Glendale, AZ Noise Ordinances: Decibel Limits (2026)

103 folds numeric noise limits into the use-specific standards for General Commercial and Professional Office zoning rather than setting one blanket decibel cap. Community and Neighborhood Shopping Centers must certify, before the City issues a certificate of occupancy, that noise from mechanical equipment does not exceed 55 dBA, described in the Code as the level of a normal speaking voice, measured at the property line. Animal-related uses carry a tighter 45-decibel standard: an Animal Pet Day Care Facility adjacent to a residential or agricultural district must be designed so the average interior sound level does not exceed 45 decibels at any point 50 feet from the exterior walls and roof, backed by a certified statement from a registered architect or engineer, and the building must sit at least 50 feet from the nearest residential or agricultural lot line.

Veterinary Clinics and Emergency Veterinary Hospitals must install noise attenuation walls between suites to keep noise transmission below 45 decibels, alongside odor-control and air-filtration requirements to keep smells contained to the individual suite. These limits are enforced as conditions of the use permit or design review approval for the specific business type rather than as a general nuisance-noise ordinance; a shopping center's certification is a prerequisite to occupancy, while the animal-use standards are building-plan requirements checked before a permit issues. 103.