Demolition Contractor in Madison Square, NY

Pre-War Buildings Demand More Than a Sledgehammer

Madison Square’s building stock is old, landmarked, and layered with decades of materials that require more than muscle to remove safely. If you need a licensed demolition contractor who already knows what’s inside these walls and how to handle it you’re in the right place.
Green Island Group Corp demolishing an old house to clear land for redevelopment or new construction

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Nancy Marano Silva
Nancy Marano Silva
I needed a professional consultation explanation of procedure for safe removal of Asbestos in my apartment complex. Without having an account yet, I was very impressed with the caring, knowledgeable and generous advice offered by Jessica, and will look forward to doing business in the future. Thank you so much! I feel much more informed about a sometimes scary endeavor. Peace. Nancy Silva Mineola, NY.
Mia Munoz
Mia Munoz
Used this company to clean up some water flood in my house. They were fast and easy to work with.very professional, Would recommend to anyone!
Nini Valle
Nini Valle
Great company, had a flood and they responded quickly and efficiently. Billed my insurance company directly. I highly recommend this company!
joe colapietro, jr
joe colapietro, jr
I had pipe freeze in my basement right before a snow storm and they made to within an hour to help start the clean up process. They we by our side throughout the entire process and even helped with the insurance company. They did such a great job with the cleanup, repair, remidiation, I contracted them to perform the repairs and finishes in the basement. They came with enough manpower and material to get the job done. Leo and Jessica were nothing but a pleasure to deal with!!
Cristian Arredondo c
Cristian Arredondo c
I had some water damage in my home and Green Island was able to take care of my issue quickly and effectively. I am very pleased with the work they did. They responded quickly and were very professional.
Michael M
Michael M
Outstanding service! From the office to the field crew everyone was friendly, helpful and responsive. I highly recommend Green Island Group.
Green Island Group Corp performing certified asbestos abatement in Nassau County residential or commercial property

Licensed Demolition Services in Manhattan

Your Project Moves Forward No Stops, No Surprises

Most demolition delays in Madison Square don’t come from the work itself. They come from what’s discovered inside the walls of buildings that were constructed before 1987 asbestos in floor tiles, lead paint on plaster, hazardous materials tucked behind suspended ceilings that haven’t been touched in 40 years. When a contractor has to stop, call in a separate abatement company, and restart the permitting process, your timeline falls apart. That’s a common story in this neighborhood. It doesn’t have to be yours.

When we take on a demolition project near Madison Square Park, asbestos abatement, lead paint removal, and environmental remediation are all handled in-house. No subcontractors. No handoffs. No gaps in accountability. Your project keeps moving from the first permit filing to the last load out on one contract, with one team responsible for the whole thing.

That matters especially here. The Flatiron District and NoMad are in the middle of a massive wave of office-to-residential conversions, gut renovations in pre-war loft buildings, and commercial fit-outs for the tech and media companies that call this neighborhood home. The demand is real. The regulatory requirements are real. And the cost of a project stall in a market where every week of delay has a dollar figure attached to it is very real.

Demolition Specialists Serving Madison Square

340 NYC Demolition Projects. We've Seen These Buildings Before.

We’ve been doing demolition and environmental work across New York City for more than 12 years. Over 5,000 completed projects. More than 340 demolition jobs across all five boroughs. That’s not a number we throw around to sound impressive it’s context for what you’re actually getting when you hire us for a job in this neighborhood.

The buildings around Madison Square Park are some of the most architecturally complex and regulatory-intensive structures in the city. Cast-iron loft buildings from the 1880s. Beaux-Arts commercial towers. Pre-war residential co-ops where the board approval process alone adds layers to the timeline. We’ve worked in all of them. We know what the NYC Department of Buildings expects, what the DEP requires before a permit gets signed off, and what it takes to work within a building’s house rules without creating friction for other tenants or owners.

We’re headquartered in Bohemia, NY, and licensed to operate across all five New York City boroughs. MWBE certified. EPA and OSHA certified. Verifiable on the NYC DOB website which we encourage you to check.

Green Island Group Corp technicians performing professional de-bugging and pest control services

Commercial Demolition Contractors in NYC

From Permit Filing to Final Walkthrough Here's the Process

The first thing we do is assess the scope and the building. In Madison Square, that means pulling the building’s construction date, reviewing what materials are likely present, and determining whether an asbestos survey is required before DOB will issue a permit. For virtually every building in this neighborhood, the answer is yes and that survey needs to be completed by a DEP-Certified Asbestos Investigator before anything else moves forward. We coordinate that from the start so it doesn’t become a surprise later.

Once the asbestos assessment is complete and the ACP-5 or ACP-7 form is filed, we handle the full DOB permit application. If your building falls within the Ladies’ Mile Historic District or another designated area, we factor in the Landmarks Preservation Commission review timeline before we give you a project schedule. These aren’t details most contractors think about upfront. We do, because we’ve learned that not thinking about them upfront is exactly what causes delays.

From there, the work begins. Interior demolition, structural work, hazardous material removal all executed by our in-house crews under active permits. When the job is done, you get a clean site, documented compliance, and no loose ends with the city. We don’t hand you a bill and disappear. If there are final inspections or sign-offs required, we’re there for those too.

Chief of Green Island Group Corp leading professional remodeling and demolition services in Long Island

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Residential and Commercial Demolition in Manhattan

What's Included When You Work With Us in This Neighborhood

We handle the full range of demolition work that Madison Square property owners, developers, and building managers actually need. Interior demolition for gut renovations and office-to-residential conversions. Selective demolition for co-op and condo unit renovations where you’re removing a kitchen, a bathroom, or a series of non-structural walls. Partial and full structural demolition for development projects. And emergency demolition when a building has been damaged and needs to be secured fast.

