Mail the completed original hard copy via US Postal Service to:
(May also deliver in person to main courthouse complex drop box at this address.)
Thurston County Board of Equalization
2000 Lakeridge DR SW
Olympia WA 98502-6045
Deliver in person (placing in our drop box if the office is closed) or send by Fed Ex or UPS:
Thurston County Board of Equalization
929 Lakeridge DR SW, Room 117
Olympia WA 98502