This is a category page that will eventually include all Arizona laws relating to noise, such as city noise ordinances.

Arizona Noise Laws

Phoenix City Code

23-13. Noises detrimental to life and health or public peace and welfare prohibited.

Noise of such character, intensity or duration as to be detrimental to the life or health of any individual or in disturbance of the public peace and welfare is hereby prohibited.

(Code 1962, § 26-2)
Basically,

Most noises that disturb the public peace are prohibited.

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23-14. Enumeration of loud, disturbing and unnecessary noises; enumeration not exclusive.

The following acts, among others, are declared to be loud, disturbing and unnecessary noises and noises in violation of this article, but this enumeration shall not be deemed to be exclusive, namely:

  1. Blowing horns or signaling devices. The sounding or blowing of any horn or signal device on any automobile, truck, bus, motorcycle or other vehicle while not in motion, except as a danger signal if another vehicle is approaching, apparently out of control, or if in motion only as a danger signal after or as brakes are being applied and deceleration of the vehicle is intended; the creation by means of any such signal device of any unreasonably loud or harsh sound; and the sounding of such device for any unnecessary and unreasonable period of time.
  2. Radios, phonographs, etc. The playing of any radio, phonograph or any other musical instrument in such a manner or with such volume, particularly between the hours of 11:00 p.m. and 7:00 a.m., as to annoy or disturb the quiet, comfort or repose of persons in any office, hospital or in any dwelling, hotel or other type of residence, or of any persons in the vicinity.
  3. Yelling, shouting, etc., on streets. Yelling, shouting, hooting, whistling or singing on the public streets, particularly between the hours of 11:00 p.m. and 7:00 a.m., or at any time or place so as to annoy or disturb the quiet, comfort or repose of persons in any hospital, dwelling, hotel or other type of residence, or of persons in the vicinity.
  4. Pets. The keeping of any animal, bird or fowl which, by causing frequent or long continued noise, shall disturb the comfort or repose of any person in the vicinity.
  5. Use of vehicles. The use of any automobile, truck, bus, motorcycle or other vehicle so out of repair, so loaded or in such manner as to make loud and unnecessary grating, grinding, rattling or other noise.
  6. Blowing whistles. The blowing of any steam whistle attached to any stationary boiler except to give notice of the time to begin or stop work, as a warning of fire or danger or upon request of proper City authorities.
  7. Exhaust discharge. To discharge into the open air the exhaust of any steam engine, stationary internal combustion engine, motor vehicle or motorboat engine, except through a muffler or other device which will effectively prevent loud or explosive noises therefrom; provided, however, that the flying of controlled model airplanes, sailing of model boats or racing of model automobiles, having internal combustion engines not to exceed thirty-five hundredths cubic inch piston displacement, when used in the pursuit of a recreation hobby and at such locations as are under the jurisdiction or control of Parks, Playground and Recreational Board of the City and only at such times as may be designated by the Parks Department shall not be deemed to be within the provisions of this subsection.
  8. Building construction. Construction including erection, excavation, demolition, alteration or repair of any building within 500 feet of any inhabited structure, other than between the hours of 6:00 a.m. and 7:00 p.m. from May 1 to and including September 30 and between the hours of 7:00 a.m. and 7:00 p.m. beginning October 1 to and including April 30 on non-holiday weekdays. Except that the Planning and Development Director may grant a permit to conduct such operations outside listed hours, on weekends, or on holidays: *1
    1. In case of urgent necessity in the interest of public health, safety and welfare. The permit may be granted for a period not to exceed 30 days, while the emergency continues. +1
    2. If the Planning and Development Director should determine that the public health, safety and welfare will not be impaired by the construction within the hours specified herein, and if the Director shall further determine that loss or inconvenience would not result to any party in interest, he may grant permission for such work to be done at times other than specified herein, upon application being made at the time the permit for the work is awarded or during the progress of the work. The permit may be granted for a period exceeding 30 days at the discretion of the Director. +1
  9. Excavation of streets, permit from Street Transportation Department Director. The excavation of streets and highways in any residential district or section, other than [within] the hours specified in Section 23-14(h), except in the case of urgent necessity in the interest of public health, safety and welfare then only with a permit from the Street Transportation Department Director, which permit may be granted for a period not to exceed thirty days, while the emergency continues. If the Street Transportation Department Director should determine that the public health, safety and welfare will not be impaired by the excavation of streets and highways within the hours specified in Section 23-14(h), and if he shall further determine that loss or inconvenience should not result to any party in interest, he may grant permission for such work to be done other than specified in Section 23-14(h), upon application being made at the time the permit for work is awarded or during the progress of work.
  10. Noises near schools, hospitals, churches, etc. The creation of any excessive noise on any street adjacent to any school, institution of learning, church or court while the same is in session, or adjacent to any hospital, which unreasonably interferes with the workings or session thereof; provided, that signs must be displayed in such streets indicating that the same is a school, institution of learning, church, court or hospital.
  11. Loading and unloading operations. The creation of loud and excessive noise in connection with loading or unloading any vehicle or the opening and destruction of bales, boxes, crates and containers.
  12. Noises to attract attention. The use of any drum, loudspeaker or other instrument or device for the purpose of attracting attention by creation of noise to any performance, show or sale of display of merchandise.
  13. Loudspeakers or amplifiers on vehicles. The use of mechanical loudspeakers or amplifiers on automobiles, trucks, buses or other moving or standing vehicles for advertising or other purposes.
  14. OUTDOOR EQUIPMENT OR MACHINERY. THE OUTDOOR USE OF ANY MACHINERY INCLUDING BUT NOT LIMITED TO RESIDENTIAL POOL PUMPS AND RESIDENTIAL POOL PUMP MOTORS WHICH, BY CAUSING FREQUENT OR LONG CONTINUED NOISE, SHALL DISTURB THE COMFORT OR REPOSE OF ANY PERSON IN THE VICINITY.
(Code 1962, § 26-3; Ord. No. G-3119, §§ 1, 2; Ord. No. G-5487, § 4, adopted 3-3-2010, eff. 4-2-2010; Ord. No. G-5590, § 1, adopted 2-23-2011, eff. 3-25-2011; new style in use as of 8-1-2011)
Basically,

There are a few categories that these noises can fall into:

  • Car horns
  • Musical devices
  • Shouting, singing, etc.
  • Pets
  • Vehicles
  • Whistles
  • Exhaust
  • Construction
  • Excavation
  • Noises near schools, hospitals, churches, etc.
  • Loading/unloading
  • Attention-seeking
  • Loudspeakers

Prohibited noises are not necessarily limited to these categories, which are only a general guide.

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23-15 Exemptions.

None of the terms or prohibitions of Sections 23-12 through 23-17 shall apply to or be enforced against:

  1. Any vehicle of the City while engaged upon necessary public business.
  2. Excavations or repairs of bridges, streets or highways by or on behalf of the City or the State, at night, when the public welfare and convenience renders it impossible to perform such work during the day.
  3. The reasonable use of amplifiers or loudspeakers in the course of public addresses which are noncommercial in character, and which amplifiers or loudspeakers are not used in connection with any moving vehicle.
  4. The use of a hand-operated device producing not in excess of seventy decibels of sound, "C" scale, measured a distance of fifty feet from the instrument emanating sound from bicycles, pushcarts, or other vehicles, or from vehicles in connection with the sale or display of merchandise; provided, that such devices or musical systems:
    1. Shall be operated only while the bicycle, pushcart or vehicle is in motion;
    2. Shall play only pleasing melodies; and
    3. Shall not be played between the hours of 1:00 p.m. and 3:00 p.m., and between the hours of 9:00 p.m. and 10:00 a.m.
  5. (Code 1962, § 26-4; Ord. No. G-3581, § 1)

Basically,

These laws don’t apply to some specific cases, including:

  • City vehicles on the job
  • Loudspeakers for noncommercial free speech
  • Hand-operated devices producing sound at less than 70 decibels (but only in specific cases)

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