Porterville, CA Animal Ordinances: Mandatory Spay/Neuter (2026)

City Code section 5-2.2 makes spaying or neutering the default rule for dogs over four months of age: an owner who has not altered the animal must instead secure an annual unaltered animal license from the Police Department, which administers licensing citywide. To get that license the owner must file an application, pay the fee set by council resolution, and show the dog fits one of four exemptions: a veterinarian confirms spay/neuter would carry a high risk of serious harm or death due to age or infirmity; the dog is a defined competition animal; it is a service animal (assistance, guide, signal, police, or search and rescue dog, or one in training for such use); or it is kept at a licensed city kennel for breeding.

The ordinance's stated purpose, printed in the code itself, is reducing animal population, euthanasia numbers, at-large incidents, and aggressive behavior, and cutting the city's population-management costs. Licensing generally (section 5-2.1) requires every owner of a licensable animal to secure a license within set time limits, with a narrow 30-day exemption for visiting show or exhibition animals carrying proof of current license or rabies vaccination from their home jurisdiction. Enforcement runs through the citywide animal chapter penalty scheme in section 5-7.1: a first administrative citation tops out at $100, a second violation of the same provision within a year at $200, and each further violation within that year at $500, up to three such fines, with the option to charge the violation as a misdemeanor or infraction instead.