Quiet Hours: Not specified for general residential noise, the ordinance focuses on "unreasonable noise" at any time.
Residential Decibel Limit: Noise that a reasonable person of normal sensibilities would find excessive and that can be heard at least 100 feet from the business is considered unreasonable. (Day) / Noise that a reasonable person of normal sensibilities would find excessive and that can be heard at least 100 feet from the business is considered unreasonable. (Night)
Summary: Scottsdale, AZ noise ordinances prohibit unreasonable noise that disturbs the peace, particularly from businesses serving alcohol or offering live entertainment, which face a rebuttable presumption of unreasonableness above 68 dBA in residential areas. The city also enforces a Nuisance Parties and Unlawful Gatherings Ordinance for all residences, including short-term rentals, with escalating fines for violations.