Seattle Zoning
SM Zone in Seattle, WA
SM zoning district rules in Seattle, WA. Permitted uses, setbacks, height limits, and lot coverage requirements.
Mixed-Use District
The SM zone in Seattle, WA is a mixed-use district.
Parking Requirements
Seattle is a national leader in parking reform. The 2019 ADU ordinance, combined with citywide parking minimum reductions, make Seattle one of the most transit-forward cities in the US for new development. EV charging infrastructure required for new construction per Washington State Energy Code.
Source: Seattle Municipal Code 23.44.041 — Accessory Dwelling Units; Washington RCW 36.70A.681 (HB 1337 codification). Last verified April 5, 2026. View source
Last updated: April 5, 2026