Add vehicles to an existing account: Taxis

To add a vehicle to an existing account:

1. Submit all of the following
   • Proof of insurance for each additional vehicle.
   • A photocopy of the vehicle registration for each vehicle added.
   • A check or money order for the For Hire Certificate fee of $55 for each added vehicle (payable to the Department of Revenue).
2. Mail your documents and fee to:
   
   State of Washington
   Business Licensing Service
   PO Box 9034
   Olympia, WA 98507-9034