Outdoor Lighting in Auburn, WA (2026)
2 verified outdoor lighting rules for Auburn, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Auburn requires all outdoor lighting fixtures covered by Chapter 18.55 ACC to be shielded on every side so the bulb itself is never visible past the property line. ACC 18.55.030 caps fixture height at 16 feet within 50 feet of a residential zone, limits illumination spilling onto neighboring residential land to one-tenth footcandle, and bans strobe, laser and unshielded roof-mounted lights.
Auburn Outdoor Lighting Shielding Rules
Some RestrictionsACC 18.55.030
A. Shielding Required. Except as otherwise exempt, all outdoor lighting fixtures shall be constructed with shielding on all sides. The outdoor light source (bulb or element) shall not be visible at or beyond the property line. ... D. Level of Illumination. 1. Parking lots, driveways, and trash enclosures/areas shall be illuminated with a minimum maintained one foot-candle of light and an averag...
Light Trespass & Shielding
Auburn requires every outdoor light fixture to be shielded on all sides so the bulb itself cannot be seen from or beyond the property line, and caps illumination spilling onto neighboring residential land at one-tenth of a foot-candle.
Auburn Light Trespass Rules for Outdoor Lighting
Some RestrictionsAuburn City Code (ACC) 18.55.030(A), (D)(3)
A. Shielding Required. Except as otherwise exempt, all outdoor lighting fixtures shall be constructed with shielding on all sides. The outdoor light source (bulb or element) shall not be visible at or beyond the property line. ... D. Level of Illumination. ... 3. In order to minimize light spillage on abutting residential property, illumination measured at the nearest residential structure or r...
Looking for King County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Auburn city rules.
Outdoor Lighting in King County →