Breed Restrictions: Brentwood vs Walnut Creek
How do breed restrictions rules compare between Brentwood, CA and Walnut Creek, CA?
Walnut Creek has fewer restrictions than Brentwood.
Brentwood, CA
Contra Costa County
Brentwood enforces Contra Costa County's behavior-based dangerous and vicious dog ordinance through Animal Services. Any dog that bites, attacks, or threatens a person or animal can be declared Potentially Dangerous or Vicious, triggering mandatory containment, muzzle, insurance, and microchip requirements. California law preempts breed-specific bans.
View full Brentwood rules →Walnut Creek, CA
Contra Costa County
Walnut Creek follows California state law, which under Food & Agricultural Code Section 31683 preempts all breed-specific legislation; dangerous dog determinations are based solely on individual behavior, handled through Contra Costa County Animal Services' vicious-dog hearing process.
View full Walnut Creek rules →Key Facts Comparison
| Fact | Brentwood | Walnut Creek |
|---|---|---|
| Authority | Contra Costa Animal Services | - |
| State preemption | CA Food & Ag Code §31683 | - |
| Potentially Dangerous | Secure enclosure + muzzle + insurance | - |
| Vicious | May be destroyed | - |
| Annual fee | ~$100+ | - |
| Breed bans | - | Prohibited by CA F&A Code 31683 |
| Designation basis | - | Individual behavior only |
| Hearing body | - | Contra Costa County Animal Services |
| Liability insurance | - | Typically $100,000 for vicious designation |
| State code | - | CA F&A Code 31601-31683 |
Highlighted rows indicate differences between cities.
Brentwood FAQ
Are pit bulls banned in Brentwood?
No. California Food & Agricultural Code §31683 preempts all breed-specific legislation statewide. No breed is banned; dangerous-dog designations are based on individual behavior only.
What happens if my dog bites someone?
Report the bite immediately to Contra Costa Animal Services. The dog will be quarantined 10 days for rabies observation. Animal Services will investigate and may pursue a Potentially Dangerous or Vicious declaration.
Walnut Creek FAQ
Can Walnut Creek ban pit bulls or any other breed?
No. California Food & Agricultural Code Section 31683 preempts all breed-specific legislation by cities and counties. Dangerous dog rules must be based on individual behavior, not breed.
How is a dog declared dangerous in Walnut Creek?
Contra Costa County Animal Services investigates bite reports and can schedule a vicious dog hearing. After two aggressive incidents in 36 months or one severe attack, the dog may be designated potentially dangerous or vicious with confinement and insurance requirements.
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