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Tuscaloosa, AL Outdoor Lighting: Light Trespass & Shielding (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing section
Sec. 25-158 and Table VI-15
Residential/vacant lot line cap
0.5 footcandles
Institutional lot line cap
1.0 footcandle
Commercial lot line cap
3.0 footcandles
Exempt
Street lighting
Effective
Ord. No. 9572, 12-17-24

Summary

Tuscaloosa caps how much light can spill onto a neighboring lot line. Under Sec. 25-158 and table VI-15, illumination measured at any point on a property line cannot exceed 0.5 footcandles next to households and vacant residential land, 1.0 footcandle next to institutional uses, or 3.0 footcandles next to commercial uses.

All light fixtures shall be designed and oriented so as to not direct glare onto adjacent properties, streets, or sidewalks. [...] Except for street lighting, all exterior lighting and fixtures, and indoor lighting and fixtures that are visible from outside the building, shall be designed, located, and directed so that the illumination measured in footcandles at ground level at any point on a lot line does not exceed the maximum illumination levels in table VI-15: maximum illumination levels.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 102).

Full Breakdown

Sec. ' Sec. 25-158(b) makes that concrete: except for street lighting, every exterior fixture and any indoor fixture visible from outside the building must be designed, located, and directed so illumination measured in footcandles at ground level at any point on a lot line does not exceed table VI-15's caps. 0 footcandles next to commercial uses in any zoning district. Division 6 applies to new development, redevelopment, and expansions or alterations of fifty percent or more of a building's floor area under Sec. 25-154(a), subject to exemptions in Sec.

0 footcandles at an adjoining residential lot line. Fixture design rules in Sec. 25-156 reinforce the trespass cap by requiring full cut-off fixtures directed downward, capping fixture height at twenty feet in residential districts and twenty-five feet elsewhere, and limiting decorative uplighting to 1,600 lumens per fixture. Review of these standards ties to the underlying development, permit, or building-permit application under Sec. 25-155. The division was adopted by Ord. No. 9572, § 2, effective December 17, 2024.

Violations & Fines

A site lighting plan that models illumination past table VI-15's ceiling at any lot line fails review under Sec. 25-158(b), and the director of planning can require added shielding, re-aimed fixtures, or reduced wattage before approving the development, conditional use, or building permit tied to the project under Sec. 25-155.

Frequently Asked Questions

How bright can a neighboring parking lot be at my property line in Tuscaloosa?
It depends on your property's use. Sec. 25-158(b) and table VI-15 cap illumination at 0.5 footcandles measured at the lot line next to household living uses or vacant residential land, 1.0 footcandle next to institutional uses, and 3.0 footcandles next to commercial uses, regardless of what zoning district the light source sits in.
Is street lighting subject to Tuscaloosa's light trespass cap?
No. Sec. 25-158(b) specifically excepts street lighting from the maximum illumination levels in table VI-15, while every other exterior fixture and any indoor fixture visible from outside the building must stay under the applicable cap.
What fixture design does Tuscaloosa require alongside its light trespass limits?
Sec. 25-156(a) requires all exterior luminaries, including security lighting, to be full cut-off fixtures directed downward, with fixture height capped at twenty feet in residential districts and twenty-five feet elsewhere, reinforcing the lot-line illumination limits in Sec. 25-158.

Sources & Official References

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