Sunnyvale allows up to 6 hens on lots under 10,000 sq ft with no roosters. Coops must be set back at least 25 feet from neighboring dwellings under the Municipal Code animal provisions.
Sunnyvale permits small backyard flocks as an accessory use in residential zones. Property owners may keep up to 6 adult hens on standard single-family lots (under 10,000 square feet). Larger lots may qualify for additional birds with planning review. Roosters and crowing male birds are banned citywide due to their noise profile. Chicken coops, runs, and feed storage must be at least 25 feet from any neighboring dwelling and 5 feet from side and rear property lines, with enclosures secured against rats, raccoons, and mesopredators common in Santa Clara County. Slaughtering chickens on residential property is prohibited. Bay Area agricultural health permits are not required for small backyard flocks, but CDFA registration through the Premises ID program is recommended. Larger livestock like goats, pigs, and cattle are not permitted in standard residential zones.
Contact your local code enforcement office for specific penalty information.
Sunnyvale, CA
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