Outdoor Lighting in Ventura County, CA (2026)

2 county-level rules, plus city-specific rules for 6 cities in Ventura County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Ventura County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Dark Sky Rules

Inside Ventura County's Dark Sky Overlay Zone, outdoor light fixtures installed after November 2018 must be fully shielded, capped at 3,000 Kelvin and 850 lumens, and largely switched off after 10 p.m.

Ventura County Dark Sky Overlay Lighting Rules

Some Restrictions

Ventura County Ordinance Code § 8109-4.7.4(a)

a.Shielding and Direction of Luminaires: All outdoor luminaires shall be fully shielded, directed downward, and installed and maintained in such a manner to avoid light trespass beyond the lot line in excess of those amounts set forth in subsection (i) below. Lights at building entrances, such as porch lights and under-eave lights, may be partially shielded.

Full ordinance details →Official source ↗

Light Trespass & Shielding

In the Dark Sky overlay zone, security lights must be fully shielded, aimed downward, and capped at 2,600 lumens with an auto-shutoff timer.

Ventura County Security Light Shielding

Some Restrictions

Ventura County Ordinance Code § 8109-4.7.4(a), (e)

Shielding and Direction of Luminaires: All outdoor luminaires shall be fully shielded, directed downward...to avoid light trespass beyond the lot line...Lights at building entrances...may be partially shielded. Security Lighting: (1) Outdoor luminaires used for security lighting shall not exceed a maximum output of two thousand six hundred (2,600) lumens per luminaire. (2) Where the light outpu...

Full ordinance details →Official source ↗