Lake Forest, CA Animal Ordinances: Breed Restrictions (2026)

There is no breed-specific legislation in Lake Forest. The City's Chapter 10.12 addresses 'vicious' and dangerous dogs based on conduct: a person owning or controlling a vicious dog violates the code if, through failure to exercise ordinary care, the dog bites, attacks, wounds, injures or kills a person and the owner knew or should have known of its dangerous nature. No section identifies any breed (such as pit bulls or Rottweilers) for restriction. Animal control is provided under contract by OC Animal Care, which enforces the Orange County Codified Ordinance: OCCO 4-1-23 defines 'potentially dangerous' and 'vicious' dogs and OCCO 4-1-95 governs the declaration process and resulting possession restrictions. These determinations turn on the individual dog's behavior, not its breed. This approach is consistent with California Food and Agricultural Code provisions that prohibit local jurisdictions from declaring a specific dog dangerous or vicious solely on the basis of breed. Owners of a dog formally declared dangerous or vicious may face confinement, signage, leashing, muzzling, insurance, or spay/neuter requirements. Property owners, HOAs, and insurers in Lake Forest's master-planned communities may impose their own private breed rules, but those are not city ordinances.