US Sign Code  / New York City
NYC Zoning Resolution · Art. III Ch. 2

NYC sign permit — will your storefront sign get a violation?

By USSignCode Editorial · Last updated September 29, 2026 · How we check this page

In New York City, your legal sign size depends on your building's zoning district — and most owners never check. Enter your address. We pull your zoning and flag the risk before you pay for a sign the city makes you take down.

This checks accessory business signs — a sign identifying your own business at your location. Third-party billboards / advertising signs are not covered.
This is the width of your lot along the street. We try to fill it automatically; correct it if it looks wrong.

Why NYC signs get flagged

New York City does not set one sign rule for the whole city. The NYC Zoning Resolution ties your maximum legal sign area to the zoning district your building sits in, and then cuts that allowance sharply the moment your sign is illuminated. A 50-foot-wide storefront in a C1 district can run a 150 sq ft non-illuminated sign — but light it up and the cap collapses to 50 sq ft. Owners who size a bright sign off the non-illuminated number are the ones who get the violation notice.

Unpermitted or oversized signs draw daily accruing penalties and removal orders from the Department of Buildings. This tool reads the same zoning rules the city enforces and tells you where your plan stands before you commit to fabrication.

NYC commercial sign allowance by district

Maximum accessory sign area. "Mult" = multiply by your street frontage in feet; the cap is the hard ceiling.

DistrictNon-illuminatedIlluminatedFlashing/LED
C1 / C2×3, max 150×3, max 50Not allowed
C350 maxNot allowedNot allowed
C4 / C5-4 / C6 / C7×5, max 500×5, max 500×5, max 500
C5-1/2/3/5×3, max 200×3, max 50Not allowed
C6-1A×5, max 500×5, max 500Not allowed
C6-5 / C6-7No size limitNo size limitNo size limit
C8×6, max 750×6, max 750×6, max 750

Source: NYC Zoning Resolution §32-642, §32-643, §32-644, §32-645. Projection across the street line: 18 in (double-faced) / 12 in (single-faced), §32-652.

How to apply for a New York City sign permit

In New York the illumination decision comes before the size decision, because lighting the sign changes the number you are allowed.

1. Pull your zoning district
The Zoning Resolution ties your maximum legal sign area to the district your building sits in — there is no citywide number.
2. Decide illumination before you size it
The allowance drops sharply the moment the sign is illuminated. A 50-foot-wide storefront in a C1 district can run a 150 sq ft non-illuminated sign; lit, the cap collapses to 50 sq ft.
3. Size the sign against the district table
ZR §32-642 sets the non-illuminated maximum by district — C3 is a flat 50 sq ft, C1 and C2 are three times the street frontage of the zoning lot capped at 150 sq ft — and §32-643 to §32-645 set the illuminated and flashing allowances. Whether DOB also requires a permit is a Building Code question this page does not answer.
4. Check Special Purpose and Landmarks districts
Special Purpose Districts like Times Square and Landmarks/historic districts override the standard formulas with their own design review.
5. File in DOB NOW: Build with a licensed sign hanger
NYC requires a licensed sign hanger to install or remove most commercial signs, and an illuminated sign carries a separate annual permit renewed and billed each year by the Department of Finance.

Steps assembled from the confirmed items on this page. Fees and what drives the schedule are covered in "Cost, timeline & temporary banners" below — not repeated here.

