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Find Basement remodelers in Fishers Island

Avatar for Connecticut Basement Systems, Inc.
Connecticut Basement Systems, Inc.
4.3(
223
)

Serving Fishers Island, NY and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"the product was excellently done. I am a contractor and I needed the job done quickly to get it on the market. they finished it in one day and left the cellar cleaner than when they came.arrtco llc James stablein project manager t t"
Finished basement in CT
Basement Finishing in CT
Basement Finishing in CT
Basement Finishing in CT
Basement Finishing in CT

+13

Response time10 hrs
148 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Arthur DeRosa Building and Remodeling
Arthur DeRosa Building and Remodeling
4.7(
13
)

Serving Fishers Island, NY and surrounding areas

Approved

In business since 1986

Free estimates

Customers say: True professional

"Arthur gave us a fair and competitive estimate and was able to start work quickly thereafter. He and his team did an excellent job gutting and totally remodeling two bathrooms and a closet as well as redoing some of the wood flooring, moving vents, and moving hallways. Arthur himself was at the home everyday and did the important work himself. He also went the extra mile in helping us with small projects around the major project as they came up. He was extremely responsive in provided us with timely updates. When complications occurred (due to the house having not been renovated in 40 years) he was clear and helpful in keeping the project on schedule. He was extremely honest and I trusted him to be alone in my house for weeks on end with his team. I would/plan to work with Arthur again in the future for my home renovation projects."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Loja Renovations Fine Carpentry LLC
Loja Renovations Fine Carpentry LLC
5.0(
22
)

Serving Fishers Island, NY and surrounding areas

Approved

In business since 2024

Free estimates

Small jobs welcome

"Very professional and polite. Came on a Sunday stayed late to try and finish it all in one day. Quality of the work was excellent. They took their time and made sure all ceiling fans and light fixtures were in stalled properly and functioning correctly. Returned a day later and installed 2 new toilets. Highly recommend them."
Bathroom
Bathroom
Bathroom
Bathroom
Bathroom

+5

Response time1 day
Avatar for Refined Renovators & Design
Refined Renovators & Design
5.0(
8
)

Serving Fishers Island, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"Basement looks great , better then we ever expected .. the workers were on time and very respectful.. I would definitely recommend .. we will be using this company in the future for our next remodel."
comfortable spaces
sunroom
Beautiful Bathroom
Primary Bedroom
custom cabinets

+8

Response time5 hrs
Response rate93%
21 neighbors recently requested a quote
Avatar for J.E Painting & Remodeling
J.E Painting & Remodeling
4.0(
2
)

Serving Fishers Island, NY and surrounding areas

Approved

In business since 2020

Free estimates

"Workers were very efficient and very dedicated to their job, absolutely love how they worked, and with the passion, they pulled themselves through the job! Job was also that amazing bathroom was amazing! Overall love so much 100% recommend!"
remodelin kitchen
remodelin kitchen
3 neighbors recently requested a quote
Avatar for Hampton Bay Construction - Babylon Bay Construction
Hampton Bay Construction - Babylon Bay Construction
4.8(
110
)

Serving Fishers Island, NY and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"They were excellent ,I had many works done but they stood out they 5 stars baby construction is a professional and qualified team the owner AJ is experience and knowledgeable in every aspect of home construction and remodeling AJ is a take charge type of guy who is on top every project in our home. The executive manger Sam function as his right hand man and was on call to assist when needed. The Master bathrooms was completely gutted and redone in addition I had work done on my master bedroom including stalling new wood floor and new wood moldings and electrical work and the bathroom was done perfect and bathroom came out beautiful AJ and his complete crew was professional and dedicated respectful easy to deal with and hard working after the workers are finish for the day they meticulously clean up any left over debris this company offers great customer service and delivers high quality work and , do expertly done at a fair price I would highly recommend AJ and his company to anyone who needs an excellent contractor."
Kitchen Remodeling Projects
Bathroom Remodeling Projects
General Remodeling Projects
Kitchen Remodeling Projects
Bathroom Remodeling Projects

+31

Response time10 hrs
Response rate90%
Recommended by96%of homeowners
Avatar for Comfort Basement
Comfort Basement
4.4(
163
)

Serving Fishers Island, NY and surrounding areas

In business since 2007

Free estimates

Credit card accepted

"

Overall, Jesse and his team were wonderful to work with.  They were all very respectful and nice.  The team tried to leave as much as the wiring and the floor as possible, as not to demo everything.  In the demolition process, however, some of the screws for the light fixtures went missing (not a terrible thing, but a small hassle).  The whole process took about a week, and the drain and the walls were fixed.  Our house doesn't smell moldy anymore which is a great plus!  Two small things which bothered me slightly after the fact, was that the foreman, Bryan, said he would return a window insert for our basement window, which he hasn't done yet (it keeps air from entering the basement).  Also, instead of unscrewing some piping around the dryer vent, it seems that they have just ripped it out (but that was an easy fix on our end...we just got a new aluminum pipe for the dryer).

