Lynnwood, WA Noise Ordinances: Construction Hours (2026)
Construction hours in Lynnwood, WA, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- Allowed hours
- 7:00 a.m. to 6:00 p.m. weekdays
- Weekend/night work
- Requires mayor's office approval
- Applies to
- Residential, apartment, hotel, business districts
- Penalty
- Misdemeanor (LMC 10.12.800)
- Approval routed through
- Department of Public Works, LMC 2.44.040
Summary
Lynnwood confines construction noise, including excavation, demolition, alteration or repair of buildings, to 7:00 a.m. to 6:00 p.m. on weekdays in residential, apartment, hotel and business districts. Work outside that window needs prior mayor's-office approval for urgent public-safety necessity, and violations are a misdemeanor.
The erection, including excavation, demolition, alteration or repair of any building, in a residential, apartment, hotel or business district other than between the hours of 7:00 a.m. and 6:00 p.m. on weekdays, except in case of urgent necessity in the interest of public safety and convenience, and then only under approval from the office of the mayor. Said weekend work approval to be submitted to the department of public works for processing as required by LMC 2.44.040;
Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 3512, passed May 26, 2026).
Full Breakdown
300(B)(13) lists construction activity as one of the specific acts the city treats as a noise disturbance when it falls outside the permitted window. on weekdays only, meaning no exempt Saturday or Sunday work. 040. 500, so daytime construction that is unreasonably loud within the permitted hours can still be cited. 700. The provision traces to Ord. 1275 in 1982 and remains part of the chapter's specific-prohibitions list today.
Violations & Fines
A conviction for violating LMC 10.12.300, including its construction-hours clause, is a misdemeanor under LMC 10.12.800. The Lynnwood Police Department enforces noise disturbances citywide, while the development and business services department administers noise from residential, commercial and industrial sources under LMC 10.12.700. After-hours or weekend work requires mayor's-office approval routed through the department of public works per LMC 2.44.040.
Frequently Asked Questions
Can I do construction work on weekends in Lynnwood?
What happens if a contractor works before 7 a.m. in Lynnwood?
Does Lynnwood's construction-hours rule apply outside city limits?
Sources & Official References
Other rules in Lynnwood
How Lynnwood compares: Cities with the Strictest Construction Hours·Compare Lynnwood to another location·View the Washington noise ordinances overview
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Construction Hours in Nearby Cities
How other cities in Snohomish County handle construction hours.