Tree Removal & Heritage Trees: Castaic vs Torrance
How do tree removal & heritage trees rules compare between Castaic, CA and Torrance, CA?
Torrance has fewer restrictions than Castaic.
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 →Torrance, CA
Los Angeles County
Torrance requires a permit for any maintenance, trimming, cutting, or removal of street trees under TMC Section 75.1.5. Work must be performed by city-approved contractors at the property owner's expense. Permits valid for 30 days. The Model Water Efficient Landscape Ordinance applies to landscaping projects over 500 sq ft. Hedges limited to 4 feet under TMC 92.13.1.
View full Torrance rules →Key Facts Comparison
| Fact | Castaic | Torrance |
|---|---|---|
| Code | Title 22, Ch. 22.174 | - |
| Protected Size | 8 inches diameter | - |
| Measurement | At 4.5 feet above grade | - |
| Permit From | Regional Planning | - |
| Replacement Ratio | 2:1 minimum | - |
| Street Trees | - | Permit required (TMC 75.1.5) |
| Permit Valid | - | 30 days |
| Hedge Height | - | 4 ft max (TMC 92.13.1) |
| MWELO Threshold | - | 500+ sq ft |
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.
Torrance FAQ
Do I need a permit to remove a tree in Torrance?
Yes, for any street tree. Obtain a permit from Public Works (310-781-6900). Work must be done by a city-approved contractor at your expense.
Can I trim my own street tree in Torrance?
No. All street tree work requires a permit and must be performed by a city-approved professional tree contractor.
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