Accessory Dwelling Unit

An Accessory Dwelling Unit is a freestanding detached structure or an attached part of a structure that is subordinate and incidental to the principal dwelling unit located on the same property and provides complete, independent living facilities exclusively for a single housekeeping unit, including permanent provision for living, sleeping, cooking, and sanitation.

Application Materials

You may find the requirements and application process in the Spokane Valley Municipal Code (SVMC) 19.40.030.