Demolition Contractor in Brentwood, NY

Brentwood's Older Homes Deserve a Demolition Team That Knows What's Inside Them

Most homes in Brentwood were built in the 1950s and 60s and what’s behind those walls matters before any demolition contractor swings a tool. We handle the full scope: asbestos survey, abatement, permits, and demolition, without stopping your project halfway through.
Green Island Group Corp demolishing an old house to clear land for redevelopment or new construction

See What Our customers Are saying

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 Brentwood

Your Project Moves Forward No Surprises, No Stops

When you hire a demolition contractor in Brentwood, you’re not just hiring someone to knock things down. You’re hiring someone who understands that your home was probably built during the asbestos era, that the Town of Islip has its own permit process, and that one missing step can shut your entire project down before it starts.

The housing stock in Brentwood is dense, older, and heavily used. Families have lived in these homes for decades, modified them over the years, and layered materials on top of materials. That history means there’s a real chance of asbestos in the floor tiles, the pipe wrap, the textured ceilings and New York State now requires a certified survey before any demolition can legally proceed, regardless of when your home was built.

What you get when that’s all handled in-house is momentum. No waiting on a separate abatement company. No project stalls while you coordinate between contractors. No surprise costs that show up after work has already started. Just a clear scope, a real timeline, and a team that knows exactly what we’re walking into on a central Suffolk County job site.

Demolition Specialists Serving Brentwood, NY

Based Eight Miles Away Not Eight States Away

We’re headquartered in Bohemia, NY about eight miles east of Brentwood along the LIE. That proximity isn’t just a detail on a map. It means the team showing up to your Brentwood property has worked in central Suffolk County consistently, knows the Town of Islip’s building department, and understands the specific conditions of the homes and commercial properties in this area.

With over 12 years in business and more than 5,000 completed projects across Long Island and New York City, this isn’t a company figuring things out on your job site. Our experience covers residential gut-outs, full structural teardowns, commercial strip-outs, and everything in between including the environmental work that most demolition contractors can’t handle on their own.

We also hold MWBE certification and carry $2,000,000+ in general liability insurance. For Brentwood homeowners and commercial property owners in the Edgewood and Heartland Business Center area, that combination of credentials, proximity, and integrated capability is difficult to find from a single contractor.

Industrial blowers used by Green Island Group Corp for water damage and flood restoration drying process

Brentwood Demolition Process, Start to Finish

No Guesswork Here's Exactly How Your Brentwood Demolition Gets Done

It starts with an assessment. Before any permit is pulled or any work begins, we evaluate the full scope of your project what’s being demolished, what materials are present, and whether asbestos or lead paint testing is required. In Brentwood, where the majority of homes were built before 1978, that testing step is almost always part of the process. It’s not optional under New York State law, and it’s not something you want to discover mid-project.

Once the assessment is complete, we manage the permit application directly with the Town of Islip Building Department. That includes coordinating the certified asbestos survey, verifying utility disconnections with PSEG Long Island, and submitting the required documentation before a single wall comes down. If asbestos-containing materials are found, we handle abatement in-house same team, same project, no handoff to a subcontractor.

Demolition begins once everything is cleared and permitted. Whether it’s a full teardown, a selective interior gut, or structural removal for a renovation, our crew works to a defined scope with debris removal included. When the job is done, you’re left with a clean, cleared site ready for whatever comes next. No open loops, no lingering questions about what was found or how it was handled.

Certified asbestos experts from Green Island Group Corp conducting safe abatement in Nassau County, NY

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Residential and Commercial Demolition in Brentwood

Full-Scope Demo With the Environmental Work Already Built In

We handle both residential and commercial demolition in Brentwood and the two sides of that work look pretty different here. On the residential side, you’re mostly dealing with post-war homes on tight lots in neighborhoods like East Brentwood, where ranch-style houses and split-levels have been modified and renovated over the decades. These properties often require selective interior demolition, full gut-outs for major renovations, or complete teardowns when a structure has reached the end of its useful life. Given the age of the housing stock in Brentwood, asbestos abatement and lead paint compliance are built into the scope from day one not treated as separate line items that show up later.

On the commercial side, the Edgewood area and Heartland Business Center within Brentwood’s 11717 ZIP code generate a steady stream of interior strip-outs, facility conversions, and site preparation work as tenants change and buildings get repurposed. Commercial demolition in this zone involves different permit requirements and more complex hazmat considerations than residential work, and our licensing covers both.

For property owners dealing with water or fire damage a real concern in Brentwood given the Town of Islip’s documented flash flood vulnerability we’re available 24 hours a day, seven days a week. Emergency response means showing up fast, documenting the damage thoroughly for your insurance claim, and starting the demo work that has to happen before any restoration can begin. That insurance documentation piece has made a measurable difference for Brentwood homeowners navigating claims.

