Water Damage Restoration in Uniondale, NY

When Uniondale's Aging Homes Meet Water, Speed Matters More Than You Think

When a 1950s foundation lets water in, every hour counts. We respond fast, dry it right, and handle your insurance claim — so you’re not left dealing with this alone in Uniondale.

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.

Water Damage Repair in Nassau County

What Changes When the Water Is Actually Gone

Most homeowners think the hard part is over once the visible water is cleaned up. It’s not. In Uniondale’s older housing stock — where the majority of homes were built in the 1950s — water doesn’t just sit on the floor. It travels. It wicks into wall cavities, soaks through original block foundations, and settles under subfloors that look and feel completely dry from above. By the time you see a problem, it’s usually been there for a while.

What professional water damage restoration actually gives you is certainty. Moisture readings that confirm your home is dry — not just dry-looking. Structural drying that accounts for how a mid-century Uniondale home is actually built, not a generic checklist applied the same way regardless of what’s in front of the technician. That distinction matters more here than it does in newer construction, because a 70-year-old home has a lot more places for water to hide.

The other thing it gives you is a clean path through the insurance process. Most water damage from sudden, accidental causes — a burst pipe, a failed sump pump, an appliance leak — is covered under standard homeowners insurance. But getting a fair settlement requires documentation, communication with adjusters, and a restoration company that knows how to present the scope of damage accurately. That’s a big part of what you’re hiring us for, and it’s something we handle on your behalf.

Local Water Restoration Companies in Uniondale

Long Island Roots, Not a Franchise Routing Your Call Somewhere Else

We’re a Long Island-based water damage restoration company — not a franchise brand with a local operator attached to a national call center. When you call, you reach the team doing the work. That’s not a small thing when you’re dealing with a flooded basement off Uniondale Avenue at midnight during a spring storm.

We have real, documented service history throughout Uniondale and Nassau County. That means familiarity with how homes in this area are actually built — the flat Hempstead Plains drainage conditions, the aging block foundations common to post-war construction in Uniondale, the sump pump setups that get pushed hardest during exactly the storms when they’re most likely to fail. This isn’t general Long Island knowledge. It’s specific to what Uniondale homeowners face.

We carry full IICRC certification, hold the New York State Department of Labor licenses required under the state’s Mold Law, and work directly with all major insurance carriers. Our work is done right, it’s documented correctly, and it holds up — to your insurance company, to a future home inspector, to anyone who looks at it later.

Green Island Group Employees

Emergency Water Removal Process in Uniondale

From the First Call to Dry Walls — Here's What Actually Happens

The first call triggers a response, not a callback window. Our crew with submersible pumps, truck-mounted extraction units, and drying equipment heads to your Uniondale address — our goal is to be on-site within the hour. The faster standing water is removed, the less it migrates into the structure, and in a home built in the 1950s, that migration can happen fast.

Once extraction is complete, the real assessment begins. We use thermal imaging cameras and calibrated moisture meters to map exactly where water has traveled — inside walls, beneath flooring, through insulation between floor joists. This step is what separates a job done right from one that looks finished but leaves hidden moisture behind. In Uniondale’s older homes, skipping this step is how mold ends up growing inside a wall three weeks after a company has packed up and left.

From there, we set up industrial air movers and desiccant dehumidifiers and monitor them until moisture readings across the entire affected area fall within safe thresholds. If structural repairs are needed — drywall, framing, flooring — we pull the proper building permits through the Town of Hempstead Building Department, because unpermitted restoration work creates real problems when you sell or file a claim. Throughout the entire process, we handle documentation and direct communication with your insurance carrier, so you’re not left translating between a restoration crew and an adjuster on your own.

Man using a hammer while performing ceiling repair or construction work.

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Water Damage Restoration Service in Uniondale, NY

Every Scope of Damage Gets the Full Process — Not a Partial Fix

Water damage restoration in Uniondale covers a wide range of situations — and our response has to match what’s actually in front of the crew. A burst galvanized pipe in a 1952 Cape Cod is a different job than a sump pump failure that’s been running water into a finished basement for six hours. Both get the same standard: full extraction, complete moisture mapping, structural drying to IICRC S500 benchmarks, and documentation that supports your insurance claim from start to finish.

For Uniondale specifically, sump pump failure flooding is one of the most common calls we handle. The flat terrain of the Hempstead Plains means that when Nassau County gets hit with heavy rain — the kind that comes with nor’easters or late-summer tropical systems — the ground saturates fast and water presses hard against aging foundations. Homes that were retrofitted with sump pumps decades ago are running old equipment under peak load conditions. When that pump fails, water accumulates quickly, and our response has to match that pace.

Sewage backup situations — Category 3 water damage — are handled with full containment protocols, proper PPE, and disposal procedures that meet Nassau County health and environmental requirements. Mold remediation, when required, is performed under our New York State Department of Labor mold remediation license — the separate licensing that state law requires and that many operators in Nassau County simply don’t hold. If mold is found, we address it correctly, not paint over it.

