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Washington e-bike laws

Jump to county & city rules ↓Check your bike's class here →

Statewide rules

E-bike classes allowedClass 1, 2 and 3
Minimum ageUnder 16 may not operate a Class 3
Helmet ruleNo statewide rule found (e-bike rules in RCW 46.61.710 and bicycle rules in 46.61.750 to 46.61.780 have none)
Where you can rideClass 1 and 2: shared-use paths and bike lanes, but local or state agencies may restrict. Class 3: facilities within or adjacent to a highway. Not on shared-use paths unless locally allowed. Not on sidewalks except as part of a bike/ped path or if a local ordinance allows. No e-bikes on natural-surface trails designated nonmotorized unless the managing agency allows.
License / registrationNo driver's license required (RCW 46.20.500). Exempt from moped registration (RCW 46.61.710).

County & city rules

Highlighted counties have local e-bike rules we've checked against an official source. Everywhere else, state law applies. Parks, trails and HOAs can still post their own rules.

Local rules on file State law applies
King County

Tap a county, or pick one below.

PlaceWhat's restrictedWhereSourceChecked
Seattle Parks and RecreationNo Class 3 on park trails; Paved surfaces only at Discovery Park, Schmitz Park and the ArboretumSeattle park trailsOfficial page
King County Parks – regional trailsNo Class 3; 15 mph trail speed limitKing County regional trail systemOfficial page

Seattle Parks and Recreation

Park or trail rule · Checked

Classes
Class 1 and 2 e-bikes are allowed on park roads and multi-use trails, subject to the conditions in SMC 18.12.200 and Policy 7.11.3. Class 3 e-bikes are not allowed on any park trail.
Trails & paths
Seattle park trails
Age & helmet
No Class 3 on park trails; Paved surfaces only at Discovery Park, Schmitz Park and the Arboretum

Source: seattle.gov

King County Parks – regional trails

Park or trail rule · Checked

Classes
Class 1 and 2 e-bikes and e-scooters are allowed on regional trails. Class 3 e-bikes and other motorized vehicles are banned.
Trails & paths
King County regional trail system
Age & helmet
No Class 3; 15 mph trail speed limit

Source: kingcountyfieldnotes.org

Local rules change. Cities, counties and park agencies update their rules often. Check the linked source before you ride.

Sources

This is a summary, not legal advice. Local rules can be stricter; check the sources above.

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