What are the bike helmet laws in Redwood City?

In the state of California, all bicyclists and e-bike riders under the age of 18 are required to wear a properly fastened bike helmet.

Adults in California are not required to wear a helmet while riding a bicycle, a Class 1 e-bike (which can reach 20 mph and has no throttle), or a Class 2 e-bike (which can reach 20 mph and has a throttle).

For Class 3 e-bikes (which can reach 28 mph), all minors and adults must wear a helmet.