Construction hours in Sammamish, WA — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
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.
Construction noise in Sammamish is governed by SMC 16.05.030, "Hours of construction." Per the City's own guidance, construction is permitted from 7:00 a.m. to 8:00 p.m. on weekdays (Monday through Friday) and from 9:00 a.m. to 6:00 p.m. on Saturdays and on listed holidays; construction is not allowed on Sundays. The holidays on which the reduced Saturday-style hours (or no work) apply include New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, and Christmas Day. The ordinance allows exceptions to be requested from and approved by the City Manager or designee, which is how off-hours utility, paving, or emergency work is authorized. These hour limits apply to active construction activity; separately, any loud and raucous noise that unreasonably interferes with neighboring residential use can still be addressed as a public nuisance under SMC Chapter 8.15. The City routes after-hours and weekend construction-noise complaints to the King County Sheriff's Office 24-hour communications line (206-296-3311) and online reporting, because the Sheriff provides Sammamish's police services and responds while the disturbance is occurring. A verifiable address is required to act on a complaint.
Performing construction outside the SMC 16.05.030 hours - before 7 a.m. or after 8 p.m. on weekdays, outside 9 a.m.-6 p.m. on Saturdays/holidays, or any time on Sundays - is a code violation unless an exception was approved by the City Manager. Complaints are reported to the King County Sheriff non-emergency line; persistent violations can be referred to city code compliance.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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