Demolition Contractor in Mastic Beach, NY

When Sandy's Still in the Walls, You Need More Than a Demo Crew

Most demolition contractors will show up, swing a sledgehammer, and hand you a problem when something unexpected turns up. In Mastic Beach, something unexpected almost always turns up. We handle the whole thing demo, asbestos, mold, permits without stopping the clock.
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

Residential Demolition Services in Mastic Beach

No Stoppage, No Subcontractors, No Surprises

Here’s what most homeowners in Mastic Beach don’t find out until it’s too late: the contractor they hired for demolition isn’t licensed to handle what’s actually inside the walls. The project stalls. A second company gets called in. The timeline doubles. And the homeowner is stuck in the middle, managing two crews and two invoices while their project sits half-finished.

That scenario is avoidable. When you work with a contractor who handles asbestos abatement, mold remediation, and demolition under the same license and the same crew, the project keeps moving regardless of what turns up. In a community where the median home was built in 1971, and where a significant portion of the housing stock dates back before 1949, the odds that something will turn up are not low. They’re near certain.

Mastic Beach also carries a specific kind of damage that most demolition companies aren’t built to handle the slow, chronic moisture damage that follows years of flood exposure. Properties that took on water during Sandy and never fully dried out don’t just need demolition. They need mold assessment, structural evaluation, and a contractor who understands what a decade of high groundwater and coastal humidity does to a wood-frame house. That’s a different job than a typical interior demo, and it requires a different level of preparation.

Licensed Demolition Contractors Serving Mastic Beach

Suffolk County-Based, With 5,000 Projects Behind Us

We’re headquartered in Bohemia, NY about 20 miles from Mastic Beach along Sunrise Highway and William Floyd Parkway. That’s not a detail we throw in to sound local. It means we operate in the same regulatory environment you do. We know the Town of Brookhaven’s Building Department. We know what Suffolk County’s Department of Health Services requires for projects near sensitive waterways like the Forge River. We know what FEMA flood zone compliance looks like on a real project, not just on paper.

Over 12 years and more than 5,000 completed projects across Long Island and New York City, we’ve built a reputation around one thing: not stopping when the job gets complicated. We hold active NYS Department of Labor asbestos contractor certification, carry $2,000,000+ in general liability coverage, and are MWBE-certified for state and municipal work. When you call us, a real person answers and that’s been true at 2 a.m. during a nor’easter, according to more than one customer who found out the hard way.

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

How the Demolition Process Works in Mastic Beach

What Actually Happens From Your First Call to a Clear Site

The first step is a site assessment not a quick walkthrough, but a thorough evaluation of what the structure contains, what condition it’s in, and what the project actually requires before we quote a number. In Mastic Beach, that means looking specifically for asbestos-containing materials: floor tiles, pipe insulation, boiler wrap, ceiling texture, joint compound. New York State Industrial Code Rule 56 requires a certified asbestos survey before any demolition or renovation that could disturb these materials. That’s not optional, and any contractor who skips it is putting you at legal and financial risk.

Once the assessment is complete, we handle the permit process with the Town of Brookhaven’s Building Department including any notifications required under NYS ICR 56 and federal NESHAP regulations for asbestos. If your property is in an AE or VE flood zone, we factor FEMA elevation compliance into the scope from the beginning, not after the fact. Utility disconnections electric, gas, water, and septic coordination for properties connecting to the new Mastic-Shirley sewer system are coordinated before any physical work begins.

The demolition itself is executed by our own licensed crew. If asbestos or mold is found, abatement happens in-house without a project stoppage. When the structure is down, we handle debris removal and site preparation so the property is clean, cleared, and ready for whatever comes next. You get one point of contact, one timeline, and a clear picture of where things stand throughout.

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

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Demolition Specialists in Mastic Beach, NY

Everything the Job Actually Requires Handled by One Crew

Demolition in Mastic Beach isn’t a single-trade job. The community’s housing stock, its flood history, and its active revitalization under the Mastic Beach Neighborhood Road Revitalization Area plan all mean that a straightforward teardown rarely stays straightforward. What looks like a simple interior gut on Riviera Drive or Huguenot Drive often involves asbestos floor tiles, mold behind flood-damaged drywall, and permit requirements that span multiple agencies. The service you need isn’t just a demolition crew it’s a contractor who can handle every layer of the job without handing it off.

We provide full residential and commercial demolition services, interior selective demolition, and complete structural teardowns. Every project includes pre-demolition hazmat assessment, permit acquisition and management through the Town of Brookhaven, in-house asbestos abatement if required under NYS ICR 56, mold remediation where moisture damage is present, debris removal, and site preparation. For commercial property owners and developers working within the active revitalization corridor near Neighborhood Road, Commack Road, and the Mastic Road commercial core our MWBE certification means we’re eligible for publicly funded project work that most local contractors cannot access.

If your project is insurance-triggered storm damage, flood damage, or a structure that’s been compromised since Sandy we work directly alongside you and your insurance carrier. We help document damage, support the claims process, and keep the physical work moving so your payout timeline and your project timeline stay aligned.

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

Do I need a permit to demolish a house in Mastic Beach, NY?

