Seattle Zoning Changes and Older Homes: What Buyers and Sellers Should Know

Seattle’s residential zoning rules have changed, and that can affect how older homes, larger lots, teardown candidates, ADUs, DADUs, and infill properties are valued. Zoning is important, but so are lot size, slope, alley access, trees, side sewers, drainage, utilities, permitting, and whether a project can realistically be built.