Bathroom Remodeler in Islip, NY

South Shore Bathrooms Built to Handle Bay-Area Living

Islip bathrooms age differently than most bay humidity, older construction, and what’s hiding behind the tile all factor in. We handle the whole job, from permits to finish, without the surprises that catch other contractors off guard.
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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.
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Bathroom Renovation Contractors in Islip

A Bathroom Built to Last on the South Shore

Living near the Great South Bay is one of Islip’s best qualities. It’s also one of the reasons bathrooms here wear out faster than they should. The moisture that comes with bay proximity works its way into grout lines, behind tile walls, and under flooring quietly, over years until what looks like a cosmetic issue turns out to be a substrate problem. When you remodel with that reality in mind from the start, you end up with a bathroom that actually holds up.

That means selecting materials suited to this climate, waterproofing substrates correctly, and making sure ventilation can handle the humidity load that coastal living creates. It also means being honest about what’s likely behind the walls of a home built in the 1960s or earlier because in Islip, that’s a real question, not a hypothetical one. Asbestos floor tiles, lead paint on original trim, and mold behind old shower walls are things we encounter regularly in this area.

The outcome you’re after isn’t just a bathroom that looks better on day one. It’s one that performs for the next 20 years without the same problems coming back. That’s what a properly executed bathroom renovation actually delivers and it’s the difference between a remodel done right and one you’ll be revisiting in five years.

Bathroom Remodel Companies in Islip, NY

5,000 Projects In. We Know What's Behind the Walls in Islip.

We’re based in Bohemia a hamlet within the Town of Islip itself. That’s not a detail we throw in to sound local. It means the Town of Islip Building Division’s permit process, inspection requirements, and code standards are part of how we work every single day, not something we looked up before writing this page.

We’ve completed over 5,000 restoration and remodeling projects across New York State, and a significant portion of that work has been right here on the South Shore in homes with the same aging construction, the same coastal exposure, and the same hidden surprises that Islip homeowners deal with. We also hold EPA-compliant asbestos abatement certification, lead-based paint abatement licensing, and mold remediation credentials. When demo uncovers something unexpected, we handle it in-house, under the same contract, without stopping your project.

One contractor. One point of contact. No calls to a separate hazmat company while your bathroom sits half-demolished.

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Bathroom Renovation Process in Islip, NY

No Guesswork Here's What the Job Actually Looks Like

It starts with a walkthrough. We look at what you want, what the space requires, and what the existing structure is likely to present once demolition begins. In Islip’s older housing stock and there’s a lot of it, with homes dating back generations near the waterfront that assessment matters more than it does in a newer build. We’re looking at plumbing age, ventilation, tile substrate condition, and whether there are any indicators of hazardous materials before a single wall comes down.

From there, we handle permitting through the Town of Islip Building Division. Plumbing relocations, electrical modifications, and structural changes all require permits under the NYS Uniform Code and Town of Islip Zoning Code and we pull them correctly, every time. Cosmetic work doesn’t require a permit, but anything that touches the bones of the bathroom does, and getting that wrong creates real problems at resale. We know where the line is.

Once demo begins, we work through the job in a logical sequence rough-in work first, waterproofing, then tile and fixtures, then finish. If something unexpected turns up behind the walls, we address it in-house and keep the project moving. You get updates as the job progresses, and when we’re done, the bathroom is inspected, code-compliant, and ready to use.

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Updating Bathrooms in Islip, NY

Everything the Job Needs Under One Roof

A full bathroom remodel in Islip typically involves more than most homeowners expect going in. Demolition, hazardous material assessment, plumbing rough-in, electrical work, waterproofing, tile installation, fixture and vanity installation, ventilation, and finish work that’s the full scope of a gut renovation, and each phase has to be done in the right order by someone who knows what they’re doing. We handle all of it directly, without farming out the parts that require specialized licensing.

For homes in the southern portions of Islip particularly those closer to the Great South Bay waterproofing and moisture management aren’t optional upgrades. They’re the foundation of a bathroom that actually performs in this environment. We use cement board substrates, waterproof membranes, and ventilation systems specified for coastal humidity levels. These aren’t premium add-ons. They’re what the job requires here.

We also work with homeowners navigating insurance claims. If your bathroom remodel is tied to water damage from a storm, a burst pipe, or flooding which is a genuine scenario for South Shore homes we can document the damage, work with your adjuster, and bill your carrier directly. That removes one of the most stressful parts of the process from your plate entirely. Whatever the starting point is, we can take it from there.

Elegant luxury bathroom with dual vanities and sinks in a newly renovated home.

How much does a full bathroom remodel cost in Islip, NY?

The honest answer is that it depends on scope, but you should go in with realistic expectations for what Long Island pricing looks like. A midrange full gut renovation in Islip typically runs somewhere in the $35,000–$50,000 range, and that number can go higher depending on the size of the bathroom, the fixtures you choose, and what turns up during demolition. National averages you’ll find online don’t apply here labor costs, permitting fees, and material pricing on Long Island run 30–50% above the national baseline.

