Tree Trimming: Castaic vs Pasadena
How do tree trimming rules compare between Castaic, CA and Pasadena, CA?
Castaic and Pasadena have similar restriction levels.
Castaic, CA
Los Angeles County
Tree trimming in unincorporated LA County is generally unrestricted for private property, except for protected oak trees. Any cutting or pruning of oak trees 8+ inches diameter requires an Oak Tree Permit under Chapter 22.174. Street trees are managed by county public works.
View full Castaic rules →Pasadena, CA
Los Angeles County
Pasadena has a strong urban forestry program. Property owners must maintain trees to provide clearance over sidewalks (8 feet) and streets (14 feet). City-owned street trees are maintained by the Public Works Department.
View full Pasadena rules →Key Facts Comparison
| Fact | Castaic | Pasadena |
|---|---|---|
| Private Trees | Generally no permit needed | - |
| Oak Trees | Permit required for 8+ inch diameter | - |
| Street Trees | County public works manages | - |
| Reference | Chapter 22.174 (Oaks) | - |
| Sidewalk Clearance | - | 8 feet minimum |
| Street Clearance | - | 14 feet minimum |
| City Trees | - | Maintained by Public Works |
| Authorization | - | Required for city tree work |
Highlighted rows indicate differences between cities.
Castaic FAQ
Do I need a permit to trim trees on my property in LA County?
No permit is needed for general trimming of most species. However, oak trees are protected under the Oak Tree Ordinance (Chapter 22.174) and trimming that could harm the tree's health may require a permit. Contact the Department of Regional Planning at (213) 974-6411.
Can I trim my neighbor's tree branches that hang over my property?
Yes. Under California law, you can trim branches that overhang your property line back to the property line. However, you cannot trim in a way that kills the tree or you may be liable for its replacement value.
Who trims trees near power lines?
Utility companies (Southern California Edison, LADWP) have the right and responsibility to trim trees near power lines. Contact your utility provider to request trimming. Do not attempt to trim near power lines yourself.
Pasadena FAQ
Can I trim a tree near my sidewalk?
You must maintain 8 feet of clearance over sidewalks on your private trees. City-owned street trees are maintained by Public Works.
Who trims street trees in Pasadena?
The Public Works Urban Forestry Division maintains city-owned street trees. Contact them for service requests.
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