Noise Ordinances in Bellevue, WA (2026)
6 verified noise ordinances for Bellevue, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Bellevue's noise code sets quiet hours of 10:00 p.m. to 7:00 a.m. on weekdays and 10:00 p.m. to 9:00 a.m. on weekends for residential (Class A EDNA) properties, when routine daytime noise exemptions stop applying and nighttime sound limits tighten under BCC Chapter 9.18.
Bellevue Nighttime Noise Quiet Hours
Some RestrictionsBellevue City Code § 9.18.020(B)
The following sounds, except as provided below, are exempt from the provisions of this chapter at all times if the receiving property is in Class B and Class C EDNAs, and only between the hours of 7:00 a.m. and 10:00 p.m. on weekdays and 9:00 a.m. and 10:00 p.m. on weekends if the receiving property is located in a Class A EDNA:
Construction Hours
Construction noise in Bellevue is exempt from the noise code only between 7:00 a.m. and 8:00 p.m. on weekdays and 8:00 a.m. and 6:00 p.m. on Saturdays; work outside those hours or on Sundays and holidays needs a director-approved construction noise exemption under BCC 9.18.020(C).
Bellevue Construction Noise Hours
Some RestrictionsBellevue City Code § 9.18.020(C)
Sounds created by construction and emanating from construction sites are exempt from the provisions of this chapter between the hours of 7:00 a.m. and 8:00 p.m. on weekdays, and 8:00 a.m. and 6:00 p.m. on Saturdays which are not legal holidays. Sounds emanating from construction sites beyond these exempt hours may only be permitted as follows:
Amplified Music & Outdoor Sound
Running amplified music or sound equipment in Bellevue needs a development-services director permit filed at least a week ahead, limited to set evening hours, capped at four days per week at any one location, and barred if it's plainly audible to a school during class or a hospital.
Bellevue Amplified Sound Permit Rules
Significant RestrictionsBellevue City Code § 9.18.045A(B)
Use of sound amplification equipment may be authorized by the director of the development services department subject to the following criteria: 1. The use of sound amplification equipment may only be allowed between the following hours: a. 8:00 a.m. and 8:00 p.m., Sunday through Thursday; and b. 8:00 a.m. and 10:00 p.m., Friday and Saturday; 2. The use of amplified sound equipment shall not be...
Aircraft Noise
Bellevue's noise ordinance flatly exempts sounds from aircraft in flight, so flight noise over the city, whether from planes bound for SeaTac, Boeing Field, or Renton Municipal, falls outside the chapter's decibel limits and disturbance rules entirely.
Bellevue Aircraft Noise Exemption
Few RestrictionsBellevue City Code § 9.18.020(A)(6)
6. Sounds originating from aircraft in flight;
Decibel Limits
Bellevue caps sound crossing a property line at 55 to 70 dBA depending on the noise source's and receiving property's zone classification (EDNA), with a 10 dBA nighttime cutback for residential areas, under BCC 9.18.030.
Bellevue Maximum Noise Decibel Limits
Some RestrictionsBellevue City Code § 9.18.030(A)-(B)
No person shall cause or permit sound to intrude onto the real property of another person which exceeds the maximum permissible sound levels established by this chapter. The point of measurement shall be at the property boundary of the receiving property or anywhere within.
Vehicle Noise
Bellevue treats a car stereo audible 75 feet away or across a property line as a noise disturbance under Chapter 9.18, punishable by a $250 civil infraction. Engine compression brakes are separately banned on city streets for trucks and truck tractors at any time.
Bellevue Vehicle Stereo and Engine Brake Noise
Some RestrictionsBellevue City Code (BCC) §§ 9.18.040(A)(1), 11.70.140
All noise disturbances, defined in BCC 9.18.015 and not exempt under BCC 9.18.020, are prohibited at all times. The content of the sound will not be considered in determining a violation. The following acts are considered to be noise disturbances, if the noise is clearly audible across a real property boundary, or at least 75 feet from the source: 1. Operating or playing, or permitting the oper...
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