Brush Clearance: Oakley vs Walnut Creek
How do brush clearance rules compare between Oakley, CA and Walnut Creek, CA?
Oakley has fewer restrictions than Walnut Creek.
Oakley, CA
Contra Costa County
Properties in Oakley's grassland and Delta-adjacent areas may be required to maintain defensible space under CA Public Resources Code §4291. Zone 1 (0–30 ft from structures): remove dead vegetation and maintain fire-resistant plants. Zone 2 (30–100 ft): reduce fuel density. East Contra Costa Fire Protection District may conduct annual inspections of at-risk properties.
View full Oakley 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 | Oakley | Walnut Creek |
|---|---|---|
| Zone 1 (0–30 ft) | Remove dead vegetation — lean/clean/green | - |
| Zone 2 (30–100 ft) | Reduce shrub and tree density | - |
| State Law | CA Public Resources Code §4291 | - |
| Fire District | East Contra Costa Fire Protection District | - |
| - | - |
Highlighted rows indicate differences between cities.
Oakley FAQ
How much clearance do I need?
100 feet of defensible space if in a fire hazard zone. Two zones with different requirements.
Who inspects?
Oakley fire department or CAL FIRE conducts annual inspections in fire hazard areas.
Walnut Creek FAQ
Compare other topics
See how Oakley and Walnut Creek compare on other ordinance categories.
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