Tree Removal & Heritage Trees: Altadena vs Santa Clarita
How do tree removal & heritage trees rules compare between Altadena, CA and Santa Clarita, CA?
Santa Clarita has fewer restrictions than Altadena.
Altadena, CA
Los Angeles County
Oak trees (genus Quercus) with a trunk circumference of 25 inches or more (8-inch diameter at 4.5 ft above grade) are protected — removal, damage, or encroachment into the protected zone requires an Oak Tree Permit under LA County Code Chapter 22.174.
View full Altadena rules →Santa Clarita, CA
Los Angeles County
Santa Clarita regulates tree removal on private property, particularly for protected species like oaks. California's Oak Woodland Conservation Act applies. Development projects require tree surveys and may need replacement plantings.
View full Santa Clarita rules →Key Facts Comparison
| Fact | Altadena | Santa Clarita |
|---|---|---|
| Code Section | LA County Code Ch. 22.174 | - |
| Protected Size | ≥8 in DBH / 25 in circumference | - |
| Protected Zone | 5 ft outside dripline | - |
| Replacement | 2:1 typical | - |
| Heritage Oak | ≥36 in diameter | - |
| Oaks | - | Protected under state and local law |
| Development | - | Tree survey and replacement may apply |
| City Trees | - | Permission required |
| Private Property | - | Check for protected species first |
Highlighted rows indicate differences between cities.
Altadena FAQ
Do I need a permit to remove an oak in Altadena?
Yes if the oak is 8 inches in diameter or larger at 4.5 feet above grade — LA County Code Ch. 22.174 (Oak Tree Permits) applies.
Santa Clarita FAQ
Do I need a permit to remove a tree in Santa Clarita?
It depends on the species. Oak trees are protected and may require approval. City trees always need permission. Check with the planning department before removing large trees.
How do I get an oak tree removal permit in Santa Clarita?
Submit a tree removal application to the Planning Division with an arborist's report. The city may require replacement plantings at 2:1 or higher ratios.
What is the fine for removing an oak tree without a permit in Santa Clarita?
Fines can be significant — often calculated based on tree size, species, and appraised value. Violators typically must also pay for replacement trees and restoration.
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