Outdoor Lighting in Columbia, SC (2026)
3 verified outdoor lighting rules for Columbia, South Carolina, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Every exterior light fixture installed in Columbia, security lighting included, must be a full cut-off fixture aimed downward under UDO Sec. 17-5.9(d); no fixture may direct any light above a horizontal plane drawn through the fixture itself. The rule pairs with citywide height caps of 16 to 30 feet depending on the zoning district.
Columbia Full Cutoff Fixture Shielding Rule
Some RestrictionsColumbia, SC Unified Development Ordinance § 17-5.9(d), Shielding with Full Cut-off Fixtures
Shielding with Full Cut-off Fixtures All exterior luminaries, including security lighting, shall be full cut-off fixtures that are directed downward, consistent with Figure 17-5.9(e)(2)a: Full Cut-off Fixtures. ... In no case shall lighting be directed above a horizontal plane through the lighting fixture (see Figure 17-5.9(e)(2)b: Examples of Fully-Shielded Light Fixtures).
Light Trespass & Shielding
Columbia's exterior lighting standard exists specifically to keep light spillage and glare off neighboring land: Sec. 17-5.9 requires every exterior fixture to be designed so illumination measured at ground level at the lot line stays under fixed footcandle caps, ranging from 0.5 footcandles next to single-family and duplex homes up to 3 footcandles next to industrial uses.
Columbia Light Trespass Limits at Lot Lines
Some RestrictionsColumbia, SC Unified Development Ordinance § 17-5.9(a) & (d), Exterior Lighting
(a) Purpose and Intent The purpose and intent of this Section is to regulate exterior lighting to: Ensure all exterior lighting is designed and installed to maintain adequate lighting levels on site; Assure that excessive light spillage and glare are not directed at adjacent lands, neighboring areas, and motorists; Curtail light pollution, reduce skyglow, and preserve the nighttime environment ...
Billboard Lighting
Columbia's Unified Development Ordinance lets illuminated permanent signs, including freestanding billboards, use chaser lights or pulsating neon tubing only if the sign stands at least 10 feet above grade and sits at least 25 feet from any property line, with each chaser bulb capped at 15 watts. Digital billboard faces must also meet the separate brightness-compensation limits in Sec. 17-5.10(c)(3).
Columbia Billboard and Sign Lighting Rules
Some RestrictionsColumbia, SC Unified Development Ordinance § 17-5.10(c), Illumination
The use of chaser lights utilizing individual lightbulbs rated at 15 watts or less, or the use of neon tubing having pulsating or flashing characteristics, is permitted on permanent signs, provided that the sign is not less than ten feet above the finished ground level and not less than 25 feet from any property line, measured at ground level nearest the sign.
Looking for Richland County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Columbia city rules.
Outdoor Lighting in Richland County →