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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon24
    Verified basement remodels reviews

Top-Rated Basement remodelers in Andover - Updated Nov 2026

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

Serving Andover, 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 Whitcomb and Holmes Company
Whitcomb and Holmes Company
5.0(
13
)
Basement - Remodel

Serving Andover, CT and surrounding areas

Approved

In business since 2022

Free estimates

Warranties offered

"Chad and Joe at Whitcomb & Holmes were so great to work with!! We couldn’t recommend them highly enough if you’re looking for someone to remodel your space. From our first conversation with them, we knew that we could trust them to get the job done in our exact vision. They helped us to work within our budget and provided valuable insights and recommendations based on their experience. We’re thrilled with how it’s come out and won’t hesitate to use them for future home projects!"
Quartz countertop
Farm sink
Custom black walnut vanity in 1/2 bath
New lighting fixtures and ceiling fan along with appliances. LVT for flooring.
New trim to accentuate the walls and new AV boxes to hide cords.

+27

Response time4 days
Response rate100%
Recommended by100%of homeowners
Avatar for Plow and Property Projects, LLC
Plow and Property Projects, LLC
4.3(
84
)
Basement - Remodel

Serving Andover, CT and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"I called them and left a message about what I needed done. I received a call from them the same day. They were Abel to come the second day. The job of installing a gable vent on my house was done in less than 2 hours. I will definitely use them for my next project."
Response time2 days
16 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for TimberWolf Contracting LLC.
TimberWolf Contracting LLC.
4.2(
55
)
Basement - Remodel

Serving Andover, CT and surrounding areas

Approved

In business since 1985

Free estimates

Emergency services offered

"Timber and Meghan were great to work with. The price for the work was extremely reasonable and Timber was very flexible and creative with solutions. The original plan was to power wash and treat the existing fence and pergola. Timber suggested going over the old fence with a new fence and building a new pergola.The overall cost for these changes was pretty much the materials. We provided Timber with a photo of a pergola that we found on line and he recreated it flawlessly. I cannot praise Timber highly enough. We are thrilled with the new deck. One of our friends is a retired home builder who is never impressed. He had nothing but praise for the quality and craftsmanship of the work. We already have plans to engage Timber for additional projects. PS We had to order a new dishwasher while Timber was here. He installed it for us and took the old one away."
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+16

Response rate100%
1 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Above & Beyond Remodeling, LLC
Above & Beyond Remodeling, LLC
3.7(
83
)
Basement - Remodel

Serving Andover, CT and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Ernest recently completed a basement remodel for our home. It went from a dark, uninviting spot to one of our favorite places in the house. The quality of work is fantastic as well as communication from Ernest regarding when and how things will be done. Ernest is currently working on two other projects in our house and we are already lining him up for more wood floor installs, paintings, and bathroom remodels. Highly recommend!"
framing
 tile almost complete
storage
 star of frame
 unusable space

+101

Response time2 days
8 neighbors recently requested a quote
Recommended by59%of homeowners
Clairmont Remodeling
4.1(
35
)
Basement - Remodel

Serving Andover, CT and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"Kitchen remodel. Highly professional excellent customer service. Quality of work performed by every crew member was excellent. Crew members were very friendly, helpful and respectful. Completed the job on the timeline given and made aware of any unexpected costs. . Very pleased with the final result. Would hire again for future projects."
Response time3 days
2 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Better Built Basements, LLC
Better Built Basements, LLC
3.9(
4
)
Basement - Remodel

Serving Andover, CT and surrounding areas

Approved

In business since 2008

Free estimates

Credit card accepted

"Randy and his team finished room in the basement heping us convert the space into a gym. Amazing customer service, very reliable and accommodating. Excellent quality of work. We enjoying our gym every day and anyone seeing it just goes "WOW" Highly recommend the company but especially Randy from Suffield CT."
Bar Area
Entertainment Area
Entertainment Area
Media Area
Entertainment Area

+3

Response time9 hrs
Recommended by100%of homeowners
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Basement Remodel FAQs, answered by experts

Walkout basements cost more than other kinds of basements, and can also increase your risk of leaks as well as a loss of insulation, leading to higher heating and cooling costs. Improperly installed walkout basements may lead to structural issues with your foundation, so ensure you’re working with a contractor who has extensive experience with this kind of basement.

Yes, most general contractors require an initial down payment. A reasonable deposit is typically between 10% and 25% of the total project cost, although this can vary by project size and location. This upfront payment helps the contractor cover initial costs like materials, permits, licensing, and hiring subcontractors. The remaining balance is usually billed according to a schedule outlined in your contract, often tied to project milestones or completion dates. Be cautious of contractors who ask for a large deposit of 50% or more, as this could be a red flag for a scam.

Renovation enhances functionality, increases home value, and can add new space for personal or family needs. It typically modernizes older unfinished basements for new uses.

It’s less expensive to finish your basement than it is to build an addition to your home. The average cost to refinish a basement is $32,000 (between $7 and $23 per square foot) while building an addition to your home costs $50,325 ($80 to $210 per square foot). Depending on the size of your basement and other factors, like moving plumbing and electrical, refinishing a basement is a more cost-effective option in most cases.

Although homeowners often use the terms basement remodeling and basement finishing interchangeably, they are quite different terms. 

Finishing a basement is the process of taking a basement space that is not habitable and adding elements to make it usable. This includes adding plumbing, flooring, and insulation.

Remodeling a basement means taking an already existing finished basement and changing it, often by adding or removing walls, adding plumbing, or changing the existing flooring.

The Andover, CT homeowners’ guide to basement remodels

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