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

Alec's Construction remodels bathrooms in Mount Sinai (11766), 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 Mount Sinai

Above the harbor, Mount Sinai's houses are mostly 1970s to 90s colonials and contemporaries tucked into wooded lots, newer than most of their North Shore neighbors, and the bathrooms belong to that period. Primary suites from the 1980s and 90s often have a big soaking or jetted tub on a tiled platform, a small shower beside it, and a single fan straining to clear a large room. Hall baths have one-piece fiberglass tub units and builder-grade vanities. These rooms are usually bigger than the cramped baths in older hamlets, so the remodel is less about squeezing and more about rebalancing: giving the shower the floor the tub was taking, adding a second sink, and improving the exhaust. Around the marina and Shore Road, a handful of low streets fall in the mapped flood zone, but most houses sit well up the slopes, where the concern is wear rather than water from outside.

What We Look at First in Mount Sinai

In the primary bath we look at the tub platform and the shower pan beside it. Older mortar shower pans can fail without a visible leak until a stain appears below. We also compare the fan's size to the room and see where it vents. Mount Sinai files with the Town of Brookhaven at Independence Hill in Farmingville, and the harbor and Cedar Beach streets are mapped flood zone.

Older Houses on the North Shore Hills

The harbor hamlets have a lot of older houses — village houses, early colonials and post-war capes on sloped lots — and older bathrooms hide older plumbing. Cast-iron stacks and galvanized supply lines are common, and galvanized pipe narrows from the inside until the shower runs weak. When the walls are open, that is the cheapest moment to replace it.

Older floors are rarely flat. A bathroom floor that has dipped over decades needs the subfloor and the joists checked and leveled before tile goes down, or the tile cracks along the low spot within a season or two.

Plaster walls are another difference. They are solid and quiet, but they do not take a modern waterproofing system the way cement board does, so the wet walls of the shower are usually opened to the studs and rebuilt properly, while the dry walls can often be kept and repaired.

Tiled shower and vanity in a remodeled Long Island bathroom

What a Bathroom Remodel Includes

Demolition comes first, down to the studs on the wet walls and to the subfloor under the tub or shower. That is when we see the real condition of the drains, the supply lines, the subfloor and the framing, and anything rotten or leaking gets fixed before it is covered again.

Then the rough work: plumbing moved or replaced, blocking for grab bars and the vanity, wiring for lights, outlets and the fan, and a fan duct run all the way outdoors. The shower gets cement board and a waterproofing membrane, flood-tested before the tile. Tile, fixtures, vanity, paint and trim follow, and the room is cleaned and walked with you before we leave.

Permits in Mount Sinai

Mount Sinai files with the Town of Brookhaven at Independence Hill in Farmingville; the streets around Mount Sinai Harbor and Cedar Beach are in the mapped flood zone. 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 Mount Sinai, 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

Our 1990s Mount Sinai primary bath has a huge tub we never use. What do people usually do?

Most turn the tub area into a larger walk-in shower, often with a bench and a niche, and some add a smaller standalone tub if there is room for both. The platform comes out, the drain is relocated for the shower, and the new walls and floor are waterproofed before tile. It also pays to upgrade the fan at the same time, since a bigger shower makes more steam than the original fan was sized for.

How do you keep a new bathroom in Mount Sinai 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.

Can you convert a tub to a walk-in shower in Mount Sinai?

Yes, and it is the most common bathroom request we get. The tub comes out, the drain is moved to suit the shower, the walls are rebuilt with a waterproofing membrane, and the floor is sloped to the drain. A low curb or a curbless entry are both possible, depending on the floor structure.

Who issues the permit for bathroom remodeling work in Mount Sinai?

Mount Sinai files with the Town of Brookhaven at Independence Hill in Farmingville; the streets around Mount Sinai Harbor and Cedar Beach are in the mapped flood zone. 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 Mount Sinai through the cold months: Kitchen Remodeling and Basement Finishing.

Also Serving Mount Sinai

Talk to Alec's Construction About Bathroom Remodeling in Mount Sinai

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.