Tree Protection in Los Angeles County, CA (2026)

7 county-level rules, plus city-specific rules for 19 cities in Los Angeles County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Los Angeles County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Tree Removal Permits

Removing any oak tree 8+ inches in diameter (25+ inches circumference) in unincorporated LA County requires an Oak Tree Permit under Chapter 22.174. The ordinance protects all species of the oak genus. Damage includes burning, toxic substances, trenching, paving, and changing natural grade. Violations: $5-$200 fine and/or up to 50 days jail.

Los Angeles County Tree Removal Permit Rules

Heavy Restrictions

Full ordinance details →Official source ↗

Heritage & Protected Trees

LA County's Oak Tree Permit Ordinance (Chapter 22.174) protects oak trees in unincorporated areas. Heritage oak trees are recognized for their commemorative, horticultural, and historical significance. The ordinance aims to preserve and propagate the oak tree heritage. County forester reviews applications.

Los Angeles County Heritage & Protected Tree Rules

Some Restrictions

Full ordinance details →Official source ↗

Tree Replacement Requirements

The LA County Oak Tree Permit Ordinance encourages replanting and propagation of oak trees. When oak tree removal is approved, replacement planting conditions may be imposed. LA County Planning is updating the ordinance to further encourage planting new oak trees and redesigning projects to preserve existing trees.

Los Angeles County Tree Replacement Requirements

Some Restrictions

Full ordinance details →Official source ↗

Tree Ordinances

Los Angeles County protects significant trees in unincorporated areas through its Oak Tree Ordinance (Title 22, Chapter 22.174) and related regulations. The ordinance requires permits for removal or relocation of oak trees and other protected species. Heritage trees receive enhanced protection. Mitigation including replacement planting is required when removal is approved.

Los Angeles County Tree Protection Ordinance

Heavy Restrictions

Full ordinance details →Official source ↗

Protected Tree Species

LA County Code Title 22.174 (formerly 22.56.2050) protects native oaks with eight inches or larger trunk diameter at breast height. An Oak Tree Permit from Regional Planning is required before pruning more than 25 percent or removing any protected oak.

Oak Tree Protection in Unincorporated LA County

Heavy Restrictions

Full ordinance details →Official source ↗

Parkway Planting

LA County Public Works requires a no-fee permit before planting, removing, or pruning any tree in the parkway strip between sidewalk and curb. Approved species follow the LA County Street Tree Master Plan with separation from utilities and driveways.

Parkway Tree Planting Permits Through DPW

Some Restrictions

Full ordinance details →Official source ↗

Urban Forest Equity

The LA County Community Forest Management Plan and OurCounty Sustainability Plan target a 50 percent canopy increase in low-canopy unincorporated communities by 2045. DPW, Parks, and Public Health prioritize free plantings in Southeast LA and Antelope Valley equity zones.