PDFWAC 51-50-0508
Section 508—Mixed use and occupancy.
508.5.1 Limitations. The following shall apply to live/work areas:
1. The live/work unit is permitted to be not greater than 3,000 square feet (279 m) in area.
2. The nonresidential area is permitted to be not more than 50 percent of the area of each live/work unit.
3. The nonresidential area function shall be limited to the first or main floor only of the live/work unit.