Green Island Group Corp renovating and restoring brick wall for structural integrity and aesthetic improvement

Do I need an asbestos test before demolition on my Brentwood home?

Yes and this applies regardless of when your home was built. New York State clarified in September 2025 that an asbestos survey is required before any demolition, even in buildings constructed after 1974. In Brentwood, where the overwhelming majority of homes date to the 1950s through the 1970s, the likelihood of finding asbestos-containing materials is genuinely high. Floor tiles, pipe insulation, textured ceilings, roofing materials, and joint compounds from that era routinely contained asbestos.

The survey must be conducted by a certified NYS asbestos inspector not just any contractor. If asbestos is found above threshold quantities, abatement must be completed by a licensed contractor before demolition proceeds, and a USEPA NESHAP notification must be submitted to the NYS DEC. We handle the survey, abatement, and all required notifications in-house. You don’t need to find a separate company or manage the handoff yourself.

Brentwood is a hamlet within the Town of Islip, so all demolition permits are processed through the Town of Islip Building Department not a separate village government. The process requires a permit application, a certified asbestos survey completed before the permit is finalized, and verified documentation that utilities have been disconnected. That means coordinating with PSEG Long Island for gas and electric shutoffs, and confirming water and sewer disconnections with the relevant municipal authority.

It’s not a complicated process if you know the steps, but it’s easy to miss something if you haven’t done it before and a missing document can delay your start date by weeks. We manage the entire permit process for every demolition project in Brentwood. Our team submits the application, coordinates the required inspections, and tracks the approval so you’re not spending your evenings chasing paperwork at the Town of Islip offices on Veterans Memorial Highway.

Demolition costs in Brentwood vary based on the size of the structure, the type of demolition full teardown versus selective interior and whether hazardous materials like asbestos or lead paint are present. For a typical residential teardown of a post-war ranch or cape cod in Brentwood, you’re generally looking at a range that factors in the permit fee, utility disconnections, the asbestos survey, abatement if required, the physical demolition, and debris removal. Getting a quote that includes all of those components upfront is the only way to plan accurately.

What drives costs up unexpectedly is when asbestos or lead paint is discovered after work has already started usually because the contractor didn’t scope it properly at the beginning. In Brentwood’s housing stock, those materials are common enough that they should be assumed until proven otherwise. We scope the full project before quoting, so the number you get reflects what the job actually involves, not just the easy part of it.

Yes and in Brentwood specifically, this is more common than most homeowners expect. The Town of Islip has documented flash flood vulnerability, and Brentwood’s older homes many with aging basements, original drainage systems, and uninsulated crawl spaces are susceptible to water intrusion from heavy rainfall events and pipe failures. When water damage is severe enough, structural demolition of affected drywall, framing, and flooring has to happen before remediation and restoration can begin. Waiting even a few days increases mold risk significantly.

We operate 24 hours a day, seven days a week for exactly these situations. Our team responds quickly, documents the damage in detail for your insurance claim, and begins the demolition work that clears the way for restoration. That documentation piece matters insurance adjusters require specific evidence of the damage scope, and having a contractor who understands that process can meaningfully affect how your claim is settled.

Full demolition means the entire structure comes down foundation included or left in place depending on the project and the site is cleared for new construction or other use. Selective interior demolition, sometimes called a gut-out, means removing specific elements inside an existing structure: walls, ceilings, flooring, fixtures, or mechanical systems, while leaving the exterior shell and structural frame intact. This is common in Brentwood for homeowners doing major kitchen or bathroom renovations, basement conversions, or reconfiguring layouts in older homes that weren’t built with modern living in mind.

Both types of work require permits from the Town of Islip and both trigger the asbestos survey requirement under New York State law. The scope of the survey and abatement work differs a full teardown involves a more comprehensive assessment than a targeted interior gut but neither type of project can legally proceed without it. We handle both scopes and will walk you through which approach fits your specific project before any work begins.

The Edgewood area and Heartland Business Center within Brentwood’s 11717 ZIP code operate under different requirements than residential demolition. Commercial projects in this zone typically involve interior strip-outs when tenants change, selective demolition for facility reconfigurations, or site preparation for redevelopment. The permitting process runs through the Town of Islip Building Department just as it does for residential work, but the scope of hazmat assessment, the insurance requirements, and the documentation standards are more involved.

We hold MWBE certification, which is relevant for businesses with public contract compliance requirements or state agency relationships a common factor for commercial operators in Suffolk County. We carry $2,000,000+ in general liability coverage and maintain all required NYS and USEPA licensing for commercial demolition and asbestos abatement. If you’re a property owner or tenant in the Edgewood zone planning a facility change, the process starts with a site assessment and a clear scope not a vague estimate that leaves room for cost escalation once work is underway.