NYS and NYC M/WBE Certified Contractor
Montauk isn’t an inland suburb. The salt air coming off the Atlantic doesn’t stop at your siding it gets into grout lines, corrodes fixture hardware, and breaks down caulk seals faster than most homeowners expect. A bathroom that would hold up for 15 years in Riverhead might show serious wear in 8 here. When you renovate with materials and methods built for coastal exposure, you stop replacing the same things over and over.
For vacation homeowners especially, the stakes are different. Your property sits vacant through the winter, and by the time you’re back in spring, moisture that crept in behind the shower wall has had months to work. A properly waterproofed, well-ventilated bathroom doesn’t just look better it protects the value of a home that’s worth well over a million dollars in this market.
And if you’re thinking about resale or rental income, a renovated bathroom is one of the highest-return improvements you can make. The 2025 Cost vs. Value Report puts the average ROI for a midrange bathroom remodel at 80% nationally in a market like Montauk, where buyers expect spa-quality finishes, getting it right matters even more.
Green Island Group is a full-service remodeling and restoration contractor based in Suffolk County, with over 5,000 completed projects across New York State. We’ve spent years working on homes throughout Montauk and the East End, and we understand what the Town of East Hampton Building Department requires to pull a permit and get work done right.
What separates us from a standard bathroom remodel company isn’t just the finished tile work it’s what we can handle when things get complicated. A lot of Montauk homes were built between the 1940s and 1970s. That means asbestos floor tiles, lead paint on trim, and moisture damage that’s been building quietly behind walls for years. Most bathroom renovation contractors have to stop the job and call someone else when that stuff turns up. We hold in-house licenses for asbestos abatement, lead-based paint removal, and mold remediation so the project keeps moving.
If you’re managing your Montauk property from the city or from somewhere else on Long Island, we communicate clearly, keep you updated, and don’t require you to drive out every time a decision needs to be made.
It starts with a free consultation either in person at your Montauk property or coordinated remotely if you’re not local. We walk through what you want, what the space currently looks like, and what the realistic scope of work involves. You get an itemized estimate, not a ballpark number, so you know exactly what you’re agreeing to before anything starts.
Once the project is scheduled, we handle the permit process through the Town of East Hampton Building Department. That includes preparing the required ¼-inch scale plans, HERS/Res-Check compliance documentation, and all contractor licensing and insurance paperwork the town requires. You don’t need to learn the East Hampton building code that’s our job.
Demo is where Montauk renovations sometimes take an unexpected turn. When we open up walls in a home built before 1980, we’re looking for asbestos, lead, and moisture damage as a matter of course not as a surprise. If we find something, we handle it in-house and keep the timeline intact. From there, it’s waterproofing, substrate, tile, fixtures, and finish work all done to a standard that fits what Montauk properties actually demand. Before we close out, the work goes through final inspection with the building department so your permit is properly closed and your renovation is on record.
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A bathroom remodel in Montauk covers more ground than the same job in most other places. Beyond the visible work new tile, new fixtures, updated layout there’s the layer underneath that determines whether the renovation lasts. We install moisture-resistant substrates and waterproofing membranes built for humid, salt-air environments. Fixture hardware is specified for coastal exposure. Ventilation is addressed properly, because a bathroom that doesn’t breathe in Montauk’s climate is one that develops problems behind the walls within a few years.
For homes in the older neighborhoods around Fort Pond or along the streets off Montauk Highway, that also means a hazmat assessment before demo begins. If asbestos-containing materials or lead paint are present, we abate them under our state-issued licenses before renovation work proceeds keeping your project on schedule and your property protected.
On the finish side, we work at the level the Montauk market expects. Rainfall showerheads, frameless glass enclosures, freestanding soaking tubs, heated floors, natural stone tile if that’s the direction your property calls for, we’ve done it. If you’re updating a rental property and need something that photographs well and holds up through high-turnover use, we can dial the spec to match that too. The scope fits what you actually need, not a pre-packaged tier.
Yes if your bathroom renovation involves any plumbing modifications, electrical changes, or structural alterations, a building permit is required through the Town of East Hampton Building Department. Montauk is a hamlet within East Hampton Town, so all permits flow through that office, not a separate Montauk municipality.
