Chelan County, WA Zoning Overlays & Bonuses: Density Bonus Law (2026)

080. Subsection (5) starts from the underlying zone's density as the baseline, then allows a straight residential project density bonus of up to one hundred fifty percent of that baseline, provided every other Chelan County Code requirement is still met. 3 in acreage), internal pedestrian trails worth fifteen percent, visual screening of non-residential structures worth ten percent, a twenty-foot open-space greenbelt worth fifteen percent, putting twenty-five percent of the site into multifamily units worth twenty-five percent, energy-conservative construction worth ten percent, and historic preservation of archaeological sites or historic buildings worth fifteen percent.

Subsection (6) layers on a separate affordable-housing bonus: a PUD that commits ten percent of its units to households earning eighty percent or less of Chelan County's median income, at rent capped at twenty-eight percent of that income, can also reach the two-hundred-percent ceiling, with availability locked in by covenant or deed restriction for twenty years from the certificate of occupancy. All bonus features require Chelan County administrator or hearing examiner approval before they count.