Noise Ordinances in Sammamish, WA (2026)
10 verified noise ordinances for Sammamish, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Sammamish has no general numeric "quiet hours" curfew in its noise code. SMC Chapter 8.15 bans public-nuisance noise at any time of day rather than between fixed hours. The clearest time limits are on construction (SMC 16.05.030), and Washington's state EDNA rules (WAC 173-60-040) impose a stricter nighttime decibel cap from 10 p.m. to 7 a.m.
Sammamish Quiet Hours
Few RestrictionsConstruction Hours
Sammamish limits construction by SMC 16.05.030: 7:00 a.m. to 8:00 p.m. Monday through Friday, and 9:00 a.m. to 6:00 p.m. on Saturdays and major holidays. No construction is allowed on Sundays. The City Manager may grant exceptions. After-hours work is reported to the King County Sheriff.
Sammamish Construction Hours
Some RestrictionsBarking Dogs
Sammamish does not write its own barking-dog rule; SMC Chapter 11.05 adopts King County Code Title 11 (Animal Control) by reference. Under KCC 11.04.230, an animal that howls, yelps, whines, barks, or makes other oral noises to an unreasonable degree so as to disturb a person or neighborhood is an animal nuisance, enforced by King County Regional Animal Services.
Sammamish Barking Dog Rules
Some RestrictionsLeaf Blower Rules
Sammamish has no leaf-blower-specific ordinance - no gas-blower ban, no separate decibel cap, and no dedicated time-of-day rule for yard equipment. Leaf blowers are governed only by the general public-nuisance standard in SMC 8.15.020, which bars loud and raucous noise that unreasonably interferes with neighboring residential use.
Sammamish Leaf Blower Rules
Few RestrictionsAmplified Music & Events
Sammamish regulates amplified sound through SMC 8.15.020. Audio equipment - radios, speakers, players, whether portable or fixed - operated loud enough to be audible more than 75 feet from the source is a public nuisance. Vehicle public-address and audio systems audible beyond 75 feet are likewise prohibited. Scheduled park/stadium events and permitted festivals and parades are exempt.
Sammamish Amplified Music Rules
Some RestrictionsAircraft Noise
Sammamish cannot regulate aircraft noise - federal law preempts it. The FAA and the federal Airport Noise and Capacity Act of 1990 control aircraft operations, curfews, and flight paths, leaving cities no authority to set airplane noise rules. Sammamish's own ordinance even excludes airplanes from its engine-noise nuisance provision (SMC 8.15.020.A).
Sammamish Aircraft Noise Rules
Few RestrictionsIndustrial Noise
Sammamish is a largely residential city without heavy industry, and SMC 8.15 sets no industrial decibel standard. Industrial/commercial noise affecting homes is governed primarily by Washington's WAC 173-60-040 EDNA limits: 60 dBA from an industrial source to a residential property, dropping to 50 dBA between 10 p.m. and 7 a.m. The general SMC 8.15.020 nuisance rule also applies.
Sammamish Industrial Noise Rules
Some RestrictionsDecibel Limits
Sammamish's own noise code sets no decibel limits. SMC 8.15.020 is a nuisance ordinance using "unreasonably disturbs" and a 75-foot audibility test, not dBA readings. Numeric decibel standards come from Washington state: WAC 173-60-040 caps residential (Class A EDNA) noise at 55 dBA, reduced to 45 dBA between 10 p.m. and 7 a.m.
Sammamish Noise Decibel Limits
Few RestrictionsOutdoor Music
Outdoor music in Sammamish is controlled by SMC 8.15.020's 75-foot audibility rule and the loud-and-raucous nuisance standard. Audio equipment audible more than 75 feet from the source is a public nuisance. Regularly scheduled park or stadium events, community festivals, and permitted parades are expressly exempt, so private outdoor parties face the limit while sanctioned events do not.
Sammamish Outdoor Music Rules
Some RestrictionsVehicle Noise
Sammamish's SMC 8.15.020 makes frequent, repetitive, or continuous engine noise from starting, operating, repairing, or testing motor vehicles a public nuisance, along with repeated horn or siren sounding and vehicle audio audible beyond 75 feet. On public highways, Washington state law controls: RCW 46.37.390 requires working mufflers and bans amplified exhaust, and WAC 173-62 sets dBA limits.
Sammamish Vehicle Noise Rules
Some RestrictionsLooking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Sammamish city rules.
Noise Ordinances in King County →