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Tax assistance:


Our Telephone Information Center is available to answer your calls Monday to Friday from 8:00 a.m. to 5:00 p.m. (except closed Wednesday from 8:00 a.m. to 9:00 a.m.).


Monday, Wednesday, Friday
8:30 am to 4:30 pm PT (Closed 11:30 am to 12:30 pm)
Mailing address

PO Box 47473
Olympia, WA 98504-7473
United States

Location address

1904 Humboldt Street
Bellingham, WA 98225
United States

48.755788, -122.467401


From I-5 southbound

  1. Take exit 254 (Ohio Street/State Street).
  2. Go through the light at State Street.
  3. Take the first right onto Humboldt Street.
  4. Office is located in the second building on the right.

From I-5 northbound

  1. Take exit 254 (Iowa Street/State Street).
  2. Turn left and go through two lights and a stop sign.
  3. Turn left onto Humboldt Street at the second stop sign.
  4. Office is located in the third building on the left.