The team put plastic sheeting down to protect the furniture on the first floor where they had to come in and out of to get to the basement (we don't have basement access).  They also did a cursory cleaning before they left each day, which I appreciated.  It wasn't a deep clean, but that wasn't expected either. 

Jesse offered, kindly, to help us find some contractors who could help replace the drywall/studs and retile our floor; however, his contacts were all busy and weren't able to help us.  We ended up contacting some contractors through Angie's list to help us return our basement to its finished self. 

It has been about a week and half after the work was completed, and the system seems to be working (and we have had some crazy rain storms).  Although there is a puddle of water that collects around the lid of the sump pump, which worries me slightly.  I have called Jesse to ask him if that's normal, but otherwise the work was well done!


"
Recommended by91%of homeowners
Avatar for Classic Construction Inc.
Classic Construction Inc.
5.0(
24
)

Serving Fishers Island, NY and surrounding areas

In business since 2004

Free estimates

"All went according to plan. Classic construction walked us through each step of the process; providing ideas, suggestions and honest opinions. Available for questions and responsive to concerns. Our kitchen project was completed on time and to our satisfaction. Highly recommend Classic Construction Inc."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+30

Recommended by100%of homeowners
Avatar for The BullBag
The BullBag
5.0(
15
)

Serving Fishers Island, NY and surrounding areas

In business since 2001

Credit card accepted

"It went well! I expected it to take a long time to get it picked up, but I called for the bag to be emptied on Friday and they were here Saturday! I am already filling it up again. (We have a MESS from the storm and need to finish the kitchen before this weekend's company coming in from out of town.) I have already called them to request my bag be emptied on Friday, and they have me on the schedule! I can't believe the customer service is so great! This is not a regular dumpster company. I have a dumpster delivered last summer and they gouged my driveway. What a nightmare it was to get them to pay for the driveway to be fixed. NEVER AGAIN! It's BullBag only for our future needs."
The BullBag truck in MA
The BullBag truck in NY
Toys for Tots
Recommended by100%of homeowners
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FAQs for basement remodeling projects in Fishers Island, NY

Finishing a basement turns unused square footage into livable space and returns up to 70% of what you spend when you sell your home. Beyond that resale boost, you gain a playroom, home office, or guest suite you can start enjoying right away. That mix of daily comfort and solid return on investment (ROI) makes basement finishing one of the smartest upgrades you can tackle.

In some parts of the country—especially lots on swamps, high water tables, or other wetlands—local codes prohibit basements. Saturated soil puts constant pressure on foundation walls and lets water seep in faster than any sump pump can handle. 

If your property sits on waterlogged ground, building on a slab or crawl space is often safer, more affordable, and code-compliant.

Most basements wrap up in four to eight weeks. Framing takes three to five days, with electrical and plumbing rough-ins following over the next week. Add five days for drywall, two to three for flooring, and another week for paint, trim, and punch-list items. 

Delays can happen if materials run late or your contractor’s calendar is packed, so build in a little cushion when you plan.

Whether a finished basement counts toward your home’s official square footage depends on local rules. Many areas only include below-grade space if it has code-approved egress, fully finished walls, ceilings, and floors, plus consistent heating. 

Check with your local assessor or building department before you start; meeting those standards can affect taxes, appraisals, and resale value.

Building codes require a checklist: dedicated heat and electrical service, a code-approved stairway, and at least one egress window or exterior door. Walls, ceilings, and floors must be fully finished and meet insulation, ventilation, and fire-separation standards. If you add a bedroom, you’ll also need a closet, proper clearances, and safe exits. If you change the layout later, be ready to update the space so every new room still meets today’s code.

The Fishers Island, NY homeowners’ guide to basement remodelings

From average costs to expert advice, get all the answers you need to get your job done.