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Find Basement remodelers in New Haven

Avatar for Dynamic Basements Plus
Dynamic Basements Plus
5.0(
61
)

Serving New Haven, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Warranties offered

"Chris finished our 1,300 sq ft basement and the result is outstanding! The project included a bathroom, office, pantry/laundry room, playroom, and gym. We even had him build monkey bars and a rock wall in the play area, a real treat for our kids. He was all in on figuring it out and it came out great. The craftsmanship throughout is excellent, with nice molding details and a clean arch above the TV area. We spent a lot of time together on the design and scope up front, and he was great about accommodating changes as the project evolved. He uses Joist to track everything, so the total cost and every add-on were carefully documented from the start. He came in right at budget. Communication was a real strength. We always knew what was happening each week and who would be on-site. His subs were professional, easy to work with, and accommodating. He's already doing another house in our neighborhood, if you're considering him don't wait!"
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project

+54

Response time1 day
1 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Connecticut Basement Systems, Inc.
Connecticut Basement Systems, Inc.
4.7(
141
)

Serving New Haven, CT and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"Chuck Stofko was very informative. Was patient in answering all my questions. Spent along time with me reviewing the process and the steps needed to waterproof my basment. I highly recommend him."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+12

13 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Dynamic Design & Remodeling
Dynamic Design & Remodeling
5.0(
13
)

Serving New Haven, CT and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Credit card accepted

"Justin and his team were great. They were professional, communicative, and responsive to our needs. I'll likely hire them again if we do any more projects around the house. Highly recommended! Hire with confidence "
Weston Kitchen Design
Weston Kitchen Design
Weston Kitchen Design
Weston Kitchen Design
Kitchen Render

+25

5 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Custom Build and Remodeling LLC
Custom Build and Remodeling LLC
5.0(
10
)

Serving New Haven, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Hi. I am a baby boomer so I wanted to direct this towards others my age. I want to outline how wonderful my experience was with Usin from Custom Build and Remodeling llc. He was prompt and professional. Our first conversation was Sunday evening and he and four other employees were ripping out my bathroom completely on Wednesday morning. They showed up at 8:00 sharp every morning and worked till 4:00 each day. We had some extra issues in the 65-year-old house that Usin handled professionally with complete communication. They cleaned up thoroughly after each day and there was not one time within this entire project that I felt insecure. That’s a huge bonus! I am thrilled with the way the bathroom came out. A leaking vent pipe and wiring concerns led to problems above the bathroom in the attic. I was completely aware that my roof was shot so we agreed it should be done now. Roof, gutters and a house paint all done within the same timeframe. Highly recommend!! Serious professionals!!"
Response time7 hrs
Response rate93%
1 neighbors recently requested a quote
Avatar for Elite Remodeling Services, LLC
Elite Remodeling Services, LLC
5.0(
10
)

Serving New Haven, CT and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"Mike and his crew were wonderful, knowledgable, professional and efficient. The quality of the work was outstanding and the whole process was smooth and easy! Can’t recommend them highly enough!"
Kitchen Remodel
Shower
Vanity
Title Detail
6 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Mark's Painting and Home Improvements LLC
Mark's Painting and Home Improvements LLC
4.7(
12
)

Serving New Haven, CT and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Mark was extremely professional and courteous. I got 3 estimates some of them ridiculous Mark gave me a very reasonable price Mark and his crew tore down bathroom to the studs put up new walls tiled the floor and walls. He installed toilet vanity mirror lighting and built a custom shower stall for the same price as a cheap shower tray you buy at home depot. He made some great suggestions. The bathroom came out great . My expectations were exceeded . I don't have to look for a contractor Mark is my contractor for any future projects. I highly recommend Mark and his crew for any work you need done He also installed my wooden staircase in my basement Mark takes pride in his work and he makes sure you are happy with his work"
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Additional Photos
Response time8 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for SRC Partners
SRC Partners
5.0(
6
)

Serving New Haven, CT and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Bob and his crew are phenomenal. They are very professional and attentive to detail. All in all just a pleasure to work with. Couldn’t be happier with this project."
North Haven Addition
Before Picture
North Haven Addition
Pantry area complete
Before Picture

+3

Response time11 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
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FAQs for basement remodeling projects in New Haven, CT

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 New Haven, CT homeowners’ guide to basement remodelings

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