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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon59
    Verified basement remodels reviews

Top-Rated Basement remodelers in Norwalk - Updated Nov 2026

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

Serving Norwalk, CT and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"Great results from waterproofing. Turned my spring flooding anxiety to calm. As humidity rose in summer, I put in a small dehumidifier. Made basement noisy as it struggled to dry and produced a lot of heat. As temperatures rose to about 83 down there and the humidity rose to over 68%, I had same people put in a whole basement commercial-grade dehumidifier. The small unit dropped the humidity to around 50% in less than an hour. Incredible performance and have me peace of mind and peace and quiet downstairs. Temperature dropped gas as well. Weel worth the price to save my most expensive investment."
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+12

166 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Above & Beyond Contracting
Above & Beyond Contracting
4.8(
81
)
Basement - Remodel

Serving Norwalk, CT and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"We live in Bronxville, where the expectation are high for quality of work done on houses. Bud, and team, did an amazing job with a pretty large job. It was a full basement remodel, down to the studs, and he was great to work with. Really appreciate his professionalism and quality. I would recommend him fully, even for jobs that are larger and require a high level of finish quality."
Vanity and tub
Stand Up Shower
Shower fixtures
Kitchens
Additional Photos

+16

Response rate100%
6 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for K & X Services, LLC
K & X Services, LLC
4.9(
62
)
Basement - Remodel

Serving Norwalk, CT and surrounding areas

Approved

In business since 2017

Free estimates

Small jobs welcome

"I've got a 112 year old hose that is pretty solid, but it had a cracked floor joist and part of the flooring wasn't properly supported. I hired Kristian and his team to install a couple of lally columns to support a carrying beam and sister a couple of floor joists. Many contractors wouldn't even return my call because I wasn't looking to complete a huge remodel job, but Kristian came over, gave me a fair verbal estimate on the spot, and worked with me on timing to complete the project. Not only that, but the solution wasn't overly complicated. The job was straightforward, completed exactly as described in the time described, and there was no scope creep. If I ever have a larger need, they'll certainly be my first call. I would highly recommend K&X construction if you need any services that they offer."
Basement remodel
Addition
Porch enclosure
Response time2 days
Response rate88%
Recommended by95%of homeowners
Avatar for A2Z Contractors, LLC
A2Z Contractors, LLC
4.6(
133
)
Basement - Remodel

Serving Norwalk, CT and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"I did lots of research on contractors for my bathroom remodel and took a chance with A2Z and Im very happy i found them! Communication and follow up was high level from what i was accustomed to. Work was quick and quality."
bathroom
bathroom
bathroom
bathroom
bathroom

+5

Response time2 days
17 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Inson Dubois Wood LLC
Inson Dubois Wood LLC
5.0(
17
)
Basement - Remodel

Serving Norwalk, CT and surrounding areas

Approved

In business since 2005

Customers say: True professional

"We live in a prewar coop building in Manhattan and were in need of a kitchen, living and dining room/den renovation. Because of the limitations in our building, we were not optimistic that many changes could be made that would dramatically alter the feel/function of the space. Inson Wood proved us completely wrong. With his architectural eye and his impeccable design aesthetic we (and everyone who has been here before and after) experiences our apartment as an entirely different living space. Even family members are shocked at the transformation. I think that what Inson accomplished was the product of a few significant factors. First, Inson asks you what you want and seriously considers how you live. If Inson thinks that different approaches should be considered for what you want, he provides renderings of each option so that you can easily visualize and imagine them. Ultimately, Inson respects your preferences and works with them, elevating them to a level far above what you had imagined. Inson uses the highest quality vendors (whom we NEVER would have found) and expertly guides you through choices (note: follow his recommendations!!!)- our walls would never have had dimension and our kitchen backsplash never have been so unique (two examples) if not for the artisans that Inson uses. Inson is also willing to have you be as much or as little involved in the process as you want to be. I did go with Inson to choose many pieces of furniture but realized after a certain point that his taste point made me confident in him choosing much finishing work (ex: window treatments, decorative cushions, which I love) without me. As with all design work, there are always glitches and Inson was extremely responsive and responsible for taking care of those as they came up. We are nothing less than thrilled to come home each evening and enjoy our space, which feels like a luxurious retreat perfectly tailored to us."
Additional Photos
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+11

Recommended by100%of homeowners
Avatar for Lasting Strength
Lasting Strength
5.0(
46
)
Basement - Remodel

Serving Norwalk, 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
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Basement Remodel FAQs, answered by experts

There are several small, inexpensive upgrades you can make to upgrade your basement. Although you still need to adhere to building codes and obtain permits when necessary, you can complete small but mighty tasks like painting the masonry walls and installing entertainment devices to make the space more usable. 

The cost of finishing a basement is about $18,400 on average. As you can see, the framing portion of this project costs less, because you’re essentially just dealing with laying the foundation for a finished basement. The finishing portion of the project involves a lot more intricate work and design, as well as high-end materials.

Finishing a basement can provide a great return on investment, by increasing the market price of your home when you want to sell. Beyond that, there are many reasons to finish your basement. Doing so expands the usable square footage of your home, so you can enjoy it more, even as your family grows. Renovating your basement costs less in terms of time, energy, and money than having to search for and buy a new home.

Any bowing in a basement wall indicates a problem that needs to be addressed by a professional. If your basement wall bows more than 1 inch, it's time for an inspection. Generally, a wall can bow up to 30% of its thickness (around 2.5 inches for an 8-inch-thick wall) before it becomes an urgent situation. Bowing of 2 to 4 inches is more straightforward to fix than bowing of more than 4 inches, which will require significant repairs. If the bowing is more than 6 inches, the wall will likely need to be replaced. The sooner you address the problem, the easier and less expensive the repair will be.

Since DIYing a basement remodel isn't typically advised, there are some ways that you can still save money on this project without putting yourself in danger. Some ways to save money on a basement remodel include:

  • Painting walls yourself versus including in the cost of the remodel 

  • Installing light fixtures yourself

  • Choosing prefabricated fixtures, like cabinets, over custom ones

  • Choosing a budget-friendly flooring option, like laminate or vinyl flooring, and add rugs where necessary

The Norwalk, CT homeowners’ guide to basement remodels

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