Vacaville, CA Animal Ordinances: Animal Hoarding (2026)

Vacaville handles potential animal-hoarding situations through several overlapping rules rather than a stand-alone hoarding chapter. The numeric backstop is in VMC Title 14 (and reflected in Chapter 6.04): it is unlawful to keep, maintain, board, or harbor more than three dogs or three cats over four months old on any lot in a residential district, and more than six adult rabbits, except where the zoning ordinance specifically authorizes higher counts (commercial kennels, catteries, and certain rural-zoned parcels). When a household exceeds those caps, or when animal numbers create nuisance odors, noise, or insect issues, VMC Chapter 6.20 (Animal Nuisances) authorizes Humane Animal Services and Code Enforcement to investigate; complaints supported by three or more residents in the affected neighborhood trigger an animal-control nuisance investigation. Severe cases - animals lacking food, water, veterinary care, or sanitary conditions - cross into California Penal Code Section 597 (cruelty to animals), a wobbler that can be charged as a misdemeanor or felony. The District Attorney prosecutes; HAS coordinates seizure and care of impounded animals. Statewide, Penal Code Section 597b/597.1 authorizes immediate seizure of animals in danger of imminent injury or death.