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    Average homeowner rating
  • Verified reviews icon68
    Verified basement remodels reviews

Top-Rated Basement remodelers in Stamford - Updated Nov 2026

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

Serving Stamford, 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."
Additional Photos
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Additional Photos

+12

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

Serving Stamford, CT and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"Bud and his team are FANTASTIC. They finished on schedule, reasonably priced, very professional, provided guidance and did a beautiful job!! We plan on using Bud for the remodeling of our bathrooms and the basement."
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 A2Z Contractors, LLC
A2Z Contractors, LLC
4.6(
133
)
Basement - Remodel

Serving Stamford, 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 Lasting Strength
Lasting Strength
5.0(
46
)
Basement - Remodel

Serving Stamford, CT and surrounding areas

Approved

In business since 1994

Free estimates

Customers say: Quick response

"The carpenter that did the job (Adam) was amazing. He had to expand the space for one window, narrow the space for another, and repair much cedar siding that had rotted away due to water damage. He also reshaped my patio door so it would close and lock more easily. He is a very talented carpenter and I have no qualms about highly recommending him."
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 Stamford, 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

31 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Pella Home Improvement
Pella Home Improvement
4.0(
35
)
Basement - Remodel

Serving Stamford, 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%
10 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

A finished basement does not always count as square footage, as this varies by state regulations. In areas that allow below-grade spaces to be included in a home's official square footage, the basement must typically meet certain conditions. These conditions often include having a functional egress and being a livable space with flooring, finished walls, and temperature control. To be certain, contact your local assessor to confirm your area's specific policies regarding basement square footage.

The most challenging part of finishing a basement is addressing moisture control. Basement waterproofing is an essential task that requires a professional’s skills and knowledge. If you don’t properly waterproof your finished basement, it’ll be vulnerable to dampness, water damage, and mold growth. Ensuring proper insulation and ventilation to combat these issues while meeting building codes adds complexity to your remodeling project.

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.

Although it’s not required, air ventilation in a finished basement can help improve the air quality, prevent moisture and mold issues, keep musty odors away, and also maintain the air quality throughout the rest of your home. Proper ventilation will help maintain the value of your investment in finishing your basement. Try basement ventilation methods like installing vents or a dehumidifier for best results.

The average cost to remodel a basement is between $12,100 and $33,400. Depending on the project's complexity, the price can be as low as $3,500 or exceed $50,200. For a simple project like adding a home office, you might spend between $500 and $3,000. However, a more extensive project, such as adding a bathroom, can range from $6,600 to $16,500. The final cost is influenced by factors like the basement's size and condition, the type of remodel, material choices, your location, and accessibility. For an accurate price, it's best to consult with a basement remodeling team.

The Stamford, CT homeowners’ guide to basement remodels

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