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Alameda County, CA Animal Ordinances: Chickens & Livestock (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Permit required
Livestock/poultry in any R district
A-district exemption
Up to 75 poultry or rabbits
Issuing authority
Director of Field Services
Permit term
Up to 3 years
Scope
Unincorporated county areas only

Summary

Unincorporated Alameda County requires an animal fanciers permit to keep poultry, rabbits, or other livestock in residential zones; agricultural-zoned parcels get an exemption up to 75 birds or rabbits.

City-specific rules exist: Fremont, San Leandro, Hayward, Livermore, Berkeley, and Oakland have their own chickens & livestock rules that differ from Alameda County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Any person desiring to keep or maintain, or keeping or maintaining: A. Any commercial fur bearing animals, any poultry, rabbit, goat, cow, sheep, horse, mule, pony or similar livestock on any premises, in all zoning districts, except those districts designated "A" (agriculture)...; or B. More than seventy-five (75) poultry and rabbits...in any zoning district designated "A" (agriculture) shall obtain an animal fanciers permit in accordance with the provisions of this chapter.

Source: Alameda County Code Title 17 — Zoning (Animals)View official code

Full Breakdown

In unincorporated Alameda County, Castro Valley, San Lorenzo, Ashland, Cherryland and similar communities, keeping poultry, rabbits, or other livestock in any R (residential) zoning district requires an animal fanciers permit from the county director of field services (County Code § 5.12.010). On parcels zoned "A" (agricultural) under Title 17, up to 75 poultry or rabbits may be kept without a permit; more triggers the same permit requirement under § 5.12.090. Permits run up to three years, require a clean and sanitary premises, and can be denied, suspended, or revoked for nuisance conditions or cruelty violations. This county code governs only unincorporated territory, it does not apply inside Oakland, Berkeley, or the county's other incorporated cities, each of which sets its own rules.

Violations & Fines

Keeping poultry, rabbits, or livestock without a required animal fanciers permit, or violating permit conditions, can result in permit denial, suspension, revocation, or impoundment of the animals by the director of field services.

Frequently Asked Questions

Do I need a permit to keep chickens in Castro Valley?
Yes. Unincorporated Alameda County requires an animal fanciers permit for poultry kept in any residential zoning district under County Code § 5.12.010.
How many chickens can I keep without a permit?
On land zoned "A" (agricultural), up to 75 poultry or rabbits combined are exempt from the permit requirement under § 5.12.090.

Sources & Official References

Other rules in Alameda County

All Alameda County rules

How Alameda County compares: Best Cities for Backyard Chickens·California rules heatmap·Compare Alameda County to another location·View the California animal ordinances overview

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