Questions owners ask

Do I need a permit for a small sign?
The Zoning Resolution sets what may be displayed, not what DOB will let you install without a permit. ZR §32-642 through §32-645 govern surface area and illumination, §32-652 the projection across the street line, and §32-655 the height — clearing those is necessary, but it is not the same as clearing the Building Code.
Who can legally install my sign?
NYC requires a licensed sign hanger to install or remove most commercial signs. Even a perfectly sized sign installed by an unlicensed contractor can trigger violations.
My building is in a historic or special district — does this still apply?
No. Special Purpose Districts (like Times Square) and Landmarks/Historic districts override the standard formulas with their own design review. If your address falls in one, this tool will tell you and route you to a licensed expediter instead of guessing.
Which signs do not need a permit in NYC?
Construction Code §28-105.1 requires a Department permit for sign displays and installations. DOB Sign Permit Requirements, Construction Code §28-105.1 · verified 2026-09-29 One exemption is listed, in the city’s own words: “signs that are painted or smaller than six square feet and not illuminated do not require a permit.” DOB Sign Permit Requirements · verified 2026-09-29 Everything else needs the Sign (SG) permit filed through DOB NOW: Build, an Alteration (ALT) permit with the borough office if the sign is attached to a structure rather than directly to a building, and a separate electrical permit for any electrical work. DOB Sign Permit Requirements · verified 2026-09-29 This source states no permit fee amount and no review or processing time, so neither is given here. DOB Sign Permit Requirements · verified 2026-09-29
Who is allowed to install a sign in NYC?
Construction Code §28-415.1 requires a licensed Sign Hanger to perform the installation or directly supervise it. DOB Sign Permit Requirements, Construction Code §28-415.1 · verified 2026-09-29 The exemptions listed from that requirement are signs under 75 square feet, ground-supported signs, directional signs and temporary construction signs. DOB Sign Permit Requirements, Construction Code §28-415.1 · verified 2026-09-29 Electrical work is separate: it requires an electrical permit filed by a licensed electrician through DOB NOW: Build. DOB Sign Permit Requirements · verified 2026-09-29 And illuminated signs that project beyond the building line require an annual permit, billed annually. DOB Sign Permit Requirements · verified 2026-09-29
Is this an official ruling?
No. This is a first-pass risk filter based on public zoning data and the Zoning Resolution. It is not a permit and not legal advice. Final dimensions are confirmed by a NYC-registered sign professional.

NYC sign permit: when you need one

A sign has to comply with the NYC Construction Codes, the Zoning Resolution and City rules — the zoning envelope this checker reads is only one of the three. DOB Sign Permit Requirements · verified 2026-09-29

Construction Code §28-105.1 requires Department permits for sign displays and installations. DOB Sign Permit Requirements, Construction Code §28-105.1 · verified 2026-09-29

The Sign (SG) permit covers the copy displayed, and it is filed through DOB NOW: Build. DOB Sign Permit Requirements, Construction Code §28-105.1 · verified 2026-09-29

One exemption is listed, quoted here as the city writes it: “signs that are painted or smaller than six square feet and not illuminated do not require a permit.” DOB Sign Permit Requirements · verified 2026-09-29

Application steps

1. File the Sign (SG) permit
File it through DOB NOW: Build; the SG permit is the one covering the copy displayed. DOB Sign Permit Requirements, Construction Code §28-105.1 · verified 2026-09-29
2. Add an ALT permit if the sign is on a structure
If the sign is attached to a structure rather than directly to a building, an Alteration (ALT) permit must be filed with the borough office. DOB Sign Permit Requirements · verified 2026-09-29
3. File the electrical permit separately
Electrical work for a sign requires a separate electrical permit, filed by a licensed electrician through DOB NOW: Build. DOB Sign Permit Requirements · verified 2026-09-29

What you submit — and what this source does not say

The Sign (SG) permit filing goes through DOB NOW: Build. DOB Sign Permit Requirements, Construction Code §28-105.1 · verified 2026-09-29

The Alteration (ALT) permit filing goes to the borough office, and it applies when the sign is attached to a structure rather than directly to a building. DOB Sign Permit Requirements · verified 2026-09-29

The electrical permit filing goes through DOB NOW: Build and must be made by a licensed electrician. DOB Sign Permit Requirements · verified 2026-09-29

This source names those filing routes but does not list the documents to attach to them, so this page lists none. DOB Sign Permit Requirements · verified 2026-09-29

Fees and review timeline: this source states no permit fee amount and no review or processing time, so this page gives neither figure for the SG, ALT or electrical filings. DOB Sign Permit Requirements · verified 2026-09-29

Installer qualification and the annual permit

Construction Code §28-415.1 requires a licensed Sign Hanger to perform the sign installation or directly supervise it. DOB Sign Permit Requirements, Construction Code §28-415.1 · verified 2026-09-29

