Wildfire Zones: San Jose vs Sunnyvale
How do wildfire zones rules compare between San Jose, CA and Sunnyvale, CA?
Sunnyvale has fewer restrictions than San Jose.
San Jose, CA
Santa Clara County
Cal Fire maps significant portions of eastern and southern San Jose as Very High Fire Hazard Severity Zones, including Alum Rock, East Foothills, Evergreen, Silver Creek, and Almaden Valley rims. Homes in these zones face stricter building codes, defensible space inspections, insurance scrutiny, and AB 38 disclosure requirements on sale.
View full San Jose rules →Sunnyvale, CA
Santa Clara County
Sunnyvale is not located in any Cal Fire Very High Fire Hazard Severity Zone. The city sits on the flat Santa Clara Valley floor without wildland-urban interface areas requiring special fire hardening.
View full Sunnyvale rules →Key Facts Comparison
| Fact | San Jose | Sunnyvale |
|---|---|---|
| - | - | |
| VHFHSZ designation | - | None |
| State Responsibility Area | - | No |
| Geography | - | Flat valley floor |
| Chapter 7A required | - | No |
| Weed abatement applies | - | Yes |
Highlighted rows indicate differences between cities.
San Jose FAQ
Sunnyvale FAQ
Do I need fire-resistant roofing in Sunnyvale?
Class A roofing is required by the California Building Code statewide, but Chapter 7A hardening for WUI zones does not apply here.
Does my insurance consider Sunnyvale a wildfire risk?
Sunnyvale is a low-risk zone, but insurers may still raise rates based on statewide exposure trends.
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