There are 2 prorate and fuel tax offices in Washington that provide:
- Prorate and fuel tax (IFTA/IRP) applications.
- Prorate transactions including renewal, adds, increase, and replacements.
- Fuel tax transactions including returns, licenses, and decals.
- Prorate and fuel tax pickup and pay.
- Reinstatements of prorate and fuel tax licenses.
- Dyed diesel transactions.
- Audit record transactions.
- Collections payment services.
Office locations
Olympia
Department of Licensing
405 Black Lake Boulevard SW, Building 2
Olympia, WA 98502-5046
Map and directions
Our offices accept walk-in customers as time permits, but may be limited or unavailable. Schedule an appointment to guarantee a spot.
Appointment hours
8:30 a.m. to 3:30 p.m., Monday through Friday.
Phone
Call us at 360-664-1858.
Our customer call line is open from 9 a.m. to 4 p.m., Monday through Friday.
Make a prorate or fuel tax appointment
Vancouver
Department of Licensing
1301 NE 136th Avenue
Vancouver, WA 98684-0864
Map and directions
Our offices accept walk-in customers as time permits, but may be limited or unavailable. Schedule an appointment to guarantee a spot.
Appointment hours
9 a.m. to 3 p.m., Monday through Friday.
Phone
Call us at 360-664-1858.
Our customer call line is open from 9 a.m. to 4 p.m., Monday through Friday.
Make a prorate or fuel tax appointment
Olympia headquarters
Motor Carrier Services IRP (prorate) or IFTA
callPhone: 360-664-1858 (Monday through Friday, 9 a.m. to 4 p.m.)
mailEmail: MotorCarrierServices@dol.wa.gov
faxFax: 360-570-7829
Send us mail
| IRP (prorate) or IFTA | Fuel tax | |
|---|---|---|
| Mail with payments | Motor Carrier Services PO Box 9048 Olympia, WA 98507-9048 |
Fuel Tax Unit PO Box 9048 Olympia, WA 98507-9048 |
| Mail without payments | Motor Carrier Services PO Box 9228 Olympia, WA 98507-9228 |
Fuel Tax Unit PO Box 9228 Olympia, WA 98507-9228 |
Overnight mailing (FedEx, UPS, USPS)
Prorate and Fuel Tax Program
Department of Licensing
1125 Washington Street
Olympia, WA 98501-2283
State holidays
We will be closed on the following holidays:
New Year's Day
Thursday, January 1, 2026
Memorial Day
Monday, May 25, 2026
Labor Day
Monday, September 7, 2026
Native American Heritage Day
Friday, November 27, 2026
Martin Luther King Day
Monday, January 19, 2026
Juneteenth
Friday, June 19, 2026
Veteran's Day
Wednesday, November 11, 2026
Christmas
Friday, December 25, 2026
President's Day
Monday, February 16, 2026
Independence Day
Friday, July 3, 2026
Thanksgiving
Thursday, November 26, 2026
