Alternative annexation methods — Annexation by written consent — Districts authorized to use — Resolution.
RCW 53.04.180
in effect(1) By a majority vote of the commission, and with the written consent of all the owners of the property to be annexed, a port commission of a district that is less than countywide, and that is located in a county with a population of less than ninety thousand and located in either the Interstate 5 or Interstate 90 corridor, may annex, for industrial development or other port district purposes, property contiguous to the district's boundaries and not located within the boundaries of any other port district. (2) The written consent required by subsection (1) of this section must contain a full and correct legal description of the property to be annexed, must include the signature of all owners of the property to be annexed, and must be addressed to and filed with the commission. (3) If the commission approves annexation under this section, it shall do so by resolution and shall file a certified copy of the resolution with the board of county commissioners of the county in which the annexed property is located. Upon the date fixed in the resolution, the area annexed becomes part of the district.
(1) By a majority vote of the commission, and with the written consent of all the owners of the property to be annexed, a port commission of a district that is less than countywide, and that is located in a county with a population of less than ninety thousand and located in either the Interstate 5 or Interstate 90 corridor, may annex, for industrial development or other port district purposes, property contiguous to the district's boundaries and not located within the boundaries of any other port district.
(2) The written consent required by subsection (1) of this section must contain a full and correct legal description of the property to be annexed, must include the signature of all owners of the property to be annexed, and must be addressed to and filed with the commission.
(3) If the commission approves annexation under this section, it shall do so by resolution and shall file a certified copy of the resolution with the board of county commissioners of the county in which the annexed property is located. Upon the date fixed in the resolution, the area annexed becomes part of the district.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=53.04&full=trueFetched: 6/29/2026