Green Island Group Corp fleet of trucks ready for construction, demolition, and restoration services

How quickly can a water damage company reach my Uniondale home?

For most addresses in Uniondale, our target is on-site within 60 minutes of the call. The hamlet covers just 2.71 square miles and sits centrally within Nassau County, which means response times here are genuinely fast — not a marketing claim based on ideal conditions.

That said, the speed of the response matters for a specific reason: mold can begin growing within 24 to 48 hours of water intrusion, and in Nassau County’s humid environment, that window can close faster than most people expect. The difference between a call placed at midnight and one placed at 8 a.m. shouldn’t be the difference between a contained restoration job and a mold remediation project. We maintain 24/7 emergency availability with fully equipped vehicles — not an answering service that takes a message until morning.

In most cases, yes — sudden and accidental water damage from a burst pipe is covered under standard homeowners insurance policies. This includes pipe failures, appliance leaks, and certain types of roof leaks. What’s typically not covered is flooding from outside the home — groundwater, storm surge, or surface water coming in — which requires separate flood insurance through the National Flood Insurance Program.

For Uniondale homeowners, the more common coverage question involves sump pump failure. Whether that’s covered depends on your specific policy and whether you have a water backup endorsement. Many standard policies exclude it unless that rider has been added. The documentation we provide — moisture readings, thermal imaging reports, a complete scope of damage — is exactly what insurance adjusters need to process a claim efficiently. We handle direct communication with your carrier so the claim reflects the actual scope of the damage, not a lowball first assessment.

You usually can’t tell by looking. In Uniondale’s post-war housing stock, water that enters through a foundation or from a failed sump pump doesn’t stay in one place — it follows the path of least resistance through block walls, along floor framing, and into insulation that can hold moisture for weeks without showing any visible sign on the surface. A basement that looks dry two days after a flood can have saturated wall cavities and wet insulation behind the drywall.

The only reliable way to know is with calibrated moisture meters and thermal imaging cameras. Thermal imaging shows temperature differentials that indicate where moisture is present inside walls and under flooring — areas that look completely normal to the eye. We map moisture throughout the entire affected area before drying begins and monitor readings until every measurement falls within safe thresholds. That process is what prevents the mold discovery that shows up three weeks later during a renovation.

It depends on the scope of the work. Water extraction, drying, and moisture remediation typically don’t require a permit on their own. But if the restoration involves structural repairs — replacing drywall, repairing or replacing framing, installing new flooring over a damaged subfloor — those repairs require a building permit from the Town of Hempstead Building Department. Uniondale is an unincorporated hamlet governed by the Town of Hempstead, not an incorporated village, so all permitting goes through the town rather than a local municipal office.

This matters for a few reasons. Unpermitted structural work can create complications when you sell the property, when a home inspector reviews the repairs, or when an insurance carrier audits the claim. We pull the required permits for any structural restoration work performed in Uniondale — it’s part of doing the job correctly, not an optional add-on.

Water mitigation is the emergency phase — stopping the damage from getting worse. That means extracting standing water, removing unsalvageable materials, setting up drying equipment, and stabilizing the structure. It’s the immediate response that prevents a contained problem from becoming a full structural loss. Most restoration companies, including ours, start here because every hour of delay increases the cost and complexity of what comes next.

Full water damage restoration picks up where mitigation ends. Once the structure is dry and moisture readings are confirmed, restoration covers the rebuilding: replacing drywall, repairing framing, reinstalling flooring, repainting — returning the home to its pre-loss condition. In Uniondale’s older homes, restoration sometimes uncovers issues that existed before the water event — deteriorated framing, outdated plumbing, inadequate vapor barriers — that get addressed as part of the overall scope. We handle both phases, which means there’s no handoff between a mitigation crew and a separate contractor, and the documentation trail for your insurance claim stays continuous from the first call through final completion.

New York State’s Mold Law, which took effect in 2016, requires that mold assessment and mold remediation be performed by contractors holding separate New York State Department of Labor licenses. The assessor and the remediator must be different licensed entities — that separation is built into the law to prevent conflicts of interest. It’s worth knowing that many operators working in Nassau County don’t hold these licenses, and work performed without them can create real problems: insurance carriers can dispute claims, future home inspectors can flag the remediation as non-compliant, and the liability sits with the homeowner.

You can verify a contractor’s mold license through the New York State Department of Labor’s online license lookup. For Uniondale homeowners, the practical implication is this: if a restoration company finds mold during a water damage job and offers to remediate it on the spot without mentioning licensing, that’s worth asking about directly. We hold the required NY State mold remediation license and follow the protocol the law requires — separate assessment, documented scope, proper containment, and clearance testing after the work is complete.