Outdoor Lighting in Sammamish, WA (2026)
1 verified outdoor lighting rules for Sammamish, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Light Trespass & Shielding
Within Sammamish's shoreline jurisdiction along Lake Sammamish, Pine Lake, and Beaver Lake, SMC 25.06.020(6) bars exterior lighting from shining directly onto the water and requires full cutoff fixtures with light shields so glare or direct illumination onto the lake is minimized. The rule governs shoreline permits reviewed by community development, not general residential lighting citywide.
Sammamish Shoreline Lighting Glare Limits
Light RestrictionsSammamish Municipal Code § 25.06.020(6)
(6) Light and Glare. Exterior lighting shall not shine directly onto the water. Exterior lighting fixtures shall include full cutoff devices (light shields) such that glare or direct illumination onto the lake is minimized.
Looking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Sammamish city rules.
Outdoor Lighting in King County →