Outdoor Lighting in Prince George's County, MD (2026)
3 rules for unincorporated Prince George's County, Maryland.
Verified from official government sources
Dark Sky Rules
The 2022 Zoning Ordinance requires all exterior luminaires, including security lighting, to be full cut-off fixtures directed downward, with no light directed above a horizontal plane through the fixture (Sec. 27-6706(b)). Fixtures must produce at least 80 lumens per watt.
Prince George's County Dark Sky Lighting Rules
Heavy RestrictionsSec. 27-6706(b)
All exterior luminaries, including security lighting, shall be full cut-off fixtures that are directed downward… In no case shall lighting be directed above a horizontal plane through the lighting fixture…
Light Trespass & Shielding
The 2022 Zoning Ordinance limits light spillover across property lines. Illumination measured at a lot line abutting residential use or vacant land in Rural, Agricultural, and Residential zones may not exceed 0.5 foot-candles; higher limits apply for commercial and industrial neighbors (Sec. 27-6706(c)).
Prince George's County Light Trespass Rules
Heavy RestrictionsSec. 27-6706(c)(1)
…all exterior lighting and indoor lighting visible from outside shall be designed and located so that the maximum illumination measured in foot-candles at ground level at a lot line shall not exceed the standards in Table 27-6706(c).1…
Billboard Lighting
A digital billboard in Prince George's County cannot shine more than 0.3 foot candle above ambient light and must carry a light-sensing device that automatically dims the display as daylight fades.
PG County Digital Billboard Brightness Limit
Some RestrictionsPrince George's County Zoning Ordinance § 27-61506(g)(8)
A digital billboard shall not operate at a brightness level of more than 0.3 foot candle above ambient light, as measured using a foot candle meter at the distance from the digital billboard listed in Table 27-61506(g)(8): Distance for Measuring Foot-candles, based on the size of the digital display. ... A digital billboard shall have a light-sensing device to adjust the digital display brightn...
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