Unincorporated Contra Costa County generally allows up to 4 dogs and 4 cats per residential parcel without a kennel permit. Exceeding these limits or operating a boarding/breeding business requires a kennel permit from Animal Services and proper zoning.
Under Contra Costa County Ordinance Code Chapter 416, residential parcels in unincorporated areas can typically house up to 4 dogs over 4 months of age and 4 cats without a kennel permit. Exceeding these limits triggers a kennel-permit requirement, which requires appropriate zoning (usually agricultural or specific conditional-use permits in residential zones), adequate kennel facilities, sanitation, and noise controls. Commercial breeding, boarding, and rescue operations also require kennel permits and business licensing. Home-based 'hobby kennels' for hunting-dog owners or small-scale breeders are sometimes available as a lower-tier permit. Foster homes working with registered 501(c)(3) rescue organizations may be exempt from the numerical limit if they maintain compliant conditions. Excess animals kept without a kennel permit can lead to citation and impoundment. Cat hoarding cases are commonly triggered by Environmental Health referrals for unsanitary conditions. Service and emotional-support animals under ADA/FHA are not counted against pet limits. HOAs may impose stricter pet limits than county code and enforce them privately.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Contra Costa County.
See how other cities in Contra Costa County handle pet limits.
See how El Cerrito's pet limits rules stack up against other locations.
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