Outdoor Lighting in Placer County, CA (2026)

2 county-level rules, plus city-specific rules for 1 city in Placer County, California.

Verified from official government sources

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

Dark Sky Rules

Placer County has no blanket dark-sky ordinance for every property. The one enforceable 'dark-sky compliant' standard in the code applies to wineries and farm breweries: their lighting must follow the county's rural design guidelines and meet International Dark-Sky Association standards as a condition of their use permit.

Placer County Winery Dark-Sky Lighting Rule

Some Restrictions

Placer County Code § 17.56.330(E)(5)

E. Development and Operational Standards. The following development and operational standards shall apply to all wineries and farm breweries, and expansions of existing lawfully operating facilities... 5. Lighting. All lighting for wineries and farm breweries shall be consistent with the rural design guidelines for Placer County and shall be dark-sky compliant as specified by the International ...

Full ordinance details →Official source ↗

Billboard Lighting

Any lighted sign in unincorporated Placer County, including an off-premises billboard, may only be illuminated by continuous, stationary light sources aimed so only the sign face is lit; flashing or intermittent lighting is barred except for narrow time-and-temperature displays, under County Code § 17.54.170(F).

Placer County Sign & Billboard Illumination Rules

Some Restrictions

Placer County Code § 17.54.170(F)

Any lighted sign shall be illuminated only by continuous and stationary light sources. If the light sources are external to the sign or are otherwise physically detached from the sign, they shall be directed at the sign so that only the sign face is illuminated, except for neon tubing which may be installed so as to be viewed directly whether mounted externally or internally. All other internal...

Full ordinance details →Official source ↗

Outdoor Lighting by City in Placer County

1 cities in Placer County have their own outdoor lighting rules. Each link goes to that city's dedicated page with code citations.

RosevillePop. 147,773

1 verified rule • Billboard Lighting

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