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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon53
    Verified basement remodels reviews

Find Basement remodelers in Cos Cob

Avatar for Connecticut Basement Systems, Inc.
Connecticut Basement Systems, Inc.
4.3(
589
)
Basement - Remodel

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"CT basement did a phenomenal job finishing our basement and we could not be happier with the results. They made every step of the process from design to the finished project simple and straightforward, everybody was easy to work with and made our opinions and needs the top priority and they were able to perfectly translate our vision into the final product. This was a fairly large project involving finishing 1200sq ft with an office, gym and full bathroom and their experience and expertise was obvious. They definitely understand the specific needs of a basement while making it look like any other room in the house. We would use them again in a second, we’ve even been joking about tearing down the rest of the house and just living in the basement!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+12

130 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.4(
553
)
Basement - Remodel

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"We had a great experience with the Lux Renovations and Owens Corning team. The whole process was very easy from designing the space, selecting colors, and having a contract manager who organized the entire basement remodel including all the trades and inspections. We were sold on the Owens Corning materials for the basement and that they were engineered specifically for a basement space. Would highly recommend this team for your basement remodel needs."
Renovation in Methuen
Renovation in Methuen
Renovation in Methuen
Renovation in Methuen
Renovation in Methuen

+121

Response time1 day
74 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Dynamic Design & Remodeling
Dynamic Design & Remodeling
5.0(
15
)
Basement - Remodel

Serving Cos Cob, CT and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Credit card accepted

"The team at Dynamic Design & Remodeling were superb. I hired them to do our basement and could not be happier with the result. Great craftsmanship, on budget, and on time. I'll definitely be using Justin and team for our next renovation."
Weston Kitchen Design
Weston Kitchen Design
Weston Kitchen Design
Weston Kitchen Design
Kitchen Render

+25

7 neighbors recently requested a quote
Recommended by73%of homeowners
Avatar for A2Z Contractors, LLC
A2Z Contractors, LLC
4.6(
133
)
Basement - Remodel

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"After a large water leak in the upstairs kitchen, Weslyn and his team did an amazing job repairing my kitchen cabinets, wood floors, installing a new window, back splash and recessed lights. In the basement, all the walls were repaired, new trim was added, everything was painted, and recessed lights were also added. The largest part of the job however was the newly renovated bathroom. A beautiful new shower system, glass door, recessed lights, double sink vanity, new exhaust with Bluetooth (for music in the shower), and gorgeous tiles were added and the end result was just amazing! The crew were friendly, cleaned up after themselves and did an awesome job. Very respectful and just nice guys. After the renovation I had an issue with my sump pump and Weslyn immediately had a worker come to my house and repair. I would 100% recommend A2Z!"
bathroom
bathroom
bathroom
bathroom
bathroom

+5

Response time2 days
41 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Lasting Strength
Lasting Strength
5.0(
46
)
Basement - Remodel

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1994

Free estimates

Customers say: Quick response

"We used Lasting Strength to perform a major renovation on a 1950's basement living/bathroom area. The project was literally a complete tear down and start back over. Adam & his team of professionals were attentive to all details, such as plumbing/electrical and accommodating daily life needs. They worked around our schedules and also accommodated the management of the project via the use of technology (FaceTime, text, email), which allowed for quick decision making and allowed us to view items as they were found. From the plumbers, Sheetrock, painting, and electrical - the final product is exemplary!"
tv cabinet built in
shower
wine cellar
built in
pergola

+116

Response time4 days
Response rate100%
5 neighbors recently requested a quote
Avatar for HammerTime Construction Group
HammerTime Construction Group
5.0(
10
)
Basement - Remodel

Serving Cos Cob, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Emergency services offered

