Noise from Specific Sources in Seattle, WA (2026)
1 verified noise from specific sources rules for Seattle, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Construction Equipment Noise
Seattle SMC 25.08 limits construction equipment to 80 dBA measured at the receiving property line, with maximum-noise exemptions during permitted weekday daytime hours. Impact equipment like jackhammers requires noise-reduction measures.
Construction Noise Capped at 80 dBA at the Property Line
Some RestrictionsSeattle Noise Ordinance — Construction and Maintenance Hours (SDCI Noise Code)
Construction and Maintenance Hours — In general, you can do construction work: 7:00 a.m. - 10:00 p.m., weekdays; 9:00 a.m. - 10:00 p.m., weekends and legal holidays. If your construction and maintenance activities are within multifamily and neighborhood commercial zones (Lowrise, Midrise, Highrise, Residential Commercial and Neighborhood Commercial) you can work: 7:00 a.m. - 7:00 p.m., weekdays...
Looking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Seattle city rules.
Noise from Specific Sources in King County →