🔊 Noise Ordinances/Construction Hours

Construction Hours: Kent vs Seattle

How do construction hours rules compare between Kent, WA and Seattle, WA?

Kent and Seattle have similar restriction levels.

Kent, WA

King County

Some Restrictions

Kent permits construction 7 AM to 8 PM under KCC 8.05 exemptions. Construction noise is exempt from the 55 dBA limit only in that window. Sunday work near residential areas is restricted.

View full Kent rules →

Seattle, WA

King County

Some Restrictions

Under SMC 25.08, construction is permitted 7 AM–7 PM on weekdays and 9 AM–7 PM on weekends and legal holidays. Construction noise may not exceed 75 dBA. SDCI enforces; violations may result in stop-work orders.

View full Seattle rules →

Key Facts Comparison

Fact	Kent	Seattle
Allowed Hours	7 AM to 8 PM typical	-
State Exemption Window	7 AM to 10 PM	-
Emergency Work	Exempt 24/7	-
Code	KCC 8.05.100	SMC 25.08
Weekday Hours	-	7 AM–7 PM
Weekend/Holiday Hours	-	9 AM–7 PM
Max dBA	-	75 dBA
Enforcement	-	SDCI, (206) 615-0808; stop-work orders possible

Highlighted rows indicate differences between cities.

Kent FAQ

When can construction start in Kent?

Generally 7 AM under the KCC 8.05 noise exemption. Work outside 7 AM to 10 PM must meet residential dBA limits at the property line.

Can a contractor work on Sunday in Kent?

Only if the noise stays below 55 dBA at any residential receiving property. Typical construction equipment cannot meet that limit.

Seattle FAQ

What are the allowed construction hours in Seattle?

Can construction work happen on weekends in Seattle?

Code: SMC 25.08. Weekday Hours: 7 AM–7 PM. Weekend/Holiday Hours: 9 AM–7 PM. Max dBA: 75 dBA.

Compare other topics

See how Kent and Seattle compare on other ordinance categories.

Quiet Hours Barking Dogs Leaf Blower Rules Amplified Music & Events Aircraft Noise Industrial Noise Decibel Limits Outdoor Music Vehicle Noise

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