Phoenix's Noise Ordinances: The Rules That Matter

Every city handles noise ordinances a little differently. In Phoenix, Arizona, there are 6 distinct rules that residents and property owners should be aware of. Some are stricter than what neighboring cities enforce, and others are more relaxed. Here is what you need to know.

Vehicle Noise

Playing a car radio or amplified stereo loud enough to annoy neighbors is a civil violation in Phoenix, with escalating court-imposed fines starting at fifty dollars.

Key details: Governing section: City Code § 36-73. 1st offense fine: At least $50. 2nd offense fine: At least $100. 3rd+ offense fine: At least $250. Exhaust/muffler rule: City Code § 23-14(g).

First conviction: civil sanction of at least $50. Second conviction: at least $100. Third or subsequent conviction: at least $250, per § 36-73(c).

Amplified Music & Outdoor Sound

Phoenix City Code section 23-14 enumerates amplified-sound nuisances, including playing a radio, phonograph or musical instrument loudly (especially 11 PM-7 AM) and using mechanical loudspeakers or amplifiers on vehicles for advertising, both judged against whether they disturb persons nearby.

Key details: Citation: Phoenix City Code section 23-14 (Nuisances and Noise). Radio/instrument rule: Loud playback, especially 11:00 P.M. - 7:00 A.M.. Vehicle loudspeakers: Prohibited for advertising or other purposes (sections 23-14, 36-73). List is illustrative: Enumeration in 23-14 is not exclusive.

Violations of Chapter 23 are prosecuted by the Phoenix City Prosecutor as misdemeanors under the City Code general-penalty provisions. Amplified gatherings that draw a police response may additionally trigger Loud Party / Event response fees under City Code section 2-22.

Decibel Limits

Special-permit data centers near homes in Phoenix must stay at or below 55 dB(A) daytime and 45 dB(A) at night, measured at the residential property line.

Key details: Daytime limit: 55 dB(A), 7 a.m.–10 p.m.. Nighttime limit: 45 dB(A), 10 p.m.–7 a.m.. Measured at: nearest residential property line. Applies to: special-permit data centers. Enforcement point: site plan and C.O. approval.

Preliminary site plan approval withheld until a noise study confirms compliance; final certificate of occupancy denied if post-construction levels exceed 55 dB(A) day / 45 dB(A) night at the residential property line.

Quiet Hours

Phoenix does not set decibel-keyed citywide quiet hours, but City Code section 23-14 specifically targets the playing of radios, phonographs, and musical instruments between 11:00 p.m. and 7:00 a.m. when the sound disturbs persons nearby, and the general nuisance-noise prohibition in section 23-12 applies at any hour.

Key details: General standard: Phoenix City Code section 23-12 - unreasonably loud, disturbing, unnecessary noise. Radio/music window: 11:00 P.M. - 7:00 A.M. (section 23-14(b)). Loud-party ordinance: City Code section 2-22 (Ord. G-6674). Loud-party fees: $1,000 / $1,500 / $2,000 escalating within 12 months. Non-emergency line: Phoenix Police 602-262-6151.

Loud-party/event response fees under section 2-22 are capped at $1,000 (first incident in a 12-month period), $1,500 (second), and $2,000 (third and subsequent). The fee is waived if a responsible party requested the police response and assists in dispersing the gathering. Chapter 23 nuisance-noise violations are charged separately as misdemeanors.

Barking Dogs

Phoenix City Code section 8-2 makes it unlawful to keep a dog within the city that is in the habit of barking or howling or disturbing the peace and quiet of any person. The City Prosecutor's Office handles enforcement, which generally requires a complainant petition signed by multiple affected neighbors.

Key details: Citation: Phoenix City Code section 8-2 (Barking or howling dogs). Animal nuisance overlap: City Code section 23-14 (frequent or long continued animal noise). Enforcer: Phoenix City Prosecutor's Office (Barking Dog program). Petition signers: At least 3 parties; max 2 per residence. Civil sanction range: $150 - $2,500.

A civil violation of section 8-2 carries a sanction of not less than $150 nor more than $2,500; the City Prosecutor may instead file the matter as a Class 1 misdemeanor, particularly for repeat offenders previously found responsible or guilty under the section.

Construction Hours

Effective May 13, 2025, Arizona state law (A.R.S. section 9-500.52) bars Phoenix from prohibiting permitted general construction between May 1 and October 15 from 5:00 a.m. to 7:00 p.m. weekdays and 7:00 a.m. to 7:00 p.m. Saturday, with concrete pouring allowed one hour earlier. The city investigates only after-hours work outside those state-protected windows.

Key details: State authority: A.R.S. section 9-500.52 (SB 1182, eff. May 13, 2025). Summer window: May 1 - October 15. Weekday hours: 5:00 a.m. - 7:00 p.m.. Saturday hours: 7:00 a.m. - 7:00 p.m.. Concrete: Allowed up to 1 hour before construction hours begin.

Permitted summer construction within the state-protected hours cannot be cited. Work outside the protected days/hours without an Extended Construction Work Hours permit is investigated by Planning and Development on-call inspectors (response within two hours) and is enforceable under the Phoenix Building Construction Code and Chapter 23; non-permit noise complaints route to Phoenix Police non-emergency at 602-262-6151.

The Bottom Line

Phoenix's noise ordinances rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Phoenix is broadly strict or permissive.

These rules come from Phoenix's publicly available municipal code. For complete penalty schedules, exemption details, and answers to common questions, see the individual ordinance pages throughout this guide.