Heritage & Protected Trees: Altadena vs Torrance
How do heritage & protected trees rules compare between Altadena, CA and Torrance, CA?
Torrance has fewer restrictions than Altadena.
Altadena, CA
Los Angeles County
Oak trees ≥36 inches in diameter qualify as Heritage Oaks under LA County Code Chapter 22.174 and receive heightened review. Removal is rarely approved.
View full Altadena rules →Torrance, CA
Los Angeles County
Torrance protects public trees through TMC Chapter 5 (Division 7). The View Equity Ordinance (2017) balances tree preservation with view restoration in hillside areas.
View full Torrance rules →Key Facts Comparison
| Fact | Altadena | Torrance |
|---|---|---|
| Heritage Threshold | ≥36 in DBH | - |
| Code Section | LA County Code Ch. 22.174 | - |
| Replacement Ratio | Up to 4:1 | - |
| Public Trees | - | Protected — permit to alter |
| View Equity | - | 2017 ordinance for hillside |
| Parkway Trees | - | City maintains/owner assists |
| Approved Trees | - | Hillside district tree list |
Highlighted rows indicate differences between cities.
Altadena FAQ
What is a Heritage Oak in Altadena?
Any oak with a trunk 36 inches in diameter or larger under LA County Code Ch. 22.174 — these receive heightened protection.
Torrance FAQ
How is a heritage tree designated?
Based on trunk size (typically 24+ inches), species rarity, age, or historical significance. Residents may nominate trees.
Can I ever remove a heritage tree?
Only with special approval, typically from city council or tree commission. Granted mainly for safety hazards.
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