Washington Revised Code Title 64. Real Property and Conveyances § 64.32.320. New declarations--Accessory dwelling units (Effective until January 1, 2028)

(1) Except a declaration created to protect public health and safety, and ground and surface waters from on-site wastewater, a declaration created after July 23, 2023, and applicable to a property located within an urban growth area may not impose any restriction or prohibition on the construction, development, or use on a lot of an accessory dwelling unit that the city or county in which the urban growth area is located would be prohibited from imposing under RCW 36.70A.681.

(2) For the purposes of this section, “urban growth area” has the same meaning as in RCW 36.70A.030.

(3) A city or county issuing a permit for the construction of an accessory dwelling unit may not be held civilly liable on the basis that the construction of the accessory dwelling unit would violate a restrictive covenant or deed restriction.