Chickens & Livestock: Antioch vs San Ramon
How do chickens & livestock rules compare between Antioch, CA and San Ramon, CA?
Antioch and San Ramon have similar restriction levels.
Antioch, CA
Contra Costa County
Antioch allows backyard chickens in residential zones with limits on quantity (typically 4-6 hens), a prohibition on roosters, coop setback requirements from property lines and dwellings, and sanitary maintenance standards to prevent odor and pest issues.
View full Antioch rules →San Ramon, CA
Contra Costa County
San Ramon permits up to 6 backyard hens on residential lots with coop setback requirements (typically 10-20 feet from property lines and 25+ feet from neighboring dwellings). Roosters are prohibited. Coops must be kept clean to avoid odor and vector nuisance. HOA CC&Rs in master-planned communities frequently ban chickens entirely.
View full San Ramon rules →Key Facts Comparison
| Fact | Antioch | San Ramon |
|---|---|---|
| Typical Limit | 4–6 hens | - |
| Roosters | Prohibited in residential zones | - |
| Coop Setback | 10 ft from lot line, 25 ft from dwellings | - |
| Slaughter | Prohibited on residential lots | - |
| HOA Rules | May be stricter than city | - |
| - | - |
Highlighted rows indicate differences between cities.
Antioch FAQ
Can I keep a rooster in my backyard?
No. Roosters are prohibited in Antioch residential zones due to crowing noise. Only hens are permitted, and only in the limited quantities set by zoning.
Do I need a permit to build a chicken coop?
Small coops under 120 sq ft typically don't require a building permit but must comply with setback requirements. Larger structures require a building permit. Check with Antioch Community Development for specifics.
San Ramon FAQ
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