City guide · King County, Washington

E-bike Laws and Regulations in Tukwila, Washington

Rules to know

State, county, and city rules that apply in this area.

Washington

Electric bicycle classes, 2026 definition, and access

Washington defines three e-bike classes up to 750 watts, with 2026 amendments excluding devices capable of more than 20 mph under motor power alone and easily configured noncompliant devices. Class 1 and 2 path use is subject to local/state limits; Class 3 is limited to a highway or adjacent path or local authorization. Class 3 sidewalk riding is barred except specified route/authorization cases; Class 3 minimum age is 16. No statewide helmet mandate was verified.

Code
RCW §§ 46.04.169, 46.61.710, 46.20.500; 2026 c.159 Revised Code of Washington
Applies to
statewide
King County

E-bike access, speed, and conduct on County trails and park paths

Class 1 and 2 e-assist bicycles may use regional trails and paved pathways in County parks unless posted otherwise; Class 3 is prohibited on trails and pathways. A 15-mph default applies on regional and backcountry trails; riders must yield to pedestrians and equestrians and use caution and lights at dawn and dusk.

Code
King County Code § 7.12.315; Ord. 19771 § 26 King County e-assist bicycle trail rule
Applies to
countywide

Bikes to compare

Seller-listed specifications are starting points. Confirm the bicycle class and final configuration before riding.

Dual Suspension 26" Fat Tire eBike 1800W 48V Electric Bike for Adult Off-Road

Dual Suspension 26" Fat Tire eBike 1800W 48V Electric Bike for Adult Off-Road

Seller-listed specifications

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20" Fat Tire E-Mountain bike 1500W Peak 48V 15AH Electric Bike for Adults

20" Fat Tire E-Mountain bike 1500W Peak 48V 15AH Electric Bike for Adults

Seller-listed specifications

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QNUT Victor3.0 Mountain Electric Bicycle 1000W Peak Motor 36V 10.4AH Electric Bike 26' Tire All-Terrain Ebike Urban Off-Road Commuter Adult E-Bike

QNUT Victor3.0 Mountain Electric Bicycle 1000W Peak Motor 36V 10.4AH Electric Bike 26' Tire All-Terrain Ebike Urban Off-Road Commuter Adult E-Bike

Seller-listed specifications

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【1 Year Warranty】D3F Electric Bicycle Peak 500W Motor 36V7.8AH Lithium Battery Electric Bike,20mph City E-bike UL2849

【1 Year Warranty】D3F Electric Bicycle Peak 500W Motor 36V7.8AH Lithium Battery Electric Bike,20mph City E-bike UL2849

Seller-listed specifications

View bike details ↗