Citation(s) from the GunPolicy.org literature library
Giffords Law Center to Prevent Gun Violence. 2021 ‘Safe Storage in Washington.’ Child & Consumer Safety. San Francisco, CA: Giffords Law Center to Prevent Gun Violence. 1 August
Firearm and Ammunition Storage Regulations in Washington
Washington does not require a locking device to accompany the sale of a firearm, although federal law applies, and no state statutes require firearm owners to affirmatively lock their weapons.
State administrative regulations may impose locking device or other safe storage requirements…
[Editor's note: The Giffords Law Center to Prevent Gun Violence regularly updates its webpages with new data as US gun regulation evolves state by state. For the most up-to-date information on US gun laws, please refer to the Giffords URL below]