Wildfire Zones: Altadena vs Santa Monica
How do wildfire zones rules compare between Altadena, CA and Santa Monica, CA?
Santa Monica 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 →Santa Monica, CA
Los Angeles County
Santa Monica proper has low wildfire risk as a coastal urban city. The city is not in a State Responsibility Area. Some nearby areas in the Santa Monica Mountains are designated VHFHSZ under CalFire mapping.
View full Santa Monica rules →Key Facts Comparison
| Fact | Altadena | Santa Monica |
|---|---|---|
| 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 | - |
| City Risk | - | Low (coastal/urban) |
| SRA | - | Not in State Responsibility Area |
| Mountains | - | Nearby VHFHSZ areas |
| CalFire | - | Maps available for hazard zones |
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.
Santa Monica 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 Santa Monica wildfire areas.
Is my property in a wildfire zone?
Check with Santa Monica fire department or your state wildfire hazard map. Real estate disclosures must include wildfire zone status.
Compare other topics
See how Altadena and Santa Monica compare on other ordinance categories.
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