Brush Clearance: Brentwood vs Walnut Creek
How do brush clearance rules compare between Brentwood, CA and Walnut Creek, CA?
Brentwood and Walnut Creek have similar restriction levels.
Brentwood, CA
Contra Costa County
California Public Resources Code Section 4291 requires 100 feet of defensible space around structures in State Responsibility Areas and in any CAL FIRE mapped fire hazard severity zone. Portions of eastern Brentwood abutting Mount Diablo foothills and Marsh Creek are mapped, and ECCFPD inspects compliance before fire season each year.
View full Brentwood rules →Walnut Creek, CA
Contra Costa County
Properties in Walnut Creek's Very High Fire Hazard Severity Zone and State Responsibility Area — including the city's eastern hills near Mount Diablo and along the Shell Ridge Open Space — must maintain 100 feet of defensible space under California Public Resources Code Section 4291, with specific Zone 0 (0–5 ft) ember-resistant clearance required under AB 3074.
View full Walnut Creek rules →Key Facts Comparison
| Fact | Brentwood | Walnut Creek |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Brentwood FAQ
Walnut Creek FAQ
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