Outdoor Lighting in San Ramon, CA (2026)
3 verified outdoor lighting rules for San Ramon, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
San Ramon caps outdoor light fixtures at 18 feet, requires energy-efficient lamps, and mandates that fixtures be shielded or recessed so the bulb is never visible from off-site, under Municipal Code Section D3-7; blinking, flashing, or unusually bright permanent lighting is banned outright.
San Ramon Outdoor Lighting Design Standards
Some RestrictionsSan Ramon Municipal Code Sec. D3-7(F), (G), (H)(1), (J)
F. Maximum height of lighting. An outdoor light fixture, not including parking area lighting structures, shall be limited to a maximum height of 18 feet. An outdoor light fixture within the public right-of-way or within a Park zone is exempt from this height limit because of site specific requirements. G. Energy-efficient fixtures required. Outdoor lighting shall utilize energy-efficient (high ...
Light Trespass & Shielding
San Ramon caps light spilling onto a neighboring residential lot at one foot-candle at the property line and requires fixtures to confine glare within the site and aim downward and away from adjoining land, under Municipal Code Section D3-7(H)-(I).
San Ramon Light Trespass Limits On Neighbors
Some RestrictionsSan Ramon Municipal Code Sec. D3-7(H)(2), (I)
H. Shielded or recessed lighting required. Lighting fixtures shall be shielded or recessed to reduce light bleed to adjoining properties, by: 1. Ensuring that the light source (e.g., bulb, etc.) is not visible from off the site; and 2. Confining glare and reflections within the boundaries of the site to the maximum extent feasible. Each light fixture shall be directed downward and away from adj...
Billboard Lighting
San Ramon does not regulate billboard lighting because it does not allow billboards at all: Section D3-50(F) of the Sign Ordinance prohibits off-site signs and billboards anywhere within the City. Any illuminated sign that is permitted must still meet the general shielding and nighttime curfew rules in Section D3-49.
San Ramon Bans Billboards Citywide
Heavy RestrictionsSan Ramon Municipal Code § D3-50(F)
F. Off-site signs. Off-site signs or billboards are prohibited anywhere within the City.
Looking for Contra Costa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement San Ramon city rules.
Outdoor Lighting in Contra Costa County →