Currently, there is no state law requiring helmet use. However, some cities and counties do require helmet use with bicycles. Here is a list of those locations and when the laws were enacted.
| Location Name | Who is Affected | Effective Date |
|---|
| Aberdeen |
All ages |
2001 |
| Bainbridge Island |
All ages |
2001 |
| Bremerton |
All ages |
2000 |
| DuPont |
All ages |
2008 |
| Eatonville |
All ages |
1996 |
| Fircrest |
All ages |
1995 |
| Gig Harbor |
All ages |
1996 |
| Kent |
All ages |
1999 |
| King County |
All ages |
1993, 2003 updated to include Seattle |
| Lakewood |
All ages |
1996 |
| Milton |
All ages |
1997 |
| Orting |
Under 17 |
1997 |
Pierce County
(unincorporated) |
All ages |
1994 |
| Port Angeles |
All ages |
1994 |
| Port Orchard |
All ages |
2004 |
| Poulsbo |
Under 18 |
1995 |
| Puyallup |
All ages |
1994 |
| Renton |
All ages |
1999 |
| Spokane |
All ages |
2004 |
| Steilacoom |
All ages |
1995 |
| Tacoma |
All ages |
1994 |
| University Place |
All ages |
1996 |
| Vancouver |
All ages |
2008 |
| All Military Installations |
All ages |
N/A |