Prorate and fuel tax offices

Important information

  • Vehicle and vessel licensing offices can’t perform transactions on Saturday, December 10.
  • Vehicle and vessel online services won’t be available December 7-12 while we update our system.
  • On December 12, 2016, we’ll begin using a new vehicle and vessel computer system.
  • In the days following the launch of our new system, you may experience longer than usual wait times.

Learn more: DOL vehicle licensing system will be down on December 10 for system replacement (

Things to know

Parking will be limited, please go online - From August 22 until late September, we’re doing construction and maintenance on our parking lots. During this time, parking at the Olympia Prorate and Fuel Tax and Professional Licensing Customer Service Field Office will be severely limited. Please do your transactions online using the Taxpayer Access Point if possible.

Customer service field offices


Department of Licensing
405 Black Lake Blvd
Building 2
Olympia, WA 98502
Map and directions

  • Hours: 8:30 a.m. – 4:30 p.m., Monday – Friday


Department of Licensing
1301 NE 136th Ave
Vancouver, WA 98684
Map and directions

  • Phone: 360.260.6396
  • Fax: 360.260.3754
  • Hours: 8:30 a.m.– 4:30 p.m., Monday – Friday

Olympia headquarters

IRP (prorate)

  • Phone: 360.664.1858
  • Fax: 360.570.7829
  • Mail:
    • With payments:
      IRP Unit
      PO Box 3777
      Seattle, WA 98124
    • Without payments:
      IRP Unit
      PO Box 9228
      Olympia, WA 98507-9228

Fuel tax

  • Mail with payments:
    IFTA Unit
    PO Box 3777
    Seattle, WA 98124
  • Mail without payments:
    IFTA Unit
    PO Box 9228
    Olympia, WA 98507-9228
If you need help with Phone Fax
IFTA or dyed diesel user licenses 360.664.1858 360.570.7839
Fuel tax refunds 360.664.1838 360.570.7057
Aircraft distributors, heating oil distributors, motor fuel/special fuel distributors, blenders, exporters, importers, or suppliers 360.664.1852 360.570.7842
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