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Irondequoit, NY Outdoor Lighting: Dark Sky Rules (2026)

Light Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified October 2026

Key Facts

Where it applies
RRPD District, Town of Irondequoit
Exterior fixtures
Dark sky compliant fixtures should be used
Exception
Need for an alternative demonstrated during application
Interior lighting
Must avoid light spill on adjacent public rights-of-way
Fast review track
Zero lumens along boundaries with adjacent properties
Reviewing office
Community Development Department, then Planning Board

Summary

In the Town of Irondequoit's Ridge Road Planned Development (RRPD) District, exterior lighting on sites and structures should use dark sky compliant fixtures unless the applicant demonstrates a need for an alternative, and interior lighting must avoid light spill onto adjacent public rights-of-way. Lit signs are also expected to be high-efficiency and dark sky compliant.

(c) Lit signs are appropriate for the area, but should be high-efficiency and dark sky compliant. ... H. Lighting. (1) Exterior lighting, including fixtures located on sites and mounted on structures, shall be designed to provide safe pedestrian and vehicular navigation, enhance safety, and complement the design of the proposed development. Dark sky compliant fixtures should be used, unless the need for alternative is demonstrated during application. (2) Interior lighting within buildings shall be designed, positioned and/or controlled in such a way that avoids light spill on adjacent public rights-of-way.

Full Breakdown

The rule sits in § 235-176 of the Code of the Town of Irondequoit, the design guidelines for the Ridge Road Planned Development District, which the code describes as the Town's primary commercial corridor. It is not a townwide lighting ordinance. Outside the RRPD District, this section does not apply.

Subsection H(1) says exterior lighting, including fixtures located on sites and mounted on structures, shall be designed to provide safe pedestrian and vehicular navigation, enhance safety, and complement the design of the proposed development. The fixture standard itself is worded as an expectation: dark sky compliant fixtures should be used, unless the need for an alternative is demonstrated during application. An applicant who wants something else carries the burden of showing why. Subsection H(2) is firmer on the inside of buildings: interior lighting shall be designed, positioned and/or controlled so that it avoids light spill on adjacent public rights-of-way.

The same section handles signs. In the signage guidelines, the Town of Irondequoit states that lit signs are appropriate for the area but should be high-efficiency and dark sky compliant.

The lighting standard ties directly into the district's review track in § 235-175. The Community Development Department conducts an administrative review, without a full site plan hearing, for lighting upgrades and replacements of existing fixtures that are dark sky compliant, and for new fixtures that are dark sky compliant and produce zero lumens along parcel boundaries bordering adjacent properties. Lighting that falls outside those criteria pushes the project toward site plan review under Article XV before the Planning Board, and the Community Development Director can require site plan review for any project that does not clearly demonstrate eligibility for administrative review. Under § 235-175D the applicable review must be completed before a building permit or change of occupancy permit can be issued.

Violations & Fines

The lighting subsection prints no fine of its own. The practical enforcement point is the review gate: the Department of Community Development will not issue a building permit or change of occupancy permit in the RRPD District until the administrative or site plan review is complete, and a lighting design that departs from dark sky compliant fixtures without a demonstrated need invites the Planning Board route.

Frequently Asked Questions

Does the Town of Irondequoit require dark sky fixtures everywhere?
No. The dark sky language appears in § 235-176, the design guidelines for the Ridge Road Planned Development (RRPD) District. The excerpt covers that district only. A property elsewhere in the Town of Irondequoit is not governed by this particular subsection.
Can an RRPD applicant use a different type of fixture?
Yes, but the code puts the burden on the applicant. Section 235-176H(1) says dark sky compliant fixtures should be used, unless the need for an alternative is demonstrated during application. The showing is made as part of the development review.
What counts as a quick administrative review for lighting in the RRPD District?
Under § 235-175C(1)(d), the Community Development Department reviews upgrades or replacement of existing dark sky compliant fixtures, and new dark sky compliant fixtures that produce zero lumens along parcel boundaries bordering adjacent properties. Projects beyond those criteria need site plan review.
Does indoor lighting matter under this rule?
Yes. Section 235-176H(2) requires interior lighting within buildings to be designed, positioned and/or controlled so that it avoids light spill on adjacent public rights-of-way. The Town Board wrote this into the RRPD guidelines alongside the exterior fixture standard.

Sources & Official References

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