"There are not enough great things I can share about HammerTime Construction, and every single member of their team. From consultation to project completion, the high level of professionalism, expertise, SKILL, attention to detail, and superior craftsmanship was exemplary! We contacted William via Angi (blindly!) in hopes of helping my elderly parents restore their kitchen, and he agreed to come by that same day - a weekend- to do an assessment, and provide a quote. He assured us he'd work within our budget, and he stuck to his word. We were in constant contact for everything from project concept to contract to which materials we'd be selecting. Our expectations were surpassed 10-fold!! Hire them. Just look at the photos! Our parents' home was completely transformed in the best possible way. It will now be a source of pride and an enjoyable gathering space for all who visit. On top of the kitchen remodel, they also restored our hardwood floors to a beautiful state we didn't even know was possible. Miguel, Ignacio and the entire team were speedy, efficient and completely caring as though this were their own family's home. We will be returning to this company for future projects, and we recommend them with zero hesitation!!"
This was a larger bathroom with two accent walls, a tub and sauna shower with jetted shower heads, a custom-cut ceiling, heated pebble flooring, and a mini wooden walkway.
The client wanted a tub sitting on pebble stones with an accent wall, wooden look custom shelving, and a smart floating toilet.
The image showcases a contemporary stand-up shower featuring frameless glass doors that provide a seamless, open look. The interior is adorned with large marble tiles in a soft, neutral tone, giving the shower a luxurious feel.

Built-in niches provide stylish and practical storage for toiletries, while subtle LED lighting enhances the overall ambiance.
Remodeling - General Project
Fireplace Renovation

+41

29 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Jermaine C Home Improvement, LLC
Jermaine C Home Improvement, LLC
4.7(
26
)
Basement - Remodel

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

JC Home Improvement specializes in carpentry so we have great experience repairing deteriorated wood and fixing damaged sheetrock. We also remodel bedrooms, bathrooms and kitchens. Further more we take on small jobs installing household décor such as mirrors and ceiling fans and etc.\n\nWe have an affordable and efficient pricing system. This system allows us to provide the best possible results for our clients and gives our clients peace of mind to make executive decisions. \n\nJermaine Ferguson, owner of Jermaine C Home Improvement has over 15 years of experience as a carpenter and project manager. He is experienced in all areas of the services we offer. Jermaine is actively involved in each project at JC Home Improvement LLC. \n\n\n\n

Old Kitchen
Before repair
Cement board installation
Old roof ripped off and being prepared for new material
Repaired Old Deck

+17

Response time8 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for Pella Home Improvement
Pella Home Improvement
4.0(
35
)
Basement - Remodel

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Customer Service was by far above expectations. I felt my basement was as important to Pella as it was to me. Also, we were given great recommendations throughout the process. Quality of the work was very good. Only area for improvement was that the upfront estimate had a couple minor misses, and I would have liked the laminate planks to have been laid with 3-4 row repeating pattern rather than a 2 row; but I never made that expectation known upfront. Overall an excellent experience and I highly recommend!"
Bathroom Remodeling
Bathroom Remodeling
Bathroom Remodeling
Bathroom Remodeling
Bathroom Remodeling

+13

Response time2 days
Response rate100%
9 neighbors recently requested a quote
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Showing 1-10 of 388
Basement Remodel questions, answered by experts

Joists and beams are both part of the flooring system above your basement, with the beams spanning the length of your home and getting support from vertical posts underneath, and joists usually spanning half the width of your home with no support posts underneath. The floor joists provide even support to the subflooring and flooring above, and they distribute that load to the beams. The beams then distribute that load down through the support posts to the foundation.

Building up by adding square footage to the top of your home is often less expensive than adding a basement, but it depends on the specifics of your house, your property, and supply costs. Because building a basement requires excavation, it can be a more expensive option than building up.

Yes, adding a walkout basement will usually bump up your property value. Most homeowners prefer walk out basements because the exposed wall that’s level with the ground provides more utility via a ground-level exterior entrance, and they can fit full windows, which adds natural light and ventilation to the basement area. The only exception might be in areas prone to tornadoes, as walkout basements aren’t as safe as regular basements during a tornado, particularly if they include large windows or glass sliding doors.

Costs are guided by renovation scope, materials chosen, project duration, structural needs, and labor. Prioritizing tasks prevents unforeseen expenses.

In addition to overseeing new home builds, construction managers work on large renovations and major remodels. For example, they may work with designers and oversee the construction of a finished basement, kitchen renovation, or a home addition. They may also oversee large-scale remodels, such as the update of a historic home. Construction managers step into small projects for more specific assistance, such as building budgets and compiling the team.

The Cos Cob, CT homeowners’ guide to basement remodels

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