City guide · King County, Washington

E-bike Laws and Regulations in Des Moines, 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.

Mars/Mars Plus Folding Electric Bike for Adults-1200W/1800W Peak Motor

Mars/Mars Plus Folding Electric Bike for Adults-1200W/1800W Peak Motor

Seller-listed specifications

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Shengmilo S600 26 inches adult electric mountain bike, 2000W dual motor ebike 7-speed electric bicycle,Fat Tire ebike17.5ah

Shengmilo S600 26 inches adult electric mountain bike, 2000W dual motor ebike 7-speed electric bicycle,Fat Tire ebike17.5ah

Seller-listed specifications

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Electric Bike for Adults,1500W Brushless Motor 48V/31.5Ah Removable Battery Up to 40 Miles, 20"×5" Fat Tire Ebike with Du

Electric Bike for Adults,1500W Brushless Motor 48V/31.5Ah Removable Battery Up to 40 Miles, 20"×5" Fat Tire Ebike with Du

Seller-listed specifications

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IKINGI S6pro 1000W Peak Electric Moped E-Bike | 48V 15Ah Lockable Battery, Full Suspension & 16x4" Fat Tires | 7-Speed All-Terrain Off-Road Electric Bicycle with LCD & IP65 Waterproof

IKINGI S6pro 1000W Peak Electric Moped E-Bike | 48V 15Ah Lockable Battery, Full Suspension & 16x4" Fat Tires | 7-Speed All-Terrain Off-Road Electric Bicycle with LCD & IP65 Waterproof

Seller-listed specifications

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