Work In Progress Signs NYC

Select your options, upload your artwork files & place an order. We will send you a proof & confirmation before printing.

*Quantity

*Sign Type:

Site Frontage:

Complited By:

Of Year:

Upload Files:

Select file(s) (max file size 256 MB)

Description

Work In Progress Signs NYC: What Every Building Owner and Contractor Needs to Know

If you’ve walked past a construction site anywhere in New York City, you’ve seen it: a sign posted near the entrance displaying the property address, permit number, and the words “Work In Progress.” It looks straightforward — and it is — but failing to display a compliant NYC DOB work in progress sign can stop a job cold, trigger a violation, and cost far more than the sign itself ever would.

This guide covers everything you need to know about work in progress signs in NYC: why they’re legally required, exactly what information the NYC Department of Buildings mandates, standard sizes, and where to get compliant signs printed quickly in the five boroughs.

What Is a Work In Progress Sign in NYC?

A work in progress sign — sometimes called a WIP sign or a NYC DOB site identification sign — is a placard required by the New York City Department of Buildings on any active construction or demolition site. Its purpose is twofold: it identifies the permitted work being performed and provides accountability information for city inspectors, adjacent property owners, and the public.

The requirement is codified under NYC Building Code Section 3301.9 and applies to virtually all permitted construction work in the city, from gut renovations in Brooklyn brownstones to major commercial builds in Midtown Manhattan.

💡 From the field: DOB inspectors check for WIP sign compliance on first-visit inspections. A missing or non-compliant sign is a citable offense — even if the actual construction work is proceeding perfectly.

NYC DOB Work In Progress Sign Requirements

The DOB is specific about what must appear on a compliant sign. Getting any of these wrong — missing a field, using the wrong format — can result in a violation.

Required Information on the Sign

Owner name and address — The property owner or developer, not the contractor
General contractor name and phone number
Architect or engineer of record — Name and license number
Building permit number(s) — As issued by the DOB
Property address — Full address of the job site
"Work In Progress" designation — Must appear prominently on the sign

Sign Placement Rules

The sign must be:

💡 Pro note: "Legible" is a DOB enforcement term. A sign that's faded, torn, or obscured by scaffolding tarp can still generate a violation. Replace signs before they deteriorate.

Standard Sizes for NYC Work In Progress Signs

While the DOB specifies required content, there is no single mandated dimension for work in progress signs in NYC. In practice, the following sizes have become standard across the industry:

Size	Common Use	Notes
18" x 24"	Residential renovations, small sites	Minimum practical size for all required text
24" x 36"	Mid-size residential and commercial	Most common size across NYC job sites
36" x 48"	Large commercial, multi-family	Preferred for high-visibility sites and scaffolding
48" x 96"	Major construction, high-rise	Required on some large-scale DOB permits

While the DOB specifies required content, there is no single mandated dimension for work in progress signs in NYC. In practice, the following sizes have become standard across the industry:

Material and Durability: What Your WIP Sign Should Be Printed On

NYC construction sites are outdoor environments. Rain, wind, UV exposure, and contact with scaffolding and heavy equipment mean that a paper or thin cardstock sign will not last through a multi-month project. The DOB requirement that signs remain “legible” throughout the permitted work makes material selection a compliance issue, not just an aesthetic one.

Recommended Materials for NYC DOB Signs

Coroplast (corrugated plastic), 4mm or 6mm: The most common material for WIP signs in NYC. Lightweight, waterproof, and durable enough for 12–24 month projects.
Dibond (aluminum composite): Premium option for longer projects or high-visibility sites. Rigid, weather-resistant, professional appearance.
PVC board (Sintra), 3mm–6mm: Rigid plastic, excellent print quality, suitable for indoor and outdoor use.
Vinyl banner with grommets: Lower cost option for shorter-duration permits. Must be kept taut and replaced if it tears or fades.

💡 Avoid paper or foam core signs entirely. An inspector who sees a deteriorated or unreadable sign — regardless of the material — can issue a violation.

Common Violations Related to Work In Progress Signs

The NYC DOB issues violations for WIP sign non-compliance more frequently than most contractors expect. Common citation triggers include:

Missing sign entirely: The most cited offense. Inspectors verify on first visit.
Incomplete information: Any required field missing — commonly the architect's license number or the permit number.
Illegible sign: Faded, torn, or obscured signage.
Wrong permit number: Sign not updated when a new or amended permit was issued.
Blocked from public view: Sign posted inside the site fence rather than facing the street.

Violation fines vary based on the offense class, but even a Class 2 (immediately hazardous) classification — which can apply to site identification failures on certain project types — carries fines that start at $1,000 per day. The cost of a compliant sign is a fraction of a single day’s penalty.

How to Get Work In Progress Signs Printed in NYC — Fast

Most construction timelines don’t allow for a week-long print turnaround. Permits get issued, work begins, and the sign needs to be posted before the first DOB inspection — which can happen with little notice.

What to Look for in a NYC Sign Printer

Same-day or next-day turnaround capability
Familiarity with DOB sign format requirements
Rigid substrate options (Coroplast, Dibond, PVC)
In-house large format printing — no outsourcing to third parties
Located in or easily accessible from NYC's five boroughs

Industri Designs, based at 175 Varick Street in Manhattan, specializes in NYC construction and site signage including work in progress signs, no parking construction signs, and building permit placards. All signs are printed on durable rigid substrates and can be turned around same day or next day depending on order volume.

NYC DOB Work In Progress Sign vs. No Parking Construction Sign: Know the Difference

These two signs are related but distinct. The work in progress sign identifies the permitted work and responsible parties. The no parking construction sign — also called a Temporary No Parking sign — is a separate requirement when a construction project requires use of the street, sidewalk, or curb lane.

Many NYC construction projects require both. If your project includes a sidewalk shed, crane operation, material deliveries, or dumpster placement in the street, you will likely need to post temporary no parking signs in addition to your WIP sign. These require separate DOT coordination and specific posting timelines.

Frequently Asked Questions About Work In Progress Signs NYC

Do I need a WIP sign for a residential renovation in NYC?

Yes. Any work performed under a DOB permit requires a work in progress sign posted at the job site. This includes interior renovations, plumbing and electrical work that requires permitting, and exterior work such as window replacement or facade repair.

Can I print my own WIP sign?

Technically yes, as long as the sign contains all required information and is legible and durable. In practice, professionally printed signs on rigid substrates are the standard — they hold up better over time, look more professional to inspectors, and are less likely to generate a “legibility” violation over the course of a long project.

What happens if my WIP sign information changes mid-project?

You are required to update the sign if any material information changes — particularly permit numbers, contractor of record, or owner information. Keep a supply of sign blanks or maintain a relationship with a local printer who can turn around replacements quickly.

How long does a WIP sign need to stay posted?

For the full duration of the permitted work — from the time the permit is active until the final sign-off or certificate of occupancy is issued. Do not remove the sign until the DOB formally closes the permit.

Bottom Line

A work in progress sign in NYC is not a formality — it’s a legal requirement with real enforcement consequences. The sign is one of the first things a DOB inspector looks for on any site visit, and a missing or non-compliant placard can trigger a violation before an inspector ever sets foot inside the building.

The good news: compliance is straightforward. Know what fields are required, post the sign at the entrance facing the street, use a durable substrate, and keep it legible for the full duration of the permitted work.

If you need a NYC DOB work in progress sign printed fast — same day or next day on Coroplast, Dibond contact Industri Designs at 175 Varick Street, Manhattan. We print construction signs for NYC contractors, developers, and property managers across all five boroughs.