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  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon64
    Verified basement remodels reviews

Top-Rated Basement remodelers in Fremont - Updated Nov 2026

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

Serving Fremont, 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
62 neighbors recently requested a quote
Recommended by69%of homeowners
Avatar for MMP Construction Inc
MMP Construction Inc
4.6(
222
)
Basement - Remodel

Serving Fremont, NH and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"I would highly recommend MMP Construction. Matt and his team are knowledgeable, friendly, and extremely hardworking. Even after running into some unexpected structural issues once the walls were opened up they still managed to get the job done in the time frame quoted by working extra hours and weekends. I was truly blown away by the level of dedication and service. Anytime a challenge came up, someone on the team was quick to provide a great solution. And the finished product is absolutely gorgeous. I would hire them again in a heartbeat.
"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+154

Recommended by89%of homeowners
Avatar for IDEAL SOLUTIONS LLC
IDEAL SOLUTIONS LLC
4.8(
13
)
Basement - Remodel

Serving Fremont, NH and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"I had an excellent experience with Ideal Solutions on my basement remodel. From start to finish, the team was professional, communicative, and detail-oriented. The quality of the work exceeded my expectations, and the finished basement turned out even better than I imagined. Everything was completed on time, and they made the entire process smooth and stress-free. I would absolutely recommend Ideal Solutions to anyone looking for basement remodeling or home improvement work."
18 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Horsman Builders
Horsman Builders
4.3(
23
)
Basement - Remodel

Serving Fremont, NH and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"When you find a great contractor, don’t let them go. ;). I hired Tim to build a screen porch under my deck but added several projects as I recognized the high quality of work and attention to detail from his crew. In addition to the screen porch, they built a deck extension - so nice that I decided to have them replace the existing deck, installed a basement slider and replaced the door, installed a new fence and built a shed. Tim was responsive, open, honest and receptive of my requests and additions during the project. Great experience working with Tim and his crew: Dan, Brian, Eddie and Ben. Great job on all the work - I’ve received many compliments from neighbors and guests on the work you did! I can’t recommend Tim and his crew enough."
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 Remodel or Renew Home Improvement
Remodel or Renew Home Improvement
4.6(
296
)
Basement - Remodel

Serving Fremont, NH and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I used Remodel Or Renew Home Improvement to replace a door I had installed not long ago. I had water coming in and the old contractor was nowhere to be found. The owners Tom and Mike came to my house identified the issues and had a crew here the next day. I cant recommend this company enough. I was loosing sleep with water coming into my basement. I have new confidence in good people to do great work! Thank you Remodel or Renew! Exceptional service at a reasonable price."
Decks
Farmers Porch
Deck
Decks
Screened oom

+7

Response time12 hrs
Response rate95%
861 neighbors recently requested a quote
Avatar for Berube and Son Construction LLC
Berube and Son Construction LLC
5.0(
16
)
Basement - Remodel

Serving Fremont, NH and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

"I have had 2 jobs done by Justin. One large ceiling repair and one wall installed. Both were done quickly with a flawless finished result. I am very happy to recommend him."
Garage
Kitchen
Kitchen
Golf simulator room
Garage man cave

+10

Response time2 hrs
Response rate100%
10 neighbors recently requested a quote
Avatar for New England Home Pros
New England Home Pros
5.0(
14
)
Basement - Remodel

Serving Fremont, NH and surrounding areas

Approved

In business since 1988

Free estimates

Small jobs welcome

"New England home pros was extremely professional, always on time and remodeled my dream bathroom for the best price in the area. I will certainly hire them again for my next project."
Response time2 days
6 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for DCL Construction
DCL Construction
5.0(
9
)
Basement - Remodel

Serving Fremont, NH and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"We have been wanting to finish our basement for a very long time now but the prices we were given were too high! A friend of ours referred DCL to us and we thought we would give them a shot. The price was right so we started shortly after. They took care of all the paperwork and permits needed! Bob was there for the whole process discussing with us every step of the remodel! Very knowledgable and very well trained team! Our basement looks incredible and we enjoy spending time there! I would recommend DCL to anyone!!"
Completed jobs or on goin
Basement remodel
Basement remodel bathroom added
Basement remodel and bath room added
Basement remodel

+24

Response time6 hrs
2 neighbors recently requested a quote
Recommended by66%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.

Lifting a house and adding a basement is one way to add usable square footage. Lifting or jacking a house is a complex process, and it can be expensive, not to mention that you won’t be able to live in your house while it’s lifted, due to safety concerns. Lifting a house should only be done by experienced professionals.

Egress windows or doors are required in finished basements to meet safety and building codes. If your basement is unfinished and used as a storage space, egress windows are not required, but anything considered a habitable space must have an additional point of egress in addition to the stairs.

To determine if your basement walls are suitable for finishing, assess their structural integrity and moisture conditions. Look for any signs of damage, such as cracks, bowing, or excessive moisture. Ensure proper drainage and address any underlying issues before proceeding. 

Consult with a professional if you're uncertain about the structural stability or potential risks associated with finishing your basement walls.

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 Fremont, NH homeowners’ guide to basement remodels

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