Building Setbacks & Zoning in Sammamish, WA (2026)
2 verified building setbacks & zoning rules for Sammamish, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Within Sammamish's shoreline jurisdiction, SMC 25.06.020(9) sets the shoreline setback at 50 feet landward of Lake Sammamish's ordinary high water mark (45 feet on Pine and Beaver Lakes), and SMC 25.07.080(4) adds an interior side setback of 15 percent of lot width, with a 5-foot minimum on each side. This is a shoreline-jurisdiction standard, not the city's general zoning setback schedule.
Sammamish Shoreline Building Setback Rules
Some RestrictionsSammamish Municipal Code §§ 25.06.020(9), 25.07.080(4)(a)
(9) Shoreline Setback. A shoreline setback is established for Lake Sammamish, Pine Lake, and Beaver Lake. The shoreline setback area for Lake Sammamish is the area extending 50 feet (or as reduced by Table 25.06.020) landward from the OHWM. For Pine and Beaver Lakes, the shoreline setback area is the area extending 45 feet landward from the OHWM. ... (4) Interior Setbacks. (a) Lake Sammamish. I...
Structure Height Limits
Inside Sammamish's shoreline jurisdiction, the Shoreline Master Program caps single-family residences at 35 feet and detached accessory structures at 10 feet, under the bulk standards table cross-referenced to SMC 25.06.020 and 25.07.080. A small waterward accessory structure allowed under SMC 25.07.080(2)(e) is separately capped at 10 feet and 200 square feet.
Sammamish Shoreline Structure Height Limits
Some RestrictionsSammamish Municipal Code § 25.06.020 and § 25.07.080 (bulk standards table)
Single-Family Residential (SMC 25.06.020 and 25.07.080) ... Height | 35 feet | 35 feet | 35 feet | 35 feet ... Accessory structures (not ADU) (SMC 25.07.080) ... Height | 10 feet | 10 feet | 10 feet | 10 feet
Looking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Sammamish city rules.
Building Setbacks & Zoning in King County →