What drives cost up more than anything in Islip specifically is what’s already in the walls. Homes built before 1980 frequently contain asbestos floor tiles or lead-based paint that has to be properly abated before renovation work can proceed. That’s not a cost you can skip or work around it’s a legal and health requirement. Contractors who don’t carry abatement certification either can’t legally do the job or will stop work and call someone else in, which adds time and cost. We handle abatement in-house, which keeps the project on schedule and the cost predictable from the start.

It depends on what the work involves. The Town of Islip Building Division is clear on this: purely cosmetic work replacing tile like-for-like, painting, installing new cabinets, swapping out a vanity in the same location generally doesn’t require a permit. But the moment you’re relocating plumbing supply or drain lines, modifying electrical circuits, adding or upgrading ventilation, or making any structural changes, you need a permit. Those permits are filed electronically through the Town’s online portal.

Getting this wrong isn’t just a technicality. Unpermitted work can void your homeowner’s insurance coverage, create problems when you go to sell the house, and result in fines if it’s discovered. In a community where median home values are approaching $600,000, that’s not a risk worth taking to save a few weeks on the timeline. We know exactly what requires a permit in the Town of Islip, we pull them correctly, and we schedule inspections at the right milestones so your finished bathroom is fully code-compliant.

This is one of the most common concerns we hear from Islip homeowners and it’s a legitimate one. The hamlet of Islip has been continuously settled since 1683, and its housing stock includes homes from nearly every era since. Pre-1980 construction commonly contains asbestos floor tiles, asbestos pipe insulation, and lead-based paint on original trim. Mold behind shower walls is also a frequent discovery in South Shore homes, where coastal humidity accelerates moisture migration through aging substrates.

Most bathroom remodeling contractors are not licensed to handle these materials. When they find them, work stops and you’re left coordinating between your remodeler and a separate hazmat company while living with a demolished bathroom. We hold EPA-compliant asbestos abatement certification, lead-based paint abatement licensing, and mold remediation credentials. We handle everything in-house, under the same contract, without stopping the project. The discovery of hazardous materials doesn’t change your timeline the way it would with a contractor who has to call someone else.

For a full gut renovation, a realistic timeline in this area is four to six weeks from the start of demolition to final inspection assuming no major surprises and that permitting is handled correctly upfront. The permitting step is where timelines most often slip. Contractors who don’t know the Town of Islip’s process, or who file incomplete applications, end up waiting on approvals that delay the entire job. We file through the Town’s electronic portal with complete documentation, which keeps that part of the process moving.

The other variable that affects timeline in Islip specifically is what’s found during demo. If hazardous materials are present which is a real possibility in pre-1980 construction a contractor who has to bring in outside specialists loses days or weeks waiting for scheduling and coordination. Because we handle abatement in-house, that step gets folded into the existing project schedule rather than stopping it. Most homeowners find the actual construction phase moves faster than they expected once the prep work is done correctly.

Yes, and this is something we deal with regularly on the South Shore. Islip’s position on the Great South Bay puts it directly in the path of nor’easters, storm surge events, and coastal flooding and bathroom damage from water intrusion is one of the most common outcomes. Whether it started with a storm pushing bay water into a first-floor bathroom, a pipe that froze and burst during a hard winter, or a roof leak that finally reached the walls, the process of going from damage to finished renovation involves both restoration and remodeling work.

We can document the damage properly for your insurance claim, work directly with your adjuster, and bill your carrier for covered work. We’ve done this enough times to know how to communicate with insurance companies in a way that moves the claim forward rather than stalling it. You handle the living situation we handle the paperwork, the remediation, and the rebuild. For Islip homeowners dealing with a storm-triggered renovation, having one contractor manage that entire arc is a significant difference from juggling a restoration company and a separate remodeler.

In Islip’s current market, the numbers are fairly straightforward. The estimated median home value in the hamlet reached $587,102 in 2024 and that figure has more than tripled since 2000. The 2025 Cost vs. Value Report puts the return on a midrange bathroom remodel at 80%, which means a well-executed renovation adds real, recoverable value to a home that’s already worth a significant amount. For waterfront and bay-adjacent properties in Islip, that return is amplified further.

Beyond the financial case, there’s a practical one. Bathrooms in South Shore homes age faster than those in inland communities coastal humidity, aging plumbing, and decades of deferred maintenance all compound over time. A bathroom that hasn’t been touched since the 1980s or 1990s isn’t just outdated aesthetically. It’s likely presenting real performance issues: failing grout, inadequate ventilation, plumbing at or past end of life. Addressing those now, before they become emergency repairs, is a better financial decision than waiting. Most Islip homeowners are in a home they plan to stay in which means the quality of that bathroom affects daily life for years to come.