The permit application requires two sets of ¼-inch scale plans, a licensed and insured contractor (with signed and notarized documentation), proof of workers’ compensation insurance, a current survey of the property, and a HERS or Res-Check energy compliance report. It’s more paperwork than a lot of towns, but we’ve done it enough times to manage it smoothly. We handle the entire permit process as part of the project application, documentation, inspections, and final closeout so you don’t have to coordinate any of that yourself.
Nationally, a midrange bathroom remodel averages around $26,000 according to the 2025 Cost vs. Value Report. In Montauk, that number runs higher typically in the $40,000 to $65,000 range for a solid midrange renovation, and well above $100,000 for high-end work. The gap comes from a few things: higher labor costs on the East End, longer contractor travel time, the complexity of East Hampton Town permitting, and the material standards that a Montauk property actually demands.
If your home was built before 1980, budget for the possibility of asbestos or lead paint abatement during demo. That’s fairly common in the older housing stock around Montauk. We include a hazmat assessment in our pre-construction process and give you a clear picture of what remediation would cost before you commit to anything, so there are no mid-project surprises that blow up your budget.
This is one of the most common concerns we hear from Montauk homeowners and it’s a legitimate one. A lot of homes here were built in the 1950s and 1960s, when asbestos was standard in floor tiles, pipe insulation, and joint compound. And seasonal vacancy means moisture damage can develop behind walls for months without anyone noticing. When we open up a bathroom in one of these homes, finding something isn’t unusual.
The difference with us is that we don’t have to stop the job. We hold state-issued licenses for asbestos abatement and lead-based paint removal, and we’re certified for mold remediation. We handle it in-house, under the proper protocols, and keep the renovation on track. You don’t end up waiting weeks for a separate hazmat company to come out, and you don’t have to manage two contractors at once. One call, one company, one timeline.
Most of our Montauk clients aren’t on-site during the renovation. They’re in the city, in Nassau County, or somewhere else on Long Island, and they need a contractor they can trust to execute without constant supervision. We work that way by design.
From the start, we set clear milestones and communicate proactively phone calls, texts, and photo updates at key stages so you always know what’s happening. Decisions that come up during the project get communicated clearly and quickly, with options laid out so you can respond without needing to drive out to Montauk. We also handle the permit process and building department coordination entirely on our end. If you want to be involved in material selections, we can accommodate that remotely or at a showroom visit when timing works. The goal is that you stay informed and in control without the renovation running your schedule.
Salt air is corrosive, and it’s not subtle about it. Sodium chloride particles from the ocean travel inland and settle on everything and in a bathroom, they accelerate the breakdown of grout, caulk, chrome hardware, and standard fixture finishes faster than most people expect. A bathroom renovated with standard inland-spec materials in a home this close to the Atlantic is going to show wear earlier than it should.
For Montauk homes, we lean toward porcelain or natural stone tile with epoxy-based grout, which resists moisture and salt penetration better than standard cement grout. Fixture hardware in brushed nickel, matte black, or marine-grade stainless holds up significantly better than chrome in high-salt environments. We use waterproofing membranes on shower walls and floors as a baseline not an upgrade because the humidity levels here make it a necessity. Proper exhaust ventilation is also part of every bathroom we renovate, because a bathroom that doesn’t ventilate in Montauk’s climate creates the conditions for mold and material failure regardless of how good the tile work looks.
Yes and for most of our Montauk clients, that’s exactly the target. Whether the deadline is Memorial Day weekend, the start of a summer rental period, or a pre-listing timeline, we build the schedule around it from the first conversation. The key is starting early enough. Spring is the busiest renovation window on the East End, and contractor availability fills up fast once the weather breaks.
The other factor worth knowing: East Hampton Town contractor work hours allow work from 7:00 a.m. to 8:30 p.m., seven days a week. That’s broader than most municipalities, which gives us real scheduling flexibility when a deadline matters. If your project involves hazmat abatement or permitting complexity both of which are common in Montauk’s older housing stock those steps take time, and building them into the schedule early is what keeps the overall timeline intact. Reach out in the fall or early winter if you have a summer target. That lead time is what makes the difference between hitting your date and missing it.
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