Wash. Rev. Code § 70.265.060
A public hospital capital facility area may construct, acquire, purchase, maintain, add to, and remodel public hospital capital facilities, and the governing body of the public hospital capital facility area may, by interlocal agreement or otherwise, contract with a county, city, town, or public hospital district to design, administer the construction of, operate, or maintain a public hospital capital facility or other capital health care facility financed pursuant to this chapter. Legal title to public hospital capital facilities or other capital health care facilities acquired or constructed pursuant to this chapter may be transferred, acquired, or held by the public hospital capital facility area or by a county, city, town, or public hospital district in which the facility is located and receives service.
RCW 70.265.060