Local Law 50 of 2025: New LED Lighting Rules for Sidewalk Sheds

A smaller fix than the 90-day permit rule, but one tenants actually notice

Most of what changed for NYC sidewalk sheds in 2025 was about permits, penalties, and deadlines. Local Law 50 of 2025 is different: it’s about the lights. Specifically, it rewrites NYC Building Code Section 3307.6.4.8 to require brighter, more efficient, and better-shielded lighting under every sidewalk shed — the kind of change a resident actually feels walking under a shed at night, or lying in bed with a shed light shining into their window.

For a visual walkthrough, see our briefing slides: Your façade clock and your sidewalk shed.

What Local Law 50 actually requires

Local Law 50 of 2025 (Council Int. No. 660-A of 2024) amends Section 3307.6.4.8 of the Building Code. The amended section now requires:

• Lighting at all times. The underside of a sidewalk shed must be illuminated continuously, whether by daylight or electric light.
• Higher minimum illumination. A minimum of 1.5 footcandle (17 lux) measured at the walking surface, uniformly distributed along the full length of the shed — or 5 footcandle (55 lux) where the walking surface is within 10 feet of a subway entrance, bus shelter, or similar transit facility.
• 90 lumens per watt, up from 45. The law doubles the minimum luminous efficacy requirement for the light source itself, and the fixtures must be rated to operate at 5°F and higher.
• LED lighting is now mandatory. The amended code states plainly: “LED lighting shall be used to satisfy the requirements of this section.”
• Water-resistant, vandal-resistant fixtures. All lamps must be enclosed in fixtures meeting that standard, with wiring and components conforming to the NYC Electrical Code.
• Photosensors, if used, need fail-safe operation. A photosensor controlling the lights based on available daylight must be built so that if the sensor or control fails, the lamps still deliver the required lighting levels.
• Shielding within 20 feet of an apartment window. Where a shed lighting fixture sits within a 20-foot radius of the fenestration of a dwelling unit, it must have directional adjustment or shielding to eliminate light trespass toward that unit.

That last point is the one that generated the most public complaints before the law passed, and it’s worth building managers flagging specifically to their shed contractor: a fixture that’s technically bright enough and efficient enough can still be out of compliance if it’s aimed straight into a neighbor’s bedroom window.

Why Local Law 50 reads strangely on its own — and how it pairs with Local Law 47

If you read Local Law 50’s text by itself, the effective-date language is a little odd: Section 2 says the law “takes effect on the same date that section two of a local law for the year 2025 amending the New York city building code, relating to studying sidewalk shed designs and improving the aesthetics of existing sidewalk sheds…takes effect.” That’s a cross-reference to Local Law 47 of 2025, the companion law that also raised sidewalk shed ceiling height to 12 feet, set the 1.5/5 footcandle illumination floor, and opened up new shed and fence colors (hunter green, metallic gray, or white, or a color matched to the building).

Local Law 47 itself took effect 120 days after it became law — both laws were passed by the Council on March 26, 2025 and signed by Mayor Adams on April 17, 2025, putting the effective date at August 15, 2025. DOB’s own industry notice on the lighting upgrade confirms that date directly: sidewalk sheds for which construction documents are submitted on or after August 15, 2025 must meet the new illumination requirements, while sheds filed before that date can keep operating at the prior 1 footcandle minimum unless the owner chooses to upgrade voluntarily. Because Local Law 50 is written to turn on with that same trigger, the practical effect is the same filing-date test applies to the 90-lumens-per-watt, mandatory-LED, and shielding requirements.

In short: Local Law 47 set the brighter illumination floor and the shed design rules; Local Law 50 is what made the fixtures LED, doubled their efficiency standard, and added the anti-glare shielding near apartment windows. They’re a matched pair, both part of the five-law “Get Sheds Down” package the mayor signed on April 17, 2025.

The other four laws in the same package

Local Law 50 didn’t arrive alone. The same signing bundled it with four related laws, and it’s worth knowing where each one fits since they get invoked together constantly:

• Local Law 47 — new shed colors, 12-foot clear height, the illumination floor Local Law 50 builds on, and a DOB study on new shed designs.
• Local Law 48 — cut sidewalk shed permits down to 90-day terms with monthly penalties for sheds where repair work isn’t progressing. We covered this in detail in our sidewalk shed rules guide.
• Local Law 49 — moves the Facade Inspection Safety Program (FISP) toward a future 6-to-12-year inspection interval, to be set by a DOB rule that hadn’t been proposed as of this writing. Cycle 10’s existing sub-cycle deadlines are unaffected until that rule exists; see our FISP Cycle 10 guide for your building’s current filing window.
• Local Law 51 — sets milestone penalties (document filing, permit application, completion) for facade repair work tied to a building’s first sidewalk shed permit.

What owners and managers should ask their shed contractor

If your building has a shed up now, or one going up soon, a few direct questions to a contractor or shed erector will tell you whether the lighting is handled correctly:

1. “Are the fixtures LED, and what’s the manufacturer’s rated luminous efficacy?” You’re looking for 90 lumens per watt or better, documented on the cut sheet — not just “LED” as a marketing term.
2. “What illumination level are you designing to, and is any part of this shed within 10 feet of a subway entrance or bus shelter?” That triggers the higher 5 footcandle standard instead of 1.5.
3. “Is any fixture within 20 feet of an apartment window, and if so, what shielding or directional adjustment is being used?” This is the requirement most likely to get overlooked on a shed that wraps close to a building’s own facade or a neighboring building.
4. “When were this shed’s construction documents filed?” That date — not the installation date — is what determines whether the new lighting standard legally applies versus the older 1 footcandle rule.
5. “Are the fixtures rated water-resistant, vandal-resistant, and for cold-weather operation (5°F or higher)?” All three are explicit code requirements, not optional upgrades.

Shed lighting is a small line item next to the structural engineering, the permit renewals, and the underlying facade repair, but it’s also one of the most visible things about a shed to the people who live and walk under it every day. Getting it right the first time avoids a callback from DOB — or a call from a resident.

Altius CM sequences sidewalk shed, scaffold, and the underlying facade repair as one job, with weekly progress logs and drone facade surveys ahead of mobilization — see our scope of work and services pages for how that fits together on a Local Law 11/FISP restoration program.

This is general information, not legal advice. Confirm your shed’s construction document filing date and current lighting specification with your shed design engineer or RDP, since that filing date determines which lighting standard legally applies to your installation.

If you’re not sure whether your current or upcoming shed meets the Local Law 50 lighting standard, talk to us.