Washington Revised Code Title 36. Counties § 36.70A.696. Accessory dwelling units--Definitions

(1) “Accessory dwelling unit” means a dwelling unit located on the same lot as a single-family housing unit, duplex, triplex, townhome, or other housing unit.

(2) “Attached accessory dwelling unit” means an accessory dwelling unit located within or attached to a single-family housing unit, duplex, triplex, townhome, or other housing unit.

(3) “City” means any city, code city, and town located in a county planning under RCW 36.70A.040.

(4) “County” means any county planning under RCW 36.70A.040.

(5) “Detached accessory dwelling unit” means an accessory dwelling unit that consists partly or entirely of a building that is separate and detached from a single-family housing unit, duplex, triplex, townhome, or other housing unit and is on the same property.

(6) “Dwelling unit” means a residential living unit that provides complete independent living facilities for one or more persons and that includes permanent provisions for living, sleeping, eating, cooking, and sanitation.

(7) “Gross floor area” means the interior habitable area of a dwelling unit including basements and attics but not including a garage or accessory structure.

(8) “Major transit stop” means:

(9) “Owner” means any person who has at least 50 percent ownership in a property on which an accessory dwelling unit is located.

(10) “Principal unit” means the single-family housing unit, duplex, triplex, townhome, or other housing unit located on the same lot as an accessory dwelling unit.

(11) “Short-term rental” means a lodging use, that is not a hotel or motel or bed and breakfast, in which a dwelling unit, or portion thereof, is offered or provided to a guest by a short-term rental operator for a fee for fewer than 30 consecutive nights.