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Marin County e-bike rules

These local rules apply on top of California state e-bike law.

County ordinance · Checked 2026-10-26

Classes: Class 1 and 2 on county paved paths. Class 3 kept off bike paths: roads, bike lanes and park parking lots only.
Trails & paths: Bike speed limit on county paths is 15 mph, and 10 mph on some. E-bikes stay banned on unpaved Open Space District trails.
Age & helmet: Since July 1, 2025: Class 2 riders must be 16+, and helmets are required at every age.
Also: Pilot under AB 1778, county code chapter 15.58.

Local rules change. Check the official source before you ride. This is a summary, not legal advice.

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