Outdoor Lighting in Simi Valley, CA (2026)
2 verified outdoor lighting rules for Simi Valley, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Simi Valley requires cutoff, shielded fixtures for any outdoor lighting plan tied to new parking or building construction. Development Code Section 9-30.040(C) caps fixture height at 14 feet within 100 feet of residential property, bans exposed lenses and low pressure sodium lamps, and limits the brightest-to-dimmest ratio to 7:1.
Simi Valley Outdoor Light Fixture Shielding Rules
Some RestrictionsSimi Valley Municipal Code § 9-30.040(C)
C.In order to comply with the above requirements of this Section, each plan for construction of a building with outside parking and lighting shall include the following:1.An exterior lighting (photometric) plan consisting of a point-by-point foot candle layout (based on a 10-foot grid center) extending a minimum of 20 feet outside the property lines, prepared by a California-registered electric...
Light Trespass & Shielding
Every light fixture in Simi Valley, residential or commercial, must be aimed away from neighboring property under Development Code Section 9-30.040(A), with no glare crossing onto adjacent land or streets. Flashing lights are banned outright under Subsection (B), with no exception for signs, holiday displays, or security devices.
Simi Valley Light Trespass and Glare Rules
Some RestrictionsSimi Valley Municipal Code § 9-30.040(A)-(B), (C)(6)
Each exterior light fixture and light source shall comply with the following standards: A.Each commercial, industrial, and single- and multi-family residential light fixture shall be designed, constructed, and maintained to ensure that light is directed away from any adjacent use, and to ensure that there shall be no illumination or glare from the exterior lighting system onto adjacent properti...
Looking for Ventura County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Simi Valley city rules.
Outdoor Lighting in Ventura County →