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TRUSTED BY MADISON, NH HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon11
    Verified basement remodels reviews

Top-Rated Basement remodelers in Madison - Updated Nov 2026

Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.5(
533
)
Basement - Remodel

Serving Madison, NH and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Warranties offered

"I couldn’t be happier with the work Owens Corning Basement did remodeling my basement! From start to finish, they were professional, courteous, and attentive to every detail. The team completed the project on time and within budget, keeping me informed throughout the process. The finished basement looks amazing—bright, functional, and exactly what I envisioned. I highly recommend Owen Corning Basement to anyone looking for high-quality remodeling work!"
Media Room Before
Media Room After
Games Room Before
Games Room After
Living Room Before

+128

Response time11 hrs
68 neighbors recently requested a quote
Recommended by69%of homeowners
DBA Jory D Bailey
4.8(
13
)
Basement - Remodel

Serving Madison, NH and surrounding areas

Approved

In business since 2002

Free estimates

Credit card accepted

"It went well. Jory Bailey arrived with the door, installed it, did some carpentry repair around the threshold, and took away the old door. I was glad that he was able to do this on the schedule that we had agreed to. He kept in touch about the plan, his ETA, and the cost via text and phone."
Response time12 hrs
Response rate90%
Recommended by85%of homeowners
Avatar for Horsman Builders
Horsman Builders
4.3(
23
)
Basement - Remodel

Serving Madison, NH and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"Tim and his crew are amazing. They built me an awesome deck!! From the beginning of the project to end I was thoroughly impressed. His quote was timely and fair. I’ve heard of so many horror stories about contractors so i was so pleasantly surprised at how great this experience was. The work began quickly and the workmanship is incredible. These guys know what they’re doing. Tim is so professional. He is prompt, he communicates everything in detail and really pays attention to detail in the work. He’s also a really nice guy. His crew is polite and work so hard. They’d get here and never stop working. Maybe 5 minutes to eat a sandwich. I plan to hire Tim for future projects. No question about it! Highly recommend."
General Remodeling Project
General Remodeling Project
Additional Photos
Additional Photos
Additional Photos

+4

Response time7 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for Edgewood Drywall Services
Edgewood Drywall Services
4.8(
41
)
Basement - Remodel

Serving Madison, NH and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: True professional

Edgewood Drywall Services invites you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion, we work with you until the job is done. Give us a call for a free estimate!

Projects
Projects
Projects
Projects
Projects

+20

Recommended by60%of homeowners
Avatar for ASK Home Improvements, LLC
ASK Home Improvements, LLC
4.6(
28
)
Basement - Remodel

Serving Madison, NH and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"We have used Kirk for several home projects. He added a portico to , painted our interior, outdoor shower and a beautiful basement Reno with challenging walls. His quote was accurate. He is reliable, communicative and does beautiful work."
Basement1
Basement2
Basement4
Basement Framed
Basement Sheetrocked

+12

Response time1 day
Recommended by88%of homeowners
Avatar for Gavin Liscombe Residential Construction
Gavin Liscombe Residential Construction
4.4(
45
)
Basement - Remodel

Serving Madison, NH and surrounding areas

Approved

In business since 2020

Offers commercial services

Customers say: True professional

"Did a wonderful job and takes pride in his work. He was adding a railing to the stairs and replacing stair treads and discovered problems with the raisers. Replaced those as well and provided a competitive price for the amount of work that was completed. We had specific concerns about having this done quickly. Gavin assisted in making sure that he was able to complete the stairs on time despite the additional work. We were happy with the work and outcome."
8 neighbors recently requested a quote
Recommended by28%of homeowners
Sonart Construction Corp.
2.3(
7
)
Basement - Remodel

Serving Madison, NH and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

James Donohue
New to Angi
Basement - Remodel

Serving Madison, NH and surrounding areas

Approved

In business since 2015

Emergency services offered

Warranties offered

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. \n

Response time2 days
2 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

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.

Whether it’s more affordable to gut a house than build a new one depends on the markets where you'd be buying and selling. However, it’s usually less expensive to renovate a home than to build new construction. 

Most homeowners pay between $100,000 and $200,000 for demolition and remodeling costs, whereas the average cost to build a new home is between $139,000 and $531,300.

The difficulty of adding a basement to an existing house can vary depending on the house’s location, the size of the basement, and the type and condition of the existing foundation. Adding a basement is a job best handled by the pros, so you’ll need to enlist professional help for this project.

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.

The average cost of remodeling a basement is $30 to $75 per square foot. If your space is unfinished and looks like it may need more help, use the higher number when calculating your estimated basement remodeling costs. A good rule of thumb is to add an additional 20% to the top of your estimate to cover any “what if” situations.

The Madison, NH homeowners’ guide to basement remodels

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