Remodeled bathroom with a tiled walk-in shower, the kind of work done in Islip, New York

Alec's Construction remodels bathrooms in Islip (11751), working out of the yard in East Patchogue. A bathroom job here starts with what is behind the walls and under the floor — the drain lines, the venting, the subfloor and how the room gets rid of moisture — because those decide what the new room can be before anyone picks a tile.

Bathroom Remodeling in Islip

Islip hamlet mixes two very different houses, and a bathroom project starts in a different place in each. The large older houses on big lots, many on private drives between Champlin Creek and Orowoc Creek, often have several baths added over the decades, some under dormers and some in former closets, each with its own route for drain and vent. Updating one means tracing those routes before planning anything. On the side streets, the post-war capes and ranches have a smaller original bath, and many have a slab addition from the 1970s or 80s on the back, sometimes holding a second bath or a laundry with its plumbing under the concrete. Lots shaded by very large old oaks keep some of these houses damp, which makes a fan ducted outdoors more than a box to tick. The Town of Islip's published guidance separates finish work like tile from anything touching water, gas or electric.

What We Look at First in Islip

In the big older houses we start in the basement, following each bathroom's drain to where it joins the main line and looking for galvanized supply that has been patched to copper or plastic over time. In a ranch with a slab addition we locate the drain under the concrete and check whether the addition has moved where it meets the original house, because tile laid across that joint tends to crack along it.

Bathrooms in Low Houses Near the Bay

On the low streets near the water a lot of houses sit on slabs or crawl spaces, and many were raised after 2012. That changes the bathroom job in three ways.

First, the plumbing. On a slab the drains are in the concrete, so moving a toilet or a shower drain means cutting the floor, and the layout tends to stay close to where the lines already run. In a crawl space the drains are reachable, but they live in damp air and are worth inspecting while the floor is open.

Second, the moisture. Near the bay the house air is already humid much of the year, and a bathroom without a fan ducted to the outside will grow mildew on the ceiling no matter how good the tile is.

Third, the rules. In a mapped flood zone a large remodel can count as a substantial improvement, which brings the whole house under the flood rules. We check the address before scoping a full gut.

Tiled shower and vanity in a remodeled Long Island bathroom

The Order of the Work

A bathroom goes wrong when finishes go over problems. So the order does not change: open it up, find what is wet or soft, fix the structure and the plumbing, then waterproof, then tile.

The shower is the part that matters most. Behind the tile goes cement board or a foam board system with a bonded membrane, sealed at every seam and corner, sloped to the drain, and flood-tested. The fan is sized to the room and vented outside, not into the attic. Tile, grout, the vanity, the toilet and the trim come last, and we test every fixture with you at the walkthrough.

Permits in Islip

Islip files with the Town of Islip, whose published permit guidance treats finish work differently from anything touching water, gas or electric. A cosmetic refresh usually needs no permit, but moving plumbing, adding a bathroom, changing the layout or new electrical work is permitted work in Suffolk, and we file it before the walls are closed.

Alex walks the house in Islip, photographs what he finds and gives you a written scope in the order the work has to happen — whether or not you hire us. Call (631) 312-7441 to set up a time.

Frequently Asked Questions

We only want to replace the tile in our Islip bathroom. Is that filed with the town?

Generally not on its own. The Town of Islip treats tile as finish work that does not need a permit. Once the job moves a drain, changes a supply line, or adds a circuit, that part is filed. Many retiling jobs grow into a new shower valve or a moved drain once the wall is open, so we settle the scope before demolition rather than discovering the permit question halfway through.

Do I need a permit for a bathroom remodel in Islip?

It depends on the scope. Replacing fixtures and finishes in place usually does not need one. Moving plumbing, adding a bathroom, changing walls or adding circuits does. We tell you which side of the line your plan is on during the walkthrough and file the permit if it is needed.

How do you keep a new bathroom in Islip from getting mildew?

With ventilation and waterproofing. The exhaust fan is sized to the room and ducted outdoors, ideally on a timer or humidity switch so it keeps running after the shower. Behind the tile, a bonded membrane keeps water out of the walls. Most mildew problems trace back to a weak fan or one vented into the attic.

Who issues the permit for bathroom remodeling work in Islip?

Islip files with the Town of Islip, whose published permit guidance treats finish work differently from anything touching water, gas or electric. A cosmetic refresh usually needs no permit, but moving plumbing, adding a bathroom, changing the layout or new electrical work is permitted work in Suffolk, and we file it before the walls are closed.

Related Guides

Work With Alec's Construction

This page is written by the crew that does the work. See Alec's Bathroom Remodeling service — layout, waterproofing and ventilation planned before the first tile. One crew from the first walkthrough to the last inspection.

Also in Islip through the cold months: Kitchen Remodeling and Basement Finishing.

Also Serving Islip

Talk to Alec's Construction About Bathroom Remodeling in Islip

We come out, look at the house, photograph what we find and put a written scope in your hand. No pressure, no obligation. Working across Suffolk County since 2018.

Or call (631) 312-7441

No cost, no obligation. We reply the same day.