100 feet around structures in fire-prone areas. Zone 1 (0 to 30 feet) requires lean, clean, green landscaping. Zone 2 (30 to 100 feet) requires reducing and removing flammable vegetation. Tree branches must be trimmed to at least 6 feet from the ground and 10 feet from other canopies, chimneys, and roofs. Sonora's Fire Hazard Severity Zones are mapped under SMC Chapter 8.40 (Ordinance 835). The Public Works Department at 209-532-2922 handles street tree issues within the city.
Violations & Fines
Failure to maintain defensible space can result in CAL FIRE enforcement and fines. The city may also enforce under Chapter 8.40.
Frequently Asked Questions
What are the tree trimming requirements in Sonora?
Who handles street tree issues in Sonora?
Is Sonora in a fire hazard zone?
Sources & Official References
Other rules in Sonora
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