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Find Basement remodelers in Cornwall

Kevin Babcock General Contracting
4.9(
49
)

Serving Cornwall, NY and surrounding areas

Approved

In business since 1984

Free estimates

Offers commercial services

"From the second Kevin walked in for our estimate I could tell he was genuine and not trying to oversell or take advantage. Our project was a basement remodel for my mother who was moving in. The entire experience was wonderful, from start to finish. His team is amazing, super dedicated and we were involved in every step along the way. Kevin was always right there talking my mom through what she needed, helped her pick out her finishing touches, and even suggested we add/remove things from the remodel we would have never thought of doing on our own. He never once made us feel like we were asking too much and ANYTIME I had a question or concern he always got back to me same day. His work is top notch and his team is filled with the kindest group of men I have ever met. I didnt always make it easy, but they always delivered. We could not be more thrilled with the way things turned out, down to the last details, and would 100% call Kevin and his guys back for any future contracting needs."
Response time1 day
5 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Proworks Interiors
Proworks Interiors
5.0(
6
)

Serving Cornwall, NY and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"I have no skills or vision when it comes to construction, so there was no way I was going to attempt any part or function to finish my basement myself. There is so much involved with finishing a basement that the actual thought of getting it done was exhausting! John and his team made the large task to finish a basement easy! John has the skillsets to do the work and orchestrate different contractors with various skillsets to get each phase of the construction done. Proworks Interiors is very professional and know what they are doing. It was a great relief that they were able to make something that seemed impossible, possible in a matter of a few months."
Bathroom Remodel
Fireplace Wall
Fireplace wall
Bathroom Remodel
Basement Bar

+25

Response rate100%
Recommended by100%of homeowners
Avatar for V & S Home Improvement, LLC
V & S Home Improvement, LLC
4.9(
56
)

Serving Cornwall, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"I highly recommend V&S for any job you have around your home. They did an outstanding job with our kitchen remodel. They walked us through all of the steps and options for the job. Stefan understood our style and helped us design everything. They worked efficiently and the job was done quickly with high quality to detail. We will be calling them for any future projects we have. In addition to being talented and hardworking they are over all nice people to work with."
Kitchen Remodel
Kitchen Remodel
Deck Rebuild
Deck Rebuild
Repaint Stucco and Trim

+25

Response time10 hrs
13 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for AMV Interiors and Construction Inc
AMV Interiors and Construction Inc
4.7(
82
)

Serving Cornwall, NY and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"Aleks was terrific. I'm very happy with the job he and his men did. Great work. He's punctual, reliable, honest and very helpful. He finished the work on time! I will be using him again to renovate and redesign my kitchen. I highly recommend AMV Contracting."
Exterior
Whole House Renovation
Whole House Renovation
Whole House Renovation
Whole House Renovation

+192

Response time1 day
Response rate93%
1 neighbors recently requested a quote
Avatar for Jafet Home Improvement LLC
Jafet Home Improvement LLC
5.0(
3
)

Serving Cornwall, NY and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

At Jafet Home Improvement LLC, we specialize in high-quality residential remodeling focused on full renovations—not quick fixes. We handle complete bathroom, kitchen, and basement projects from demolition to final finishes, delivering clean, modern, and long-lasting results while increasing not only the comfort of your home but also its overall value.\n\nOur services include bathroom remodeling, kitchen renovations, basement finishing, interior painting, and flooring installation.\n\nWe are not a handyman service—we work with homeowners ready to invest in professional work done right. We pride ourselves on attention to detail, clear communication, and reliable timelines.\n\nIf you're planning a serious renovation, contact us to schedule an in-person estimate.\n\n\n

Response time4 days
4 neighbors recently requested a quote
Avatar for Suscal Construction, LLC
Suscal Construction, LLC
4.3(
8
)

Serving Cornwall, NY and surrounding areas

Approved

In business since 2019

Free estimates

Offers commercial services

"Diego has fair prices, he is hardworking, is very committed and is very punctual. Once he starts a project, he will not leave until it is complete. I would recommend him."
Deck Install
Bathroom Remod
Kitchen Remod
Bathroom Remod
Kitchen Remod

+73

Response time7 hrs
Response rate90%
14 neighbors recently requested a quote
Avatar for The Basement Transformer
The Basement Transformer
3.3(
8
)

Serving Cornwall, NY and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

The Basement Transformer is proud to provide innovative basement waterproofing, basement finishing, crawl space, and foundation repair services to improve the comfort and safety of your home. We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!\n

Basement Transformation
Unfinished Basement
Response time1 day
13 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for S&S Construction, Remodeling, and Repair
S&S Construction, Remodeling, and Repair
5.0(
1
)

Serving Cornwall, NY and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"S&S was great to work with from start to finish. They were professional, easy to communicate with, and made the whole process smooth and stress-free. The quality of work exceeded our expectations, and we’d definitely recommend them for any remodeling needs!"
Ceiling Repair Befor
Hallway Patching
Ceiling Repair After
Hallway Painted
Alcove Painted

+8

22 neighbors recently requested a quote
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FAQs for basement remodeling projects in Cornwall, 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 Cornwall, NY homeowners’ guide to basement remodelings

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