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Seattle, WA
Noise Ordinance Overview

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Official Decibel Limits

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Residential Day
55dB
Residential Night
45dB

"Limits are based on the Leq during the measurement interval. Nighttime limits are reduced by 10 dBA in residential districts. A 5 dBA reduction applies for pure tone components. Lmax may exceed limits by no more than 15 dBA."

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AI Executive Summary

Gemini AI

Seattle, WA noise ordinances, primarily Seattle Municipal Code Chapter 25.08, prohibit excessive sound to protect public health and welfare. Quiet hours are generally 10 PM to 7 AM on weekdays and 10 PM to 9 AM on weekends/holidays, with lower decibel limits for residential areas at night. Specific rules apply to construction, amplified sound, and animal noise, with penalties up to $500 and potential jail time for violations.

Specific Noise Restrictions

construction

Construction

General construction noise is permitted 7:00 AM - 10:00 PM on weekdays, and 9:00 AM - 10:00 PM on weekends and legal holidays. Impact construction (e.g., pile driving, jackhammers) is limited to 8:00 AM - 5:00 PM on weekdays and 9:00 AM - 5:00 PM on weekends and legal holidays. For multifamily and neighborhood commercial zones, construction hours are 7:00 AM - 7:00 PM on weekdays and 9:00 AM - 7:00 PM on weekends and legal holidays.

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Amplified Sound

Unlawful if plainly audible inside a receiving dwelling unit between 10:00 PM and 7:00 AM from non-residential property. Public disturbance noise from portable or motor vehicle audio equipment is unlawful if clearly heard from 75 feet away in park areas, residential/commercial zones, or near schools/human service facilities.

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Animals

Unlawful for animals to make loud, raucous, frequent, repetitive, or continuous sounds that disturb another, especially if the owner refuses to cease the noise when ordered by an animal control officer. Barking dogs should be reported to the Seattle Animal Shelter.

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Vehicles

Sound from a motor vehicle's sound system is unlawful if clearly heard from 75 feet away. Non-emergency squealing or screeching of tires is unlawful. Decibel limits for vehicles on public highways defer to state law (WAC 173-62-030).

Noise Protection Score

AExcellent

How well does Seattle protect residents from noise?

Decibel Limits25/25

55 dB day / 45 dB night

Quiet Hours25/25

Extensive coverage

Penalties20/25

Strong penalties with escalation

Coverage25/25

4 noise categories regulated

compare_arrowsCompare Another CityScore: 95/100 — Based on dB limits, quiet hours, penalties, and ordinance breadth

Frequently Asked Questions

What are the quiet hours in Seattle, WA?

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Seattle's quiet hours: Weekdays: 10:00 PM to 7:00 AM; Weekends and Legal Holidays: 10:00 PM to 9:00 AM.. During these hours, noise must stay below residential nighttime decibel limits at the property line. Violations can result in fines on the first offense.

What are the noise decibel limits in Seattle?

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Seattle's residential noise limits: 55 dBA dB(A) during the day and 45 dBA dB(A) at night. Commercial zones allow 57-65 dBA (depending on source district). Limits are measured at the receiving property line.

How do I file a noise complaint in Seattle?

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Call the Seattle police non-emergency line at (206) 625-5011. For ongoing violations, contact code enforcement at (206) 615-0808 (SDCI Construction & Inspections Violation Complaint Line). Have the address, noise type, and duration ready. You can request to remain anonymous.

What is the fine for a noise violation in Seattle?

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Seattle's noise violation penalties: Violations can result in a civil infraction with a $250 fine. A second noise violation within 24 hours can lead to criminal charges, with a maximum penalty of up to 180 days in jail and/or a $500 fine. Property owners may be notified for tenant violations.. Fines typically escalate with repeat offenses and may result in misdemeanor charges for chronic violations.

What are the dog barking rules in Seattle?

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Seattle's rules: Unlawful for animals to make loud, raucous, frequent, repetitive, or continuous sounds that disturb another, especially if the owner refuses to cease the noise when ordered by an animal control officer. Barking dogs should be reported to the Seattle Animal Shelter.. To report a barking dog, contact animal control at (206) 386-7387 (Seattle Animal Shelter) or the police non-emergency line.

When can construction work start in Seattle?

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Seattle's construction noise rules: General construction noise is permitted 7:00 AM - 10:00 PM on weekdays, and 9:00 AM - 10:00 PM on weekends and legal holidays. Impact construction (e.g., pile driving, jackhammers) is limited to 8:00 AM - 5:00 PM on weekdays and 9:00 AM - 5:00 PM on weekends and legal holidays. For multifamily and neighborhood commercial zones, construction hours are 7:00 AM - 7:00 PM on weekdays and 9:00 AM - 7:00 PM on weekends and legal holidays.. Violations can be reported to code enforcement, which can issue stop-work orders for unpermitted or off-hours construction.

Are there rules about loud music in Seattle?

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Yes. Seattle's ordinance: Unlawful if plainly audible inside a receiving dwelling unit between 10:00 PM and 7:00 AM from non-residential property. Public disturbance noise from portable or motor vehicle audio equipment is unlawful if clearly heard from 75 feet away in park areas, residential/commercial zones, or near schools/human service facilities.. Music exceeding residential decibel limits or plainly audible across property lines during quiet hours is a citable violation.

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