Statewide e-bike law
Washington Regulations
- 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.