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Outdoor Lighting in Prince George's County, MD (2026)

3 rules for unincorporated Prince George's County, Maryland.

Verified from official government sources

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

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 Restrictions

Sec. 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 Restrictions

Sec. 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 Restrictions

Prince 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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