RCW 63.32.040

If the owner of said personal property so sold, or his or her legal representative, shall, at any time within three years after such money shall have been deposited in said police pension fund or the city current expense fund, furnish satisfactory evidence to the police pension fund board or the city treasurer of said city of the ownership of said personal property, he or she shall be entitled to receive from said police pension fund or city current expense fund the amount so deposited therein with interest.