Wildfire Zones: Altadena vs Torrance
How do wildfire zones rules compare between Altadena, CA and Torrance, CA?
Torrance has fewer restrictions than Altadena.
Altadena, CA
Los Angeles County
Most of Altadena sits in CalFire-mapped Very High and High Fire Hazard Severity Zones — the January 2025 Eaton Fire destroyed thousands of structures here. Properties in these zones face heightened defensible-space, ember-resistant construction, and disclosure requirements.
View full Altadena rules →Torrance, CA
Los Angeles County
Torrance has limited wildfire risk due to its urban coastal location, but some hillside areas may be in Very High Fire Hazard Severity Zones requiring enhanced standards.
View full Torrance rules →Key Facts Comparison
| Fact | Altadena | Torrance |
|---|---|---|
| Authority | CalFire FHSZ Maps + LA County Title 32 | - |
| Construction Standard | CBC Chapter 7A in VHFHSZ | - |
| Disclosure | AB 38 required pre-2010 homes | - |
| Eaton Fire | January 2025 — Altadena devastated | - |
| Overall Risk | - | Low — urban/coastal city |
| Hillside Areas | - | May be VHFHSZ |
| Building Standards | - | Enhanced for fire zones |
| CalFire Maps | - | Available online |
Highlighted rows indicate differences between cities.
Altadena FAQ
Is Altadena in a fire hazard zone?
Yes — most of Altadena north of Altadena Drive and into the foothills is in CalFire's Very High Fire Hazard Severity Zone, with additional High and Moderate areas mapped in 2024.
Torrance FAQ
How much defensible space do I need?
Typically 30 feet of lean/clean zone and 100 feet of reduced fuel zone around structures in Torrance wildfire areas.
Is my property in a wildfire zone?
Check with Torrance fire department or your state wildfire hazard map. Real estate disclosures must include wildfire zone status.
Compare other topics
See how Altadena and Torrance compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool