(a) It is unlawful to make, continue, or cause to be made or continued any loud or raucous noise which:
(1) is offensive to persons in the vicinity thereof;
(2) substantially impairs the peaceable enjoyment of public or private property; or
(3) causes material distress, discomfort, or injury to persons of ordinary sensibilities in the area.
(b) The following acts, among others, are loud and raucous noises, and are unlawful:
(1) the playing of any radio, stereo, phonograph, musical instrument, or similar device in such manner or with such volume so as to be heard at least 50 feet away, or so as to offend persons in the vicinity;
(2) the keeping or harboring of any animal or fowl which emits or makes any noise which by its character, volume or repetition is offensive to persons in the vicinity;
(3) the discharge into open air of the exhaust of any steam or internal combustion engine, whether moveable or stationary, except through a muffler or other device which will effectively prevent the emission of offensive noises therefrom;
(4) the erection, excavation, demolition, alteration or repair of any building or structure in or adjacent to a residential area or hotel between the hours of 9:00 p.m. and 7:00 a.m. on weekdays and between 6:00 p.m. and 7:00 a.m. on weekends after receiving a complaint and warning to stop the noisy activity, except in situations involving the interests of public safety, official government business, or the protection of the subject property;
(5) the creation of any noise in a public place adjacent to a church, school, cemetery, court of law, or other public building which, by its nature, is reasonably calculated to disrupt, interfere with, or disturb the proceedings conducted therein;
(6) the outdoor use of a drum, musical instrument, mechanical loud speaker, or other sound amplification device for the purpose of attracting attention by the creation of noise to any performance, show, sales event, or display of merchandise so as to attract customers to any place of business;
(7) the outdoor use of a mechanical loudspeaker, calliope, mechanically operated piano, organ, musical instrument or other sound amplification or broadcasting equipment, whether stationary or mobile, emitting sound capable of being heard within 100 feet of a private home, apartment building, hotel, or other place of residence;
(8) the demolition, repair, or alteration of a motor vehicle or part thereof in connection with which there is produced any noise which is offensive to inhabitants in the vicinity or which substantially impairs the use of enjoyment of adjacent property;
(9) the use or operation of any device that is equipped on any motor vehicle, designed to aid in the braking, decompression, or deceleration which results in the excessive, loud, unusual or explosive noise from such vehicle.
(c) Exceptions. This section shall not apply to:
(1) an official of federal, state, or local government or to members of the United States armed forces engaged in the performance of official duties;
(2) persons engaged in the present performance or rendition of emergency services;
(3) special events conducted in park or recreation areas pursuant to a special event permit authorized by the Parks Director;
(4) public parades duly permitted;
(5) the use of outdoor sound amplification for outdoor public speeches, ceremonies, political assemblages or paging purposes conducted at a fixed location at least 100 feet from a residential district and the sound was not audible beyond the property line of the premises on which it was located; or
(6) the use of sound amplification, intercom, or paging devices within the interior of a church, school, auditorium, convention center, government building or similar public meeting place.
(Ord. No. 2968, § 2, 10-12-00; Ord. No. 3462, § 2, 7-13-06)