Yes any structural demolition in Mastic Beach requires a building permit through the Town of Brookhaven’s Building Department. This applies whether you’re taking down a full structure or doing a significant partial demolition. The permit process involves submitting project documentation, and for any work that could disturb asbestos-containing materials which is virtually every project in a community where the median home was built in 1971 New York State Industrial Code Rule 56 also requires a certified asbestos survey and notification before work begins.

If your property sits in a FEMA-designated AE or VE flood zone, which covers a meaningful portion of Mastic Beach’s residential streets, there are additional compliance requirements around elevation and flood-resistant construction that factor into the demolition and rebuild scope. Skipping or rushing the permit process in Brookhaven doesn’t save time it creates stop-work orders, fines, and delays that cost far more than doing it right from the start. We manage the entire permit process on your behalf so you’re not chasing paperwork across multiple agencies.

If asbestos is identified during a pre-demolition survey which is required by New York State law before any renovation or demolition that could disturb potential asbestos-containing materials work on the affected area must stop until abatement is completed by a licensed asbestos contractor. This is where most demolition projects in Mastic Beach run into trouble: the demolition contractor isn’t licensed for abatement, so they stop work, call a separate company, and your project sits idle while you coordinate between two crews.

We hold active NYS Department of Labor asbestos contractor certification. When asbestos is found and in a community with Mastic Beach’s housing stock, it’s found more often than not abatement happens in-house, without a project stoppage, and without a second contractor entering the picture. The asbestos is properly contained, removed, and disposed of in compliance with NYS and federal requirements, and then demolition continues on the same timeline. You don’t pay the cost of a stalled project, and you don’t spend weeks trying to coordinate two separate schedules.

Demolition costs in the Mastic Beach area vary based on the size of the structure, the scope of the work, and what’s found during the pre-demolition assessment. For a standard residential demolition in the Shirley and Mastic Beach area, baseline estimates typically start in the range of $539–$804 for smaller-scope work, with full residential teardowns running significantly higher depending on square footage, hazmat findings, and site conditions.

The factors that most commonly affect cost in Mastic Beach specifically are asbestos abatement (required when asbestos-containing materials are present, which is common in pre-1980 homes), mold remediation for properties with chronic moisture or flood damage history, and FEMA flood zone compliance requirements for properties in AE or VE zones. The most reliable way to get an accurate number is a site assessment before any quote is finalized a contractor who quotes you over the phone without seeing the property is guessing, and that guess almost always changes once the work starts. We provide detailed, scope-based estimates so you know what you’re paying for before anyone picks up a tool.

Yes and if your project is storm or flood-related, having a contractor who understands the insurance process is genuinely useful, not just a nice bonus. A significant portion of demolition projects in Mastic Beach are insurance-triggered. Properties that sustained damage during Sandy and never fully recovered, homes that have taken on water repeatedly due to the area’s low elevation and high groundwater table, structures damaged by nor’easters these projects often involve an active insurance claim running alongside the physical work.

We have a documented track record of working directly with homeowners and their insurance carriers. That means helping document the damage thoroughly, providing the kind of detailed scope documentation that supports a claim, and coordinating the physical work so your project timeline and your insurance payout timeline don’t end up pulling in opposite directions. If you’re managing a claim and a project at the same time, that kind of coordination matters more than most people realize until they’re in the middle of it.

Interior demolition sometimes called selective demolition involves removing specific components inside a structure while keeping the shell intact. That might mean taking out walls, flooring, ceilings, cabinetry, or mechanical systems as part of a renovation. Full structural demolition means taking the entire building down to the foundation or slab. Both require permits through the Town of Brookhaven, and both require a pre-demolition asbestos assessment under NYS ICR 56 if the structure was built before 1980.

In Mastic Beach, interior demolition is common in renovation projects where homeowners are updating older bungalows or ranch-style homes the dominant housing type in the community. Full structural demolition is more common in cases involving severe flood damage, properties flagged under the Town of Brookhaven’s Chapter 73 enforcement for unsafe structures, or teardown-and-rebuild projects driven by the area’s active revitalization. The right approach depends on the condition of the structure, the project goals, and what the pre-demolition assessment reveals. We walk through that with you during the initial site visit so there are no surprises about scope or cost.

Under Chapter 73 of the Town of Brookhaven’s Town Code, the town has the authority to demolish unsafe or blighted structures and place a lien on the property to recover the cost. Mastic Beach has been one of the most active areas for this program the town has demolished multiple Sandy-damaged structures along streets like Grove Road, Overlook Drive, Huguenot Drive, and Riviera Drive over the past several years, with demolitions continuing as recently as September 2025.

If you own a property in Mastic Beach that has been cited for structural issues, flood damage, or code violations, you have the option to hire a licensed private contractor and handle the demolition yourself which typically gives you more control over the timeline, the scope, and the cost than waiting for the town to act. A town-initiated demolition under Chapter 73 results in a lien against your property, and the town’s cost recovery is not capped at the lowest market rate. Hiring your own licensed demolition contractor, managing the permits through Brookhaven’s Building Department, and completing the work proactively is almost always the more cost-effective path and it keeps the decision-making in your hands.