Every project in this area comes with in-house asbestos abatement, lead paint removal, and environmental remediation as available services not referrals to third parties. We hold all required DEP certifications for hazardous material work and carry the insurance levels that Manhattan co-op boards and commercial property managers require. If your building has specific contractor requirements, let us know upfront and we’ll confirm compliance before we schedule anything.

We also understand that working in a neighborhood like this where Madison Square Park draws 60,000 visitors a day and Fifth Avenue and Broadway are never quiet means dust containment, access management, and neighbor communication aren’t afterthoughts. They’re part of how we plan every job from day one. Whether you’re a developer executing a floor-by-floor conversion or a homeowner doing a full unit gut, the process is the same: clean, compliant, and on schedule.

Green Island Group Corp technicians removing and cleaning asbestos roof materials with full protective gear

Do I need an asbestos survey before starting demolition in a Madison Square building?

Yes and this is one of the most important things to understand before you start any demolition or renovation project in this neighborhood. New York City requires an asbestos survey for all demolition and renovation work in buildings constructed before April 1, 1987. Since virtually every building in and around Madison Square was built well before that date many in the late 1800s and early 1900s this requirement applies almost universally here.

The survey must be completed by a DEP-Certified Asbestos Investigator, and the results are filed with the city on an ACP-5 form. If asbestos is found, an ACP-7 notification is filed and abatement must be completed before the Department of Buildings will issue your demolition permit. Skipping this step doesn’t just create legal exposure it can shut your project down entirely once work has started. We handle the survey coordination and all required DEP filings as part of our intake process, so you’re not navigating this alone.

The honest answer is that it depends on the scope of work and the building. For straightforward interior demolition in a non-landmarked building, DOB permit processing through the standard plan examination route typically takes two to four weeks after a complete application is submitted. Expedited review options exist but come with additional fees.

If your building is in the Ladies’ Mile Historic District which covers a significant portion of the Flatiron area immediately surrounding Madison Square any exterior work also requires a Certificate of Appropriateness from the Landmarks Preservation Commission before the DOB will issue your permit. That review adds time to the process, and the timeline varies depending on the complexity of the proposed work. We factor all of this into the schedule we give you before the project starts, so you’re not hit with timeline surprises after you’ve already committed to a contractor.

Interior demolition means removing the non-structural elements inside a building walls, ceilings, flooring, fixtures, mechanical systems, and finishes while leaving the building’s structural frame intact. This is the most common type of demolition work in Madison Square, where the majority of projects involve gut renovations of existing pre-war buildings rather than tearing structures down entirely. Office-to-residential conversions, luxury condo gut-outs, and commercial fit-outs all typically fall into this category.

Full structural demolition means taking the entire building down to the ground, which triggers a more extensive DOB permitting process, requires Site Safety Manager credentials for taller buildings, and involves coordination with utilities, neighboring property owners, and in some cases the FDNY. In a neighborhood as dense as Madison Square where buildings share party walls and the streets are never empty full structural demolition requires detailed planning and a contractor with real urban demolition experience. We handle both, and we’ll tell you upfront which category your project falls into and what that means for your timeline and budget.

Almost certainly yes. Manhattan co-op and condo buildings and there are many in the residential blocks surrounding Madison Square Park typically have their own set of contractor requirements that go beyond what the city mandates. These usually include minimum liability insurance levels (often $2 million or more per occurrence), workers’ compensation coverage, proof of NYC DOB licensing, and sometimes specific OSHA certifications for all workers on site.

Beyond insurance and licensing, most buildings have house rules around work hours (typically 8 a.m. to 5 p.m. on weekdays only), elevator usage, dust and debris containment, and how materials are moved through common areas. Some buildings require a pre-work walkthrough with the superintendent before any demolition begins. We’re familiar with these requirements and carry the documentation that Manhattan co-op boards ask for. If you share your building’s alteration agreement with us before we start, we’ll review it and confirm compliance before we schedule the first day of work.

For a full interior gut of a residential unit in a Manhattan pre-war building stripping everything down to the structural walls, floors, and ceiling you’re generally looking at somewhere between $15,000 and $50,000 depending on the size of the unit, the complexity of the existing buildout, and what hazardous materials are present. Asbestos abatement and lead paint removal, if required, are additional line items that vary based on the extent of contamination found during the survey.

For commercial interior demolition office floors, retail spaces, or multi-floor conversion projects pricing is typically quoted per square foot and ranges from $12 to $25 per square foot for mid-to-large scale projects in this market. The most important thing we can tell you about cost is this: the biggest budget risk in Madison Square is not the demolition itself. It’s discovering asbestos or lead paint mid-project with a contractor who isn’t equipped to handle it in-house. That’s what turns a predictable project into an expensive one. We price asbestos abatement into our estimates upfront when the survey indicates it’s likely, so you have a realistic number before work begins.

Yes. We’re available 24 hours a day, seven days a week for emergency demolition situations and in a neighborhood full of aging pre-war buildings, those situations are not uncommon. A parapet failure on a Broadway commercial building, structural damage from a burst pipe in a NoMad loft, fire damage that leaves a portion of a building unsafe these are the kinds of scenarios that require immediate response, not a callback two days later.

When you call us for an emergency, we respond within the hour. We assess what needs to come down to secure the structure, coordinate with the DOB for emergency permit authorization when required, and mobilize our crew to the site. We understand that in a neighborhood where a closed building means displaced tenants, lost revenue, and active liability, the speed of that response matters as much as the quality of the work. Our clients have documented that we show up when we say we will and that’s not something we take lightly.