(1) A city or county may designate a geographic area within its jurisdiction as a redevelopment opportunity zone if the zone meets the criteria in this subsection and the city or county adopts a resolution that includes the following determinations and commitments:
(a) At least fifty percent of the upland properties in the zone are brownfield properties whether or not the properties are contiguous;
(b) The upland portions of the zone are comprised entirely of parcels of property either owned by the city or county or whose owner has provided consent in writing to have their property included within the zone;
(c) The cleanup of brownfield properties will be integrated with planning for the future uses of the properties and is consistent with the comprehensive land use plan for the zone; and
(d) The proposed properties lie within the incorporated area of a city or within an urban growth area designated under RCW
36.70A.110.
(2) A port district may designate a redevelopment opportunity zone when:
(a) The port district adopts a resolution that includes the determinations and commitments required under subsection (1)(a), (c), and (d) of this section and (c) of this subsection;
(b) The zone meets the criteria in subsection (1)(a), (c), and (d) of this section; and
(c) The port district either:
(i) Owns in fee all of the upland properties within the zone; or
(ii) Owns in fee at least fifty percent of the upland property in the zone, the owners of other parcels of upland property in the zone have provided consent in writing to have their property included in the zone, and the governing body of the city and county in which the zone lies approves of the designation by resolution.