San Marcos, CA Noise Ordinances: Barking Dogs (2026)

020(b)(6): keeping animals or birds that cause 'frequent or long, continued noise' plainly audible by occupants of an adjacent or neighboring residential property, or audible at 50 feet from a non-residential building or structure, is 'presumed to disturb the comfort or repose of any person' in the vicinity and counts as prima facie evidence of a violation. That presumption shifts the burden to the animal's keeper once a neighbor or officer establishes the noise was audible at the qualifying distance; the keeper does not get the benefit of the doubt.

The subsection carves out one exception: occasional noise from a legally operated kennel, animal hospital, veterinary clinic, humane society or pound is not covered, so licensed animal-care businesses are judged only on unreasonable, not occasional, noise. 030, relying on normal hearing and, where possible, a direct line of sight to the source property before citing. 010, and the barking is also declared a public nuisance the City Attorney may move to abate. 050(c), the property owner, tenant or anyone lawfully in possession of the premises where the animal is kept can be cited jointly with the animal's owner if they knew or should have known the barking was a recurring disturbance, though a non-resident owner must first receive written notice.