The exemptions listed from that requirement are signs under 75 square feet, ground-supported signs, directional signs and temporary construction signs. DOB Sign Permit Requirements, Construction Code §28-415.1 · verified 2026-09-29

Illuminated signs that project beyond the building line require an annual permit, billed annually. DOB Sign Permit Requirements · verified 2026-09-29

Cost, timeline & temporary signs

The three things owners ask right before they spend money — sized for NYC specifically:

What does a NYC sign permit cost?
NYC doesn't use a flat fee. DOB sign-permit fees are calculated from the estimated cost of the sign work (a percentage, per the NYC Administrative Code fee schedule, Table 28-112.2), so a small storefront sign and a large illuminated one cost very different amounts. Illuminated signs carry a separate annual permit that's renewed and billed every year by the Department of Finance. Budget for the permit plus the licensed sign hanger and, if lit, an electrical permit — the all-in cost typically runs to several thousand dollars for a standard illuminated storefront sign.
How long does approval take?
DOB does not publish a review or processing time for sign permits, so this page does not give one. The Department of Buildings sign permit requirements page states none. DOB Sign Permit Requirements · verified 2026-09-29 What you can control is the filing: a complete package through DOB NOW: Build the first time avoids the resubmission cycles that stretch any schedule out.
Can I put up a "Coming Soon" or "Grand Opening" banner first?
Sidewalk A-frame signs fall under DOT rules rather than DOB, and temporary banners are regulated separately. Don't assume a banner is automatically exempt; confirm size and placement before you hang it, or it can draw the same violations as a permanent sign. The Zoning Resolution sections cited here (§32-642 to §32-645, §32-652, §32-655) set the zoning envelope only.

Source: NYC Department of Buildings (Sign Permit; Sign FAQ); NYC Administrative Code §28-112.2. Fees and timelines change — confirm current figures with DOB before filing.

Sources and official references: NYC Department of Buildings — Sign Permit Requirements · NYC Zoning Resolution §32-642 — Permitted Surface Area of Signs · §32-643 · §32-644 · §32-645 · §32-652 · §32-655. Measured on 21 August 2026: §32-642 extracts as text and carries every surface-area figure quoted on this page. Correction, 8 September 2026. This page previously said a non-illuminated sign of 6 sq ft or less needs no DOB permit. That threshold is not in the Zoning Resolution sections registered as this page's source: §32-642 through §32-645 were collected in full on 8 September 2026 (36,143 characters) and contain no six-square-foot figure and no DOB permit threshold. The claim has been removed rather than re-sourced — the permit question belongs to the Building Code, which this page does not cover and has not collected. Height, §32-655 (last amended 12/5/2024). Read from the ordinance on 15 September 2026 (8,782 characters): no permitted sign may extend above curb level higher than 25 ft in C1, C2, C3, C5-1, C5-2, C5-3 and C5-5; 40 ft in C4, C5-4, C6-1, C6-2, C6-3, C6-4, C6-6, C6-8, C6-9, C6-11, C6-12 and C7; and there is no restriction as to height in C6-5 and C6-7. The section carries no illumination-based exception. The 40 ft ceiling with a 58 ft allowance for non-illuminated or indirectly illuminated signs belongs to C8 alone, under §32-654 (last amended 12/15/1961, 8,693 characters). This page previously carried the C8 pair as a citywide rule; that is corrected. New source, 29 September 2026. The NYC Department of Buildings “Sign Permit Requirements” page is now registered as a source and read; the reading is stored verbatim at monitors/srccache/nyc_sign_permit_20260929.md. It carries the Construction Code §28-105.1 permit requirement, the SG / ALT / electrical filing routes, the §28-415.1 licensed Sign Hanger requirement with its exemptions, and the annual permit for illuminated signs projecting beyond the building line — all set out in the four sections above. It also carries the permit exemption for signs that are painted or smaller than six square feet and not illuminated, which this page removed on 8 September 2026 for want of a source: it is stated again above, cited to this DOB page rather than to the Zoning Resolution. That page states no permit fee amount and no review or processing time, so the new sections give neither.

Last inspected against the official code: June 2026 · confirm current rules with the city before you file