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Hartford, CT Outdoor Lighting: Dark Sky Rules (2026)

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

Key Facts

Standard
Fixtures must point downward
Scope
New & replacement outdoor fixtures
Purpose
Preserve dark sky, view stars
Review
Zoning/site plan permit process

Summary

Hartford's zoning code requires all outdoor light fixtures to point downward and stay confined to areas that need it, preserving a dark night sky citywide.

Intent. To provide adequate light for safety and security; promote efficient lighting that conserves energy; reduce light pollution, light trespass, glare and offensive light sources; and provide an environmentally sensitive nighttime environment that includes the ability to view the stars against a dark sky so that people can see the Milky Way Galaxy.B.Applicability. These regulations apply to the installation of new outdoor lighting fixtures or the replacement of existing outdoor fixtures other than outdoor fixtures erected and maintained by the city. Replacement of a fixture shall mean a change of fixture type or change to the mounting height or location of the fixture, including fixtures mounted on the exterior of buildings or structures, freestanding lights, and ground lights. Routine lighting maintenance, such as changing lamps or light bulbs, ballast, starter, photo control, housing, lenses, and other similar components, does not constitute replacement and is permitted, provided such changes do not result in a higher lumen output.

Full Breakdown

The zoning regulations state an explicit dark-sky purpose: outdoor lighting must serve safety and energy efficiency while reducing light pollution and preserving the ability to view stars and the Milky Way. The operative design standard implementing that purpose, section 6.15.2.A, requires that exterior light sources be directed downward with illumination confined to necessary or useful areas. It applies to new and replacement outdoor fixtures citywide, reviewed through the zoning and site plan process.

Violations & Fines

The zoning administrator or Planning and Zoning Commission can reject noncompliant lighting plans at permit or site plan review; noncompliant fixtures must be corrected before approval.

Frequently Asked Questions

Does Hartford require dark-sky-compliant lighting?
Yes: section 6.15.1.A states the intent to preserve the ability to view stars, and section 6.15.2.A requires exterior lights be aimed downward and confined to needed areas.
Which fixtures does the rule cover?
Any new outdoor lighting fixture or replacement of an existing one, including building-mounted, freestanding, and ground lights, other than city-owned fixtures.

Sources & Official References

Other rules in Hartford

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