Walla Walla County, WA Building Setbacks & Zoning: Setback Rules (2026)

WWCC § 17.18.020's table of density and dimensional requirements sets three setback columns, front, side and rear, that vary by zoning district across unincorporated Walla Walla County. Single Family Residential R-60 requires a fifteen-foot front yard, a five-foot side yard and a twenty-foot rear yard subject to development condition 7. R-72 and Suburban Residential R-96 require a twenty-foot front yard with the same five and ten-foot side setbacks respectively. Every agricultural and rural district, including Exclusive Agriculture, Primary Agriculture, General Agriculture, and the Rural Remote and Rural Agriculture tiers, carries a uniform thirty-foot front and ten-foot side setback, with the rear yard governed instead by the county Building Code under development condition 5.

Development condition 2 layers a heightened setback on top of the base figures: any building that houses domestic animals, or any use that produces offensive noise, vibration, smoke, dust, odors, heat or glare, must maintain a seventy-five-foot front yard setback and fifty-foot side and rear yard setbacks, regardless of the zone's normal minimum. Development condition 7 separately allows the side or rear setback to shrink to ten feet in several residential and rural zones. Nonconforming lots of record that predate the zoning ordinance are not exempt from these setback figures; WWCC § 17.16.014 confirms that only the area and width requirements may be varied for such lots, while yard dimensions must still conform to the district's table.

Community Development checks setback compliance at building permit review under Title 14, and any structure placed within the required setback without an approved variance under Chapter 17.44 is a zoning violation.