Washington Revised Code Title 47. Public Highways and Transportation § 47.28.120. Actions for labor and materials--Limitation of action

Any contracting person, firm, or corporation performing any labor or furnishing any materials upon their contract or otherwise for public work or improvement under the direction of the department or any person claiming any right of action upon any such contract with the state of Washington or who claims a cause of action against the state of Washington arising out of any such contract must bring such suit in the proper court in Thurston county before the expiration of one hundred and eighty days from and after the final acceptance and the approval of the final estimate of such work by the department; otherwise the action is forever barred.