Tree Removal & Heritage Trees: Castaic vs Santa Monica
How do tree removal & heritage trees rules compare between Castaic, CA and Santa Monica, CA?
Castaic and Santa Monica have similar restriction levels.
Castaic, CA
Los Angeles County
LA County Code Title 22, Chapter 22.174 protects oak trees in unincorporated areas. Removing, damaging, or encroaching on any oak tree 8 inches or more in diameter requires an Oak Tree Permit from the Department of Regional Planning.
View full Castaic rules →Santa Monica, CA
Los Angeles County
Santa Monica Municipal Code Chapter 7.40 (Tree Code) strictly protects public trees. No person may remove, cut, trim, or interfere with any tree on public property without a City permit. The Landmark Tree Program protects exceptional trees on both public and private property. Permits expire in 30 days.
View full Santa Monica rules →Key Facts Comparison
| Fact | Castaic | Santa Monica |
|---|---|---|
| Code | Title 22, Ch. 22.174 | SMMC Ch. 7.40 |
| Protected Size | 8 inches diameter | - |
| Measurement | At 4.5 feet above grade | - |
| Permit From | Regional Planning | - |
| Replacement Ratio | 2:1 minimum | - |
| Public Trees | - | Permit required for any work |
| Permit Duration | - | 30 days |
| Landmark Trees | - | Public + private protection |
Highlighted rows indicate differences between cities.
Castaic FAQ
Do I need a permit to remove an oak tree in unincorporated LA County?
Yes. Any oak tree 8 inches or more in diameter (25 inches circumference) measured at 4.5 feet above grade requires an Oak Tree Permit from the Department of Regional Planning before removal or pruning.
What happens if I remove a protected oak tree without a permit?
Unauthorized removal is a misdemeanor with fines up to $1,000 per tree and/or jail time. You may also be ordered to plant replacement trees at a 10:1 ratio.
Santa Monica FAQ
Can I remove a tree on my property in Santa Monica?
The City generally does not regulate trees on private property. However, trees designated as Landmarks by the Landmarks Commission (which can include private trees) are protected. Trees in Coastal Zone development areas may also require review.
How do I request removal of a public street tree?
Submit a request through the City's 311 system. The Urban Forest Task Force may review the request. Public tree removal requires a permit and is subject to the Tree Code (Chapter 7.40).
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