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Brentwood, CA Animal Ordinances: Pet Limits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Household pet cap
5 dogs or cats over 6 months
Dog fancier license threshold
6+ dogs, use permit required
Minimum lot size for license
1 acre
Max density under license
10 dogs per acre
Governing section
BMC §§ 17.670.008(D), 17.670.009

Summary

Brentwood residential properties may keep no more than five dogs or cats over six months old. A household wanting six or more dogs must get a use permit for a dog fancier's license, capped at 10 dogs per acre on at least a one-acre lot, with no odor or nuisance barking beyond the property line.

Dogs and Cats. ... No more than five dogs or cats over the age of six months may be kept in any residential zoning district, with the exception of the following: six or more dogs may be kept in any residential zoning district provided that a use permit is obtained for a dog fancier's license, subject to the requirements of Section 17.670.009. ... A minimum lot size of one acre shall be maintained; ... No more than ten dogs, over the age of six months, per acre shall be allowed. The maximum number of dogs allowed shall be determined through the use permit process;

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4604307; v5 updated 2025-12-09).

Full Breakdown

008(D) sets Brentwood's household pet cap: no more than five dogs or cats over six months old may be kept in any residential zoning district. 009 and comes with its own conditions. The lot must be at least one acre, every dog has to be confined on the premises or exercised under the owner's control, and each dog needs adequate shelter. The kennel cannot generate odor beyond the property line, and the density cap under the license is 10 dogs over six months old per acre, with the planning commission setting the actual maximum allowed through the use permit process itself.

009. 008(B), and larger domestic or exotic animals are governed separately by the Contra Costa County Animal Code that the city has adopted by reference.

Violations & Fines

Keeping more than five dogs or cats without a dog fancier's license is enforced as a zoning violation under Section 1.20.010: a first infraction is punishable by a fine up to $100, a second within a year up to $200, and further violations up to $500, or the city attorney can charge a repeat offense as a misdemeanor carrying up to $1,000 and six months in jail. A licensed dog fancier who breaks any condition risks having the planning commission revoke the license outright after a hearing.

Frequently Asked Questions

How many dogs can I legally own in Brentwood?
Up to five dogs or cats over six months old in any residential zone, per Section 17.670.008(D). Keeping a sixth dog requires a use permit for a dog fancier's license under Section 17.670.009, which comes with a one-acre minimum lot size and a 10-dogs-per-acre cap.
What does a dog fancier's license require?
A use permit under Chapter 17.830, at least a one-acre lot, dogs confined or exercised under the owner's control, adequate shelter, no odor beyond the property, and no nuisance barking under the county noise code. The planning commission can revoke the license for any violation after notice and a hearing.

Sources & Official References

Other rules in Brentwood

All Brentwood rules

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