Defensible Space: Santa Clara vs Sunnyvale
How do defensible space rules compare between Santa Clara, CA and Sunnyvale, CA?
Santa Clara and Sunnyvale have similar restriction levels.
Santa Clara, CA
Santa Clara County
Properties in CalFire State Responsibility Area and Very High Fire Hazard Severity Zones must maintain 100 feet of defensible space under California PRC §4291. Santa Clara County FireSafe Council and CalFire enforce in foothill unincorporated communities like Saratoga Hills, Los Altos Hills, and Mount Hamilton.
View full Santa Clara rules →Sunnyvale, CA
Santa Clara County
Properties in CalFire State Responsibility Area and Very High Fire Hazard Severity Zones must maintain 100 feet of defensible space under California PRC §4291. Santa Clara County FireSafe Council and CalFire enforce in foothill unincorporated communities like Saratoga Hills, Los Altos Hills, and Mount Hamilton.
View full Sunnyvale rules →Key Facts Comparison
| Fact | Santa Clara | Sunnyvale |
|---|---|---|
| Clearance distance | 100 feet around structures | 100 feet around structures |
| Code authority | CA PRC §4291 | CA PRC §4291 |
| Inspector | CalFire CZU and SCCFD | CalFire CZU and SCCFD |
| Inspection cycle | Annual, before peak fire season | Annual, before peak fire season |
| First-offense fine | Up to $500 per violation | Up to $500 per violation |
Highlighted rows indicate differences between cities.
Santa Clara FAQ
Is my Santa Clara County property in a Fire Hazard Severity Zone?
Check the CalFire FHSZ Viewer by address. Most foothill unincorporated areas — Saratoga Hills, Los Altos Hills, Mount Hamilton, New Almaden — fall in Very High zones. Valley flatland parcels typically do not.
Who inspects my parcel — CalFire or county fire?
CalFire CZU inspects State Responsibility Area parcels in unincorporated foothills. Santa Clara County Fire Department covers Local Responsibility Area parcels under its service-area contract with western cities. Both follow PRC §4291 standards.
Can I appeal a clearance notice?
Yes. File written appeal within 15 days to the inspecting agency. Inspectors reinspect, may approve native landscape plans meeting intent, or grant short hardship extensions before force-clearance proceeds.
Sunnyvale FAQ
Is my Santa Clara County property in a Fire Hazard Severity Zone?
Check the CalFire FHSZ Viewer by address. Most foothill unincorporated areas — Saratoga Hills, Los Altos Hills, Mount Hamilton, New Almaden — fall in Very High zones. Valley flatland parcels typically do not.
Who inspects my parcel — CalFire or county fire?
CalFire CZU inspects State Responsibility Area parcels in unincorporated foothills. Santa Clara County Fire Department covers Local Responsibility Area parcels under its service-area contract with western cities. Both follow PRC §4291 standards.
Can I appeal a clearance notice?
Yes. File written appeal within 15 days to the inspecting agency. Inspectors reinspect, may approve native landscape plans meeting intent, or grant short hardship extensions before force-clearance proceeds.
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