Noise Ordinances in Honolulu County, HI (2026)

Hawaii Administrative Rules, Title 11, Department of Health, Chapter 46 (Community Noise Control), HAR 11-46 (permit conditions for construction activities)

(1) No permit shall allow any construction activities which emit noise in excess of the maximum permissible sound levels for the hours before 7:00 a.m. and after 6:00 p.m. of the same day, Monday through Friday; (2) No permit shall allow any construction activities which emit noise in excess of the maximum permissible sound levels for the hours before 9:00 a.m. and after 6:00 p.m. on Saturday; ...

ROH § 12-2.2

Animal Nuisance...includes but is not limited to any animal, farm animal, or poultry that: (1) Makes noise continuously or incessantly, or both, for a period of 10 minutes or intermittently for one-half hour or more to the disturbance of any person at any time of day or night...; or (2) Barks, whines, howls, crows, cries, or makes any other unreasonable noise as described in § 12-2.4(c) of this...

ROH § 21-5.70-7(a)(1)(A), (a)(3)

(a) General personal services standards. (1) In the apartment mixed-use zoning district: (A) All services involving amplified music or music instruction must be located in a fully enclosed, sound-attenuated structure, and hours of operation are limited to between 6:00 a.m. and 10:00 p.m. ... (3) When the principal entrance is less than 75 feet or its parking area is less than 20 feet from any a...

ROH § 10-1.2(b)(8)

Engage in or conduct any activity that creates any sound, noise or music exceeding 80 dBA sound pressure level taken at a point 10 feet in front of the source for a cumulative time period of at least five minutes when measured with a calibrated American National Standard Institute (ANSI) Type I or Type II sound level meter with weighting set at “A” and response set at “slow” except any activity...

ROH § 15-19.28(a),(c)

(a) A person may not operate a motor vehicle or moped on a public highway or street, unless the motor vehicle or moped is equipped, at all times, with a muffler or mufflers in constant operation and of such length and size or of sufficient capacity for the motor or exhaust system, or both, to prevent the escape of excessive or annoying fumes or smoke, and excessive or unusual noise. ... (c) ......