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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon37
    Verified basement remodels reviews

Top-Rated Basement remodelers in Strafford - Updated Nov 2026

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

Serving Strafford, 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
64 neighbors recently requested a quote
Recommended by69%of homeowners
Avatar for NH Projects LLC
NH Projects LLC
5.0(
20
)
Basement - Remodel

Serving Strafford, NH and surrounding areas

Approved

In business since 2021

Free estimates

Customers say: Quick response

"Lenny and Nick are great to work with! We are finishing our basement and they just completed the bathroom to start and it came out fantastic! They have excellent contacts to help with the plumbing and electricity and made the whole process easy for us. We can't wait to keep working with them and completing our basement."
Our Work
Our Work
Our Work
Our Work
Our Work

+8

Response time5 hrs
Response rate87%
1 neighbors recently requested a quote
Avatar for IDEAL SOLUTIONS LLC
IDEAL SOLUTIONS LLC
4.8(
13
)
Basement - Remodel

Serving Strafford, 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 Strafford, 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 Berube and Son Construction LLC
Berube and Son Construction LLC
5.0(
16
)
Basement - Remodel

Serving Strafford, NH and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

"Justin came over early on a Sunday morning to assess damage to our bathroom drywall. He completed the restoration job over the next few days. He was prompt, clean, and let us know when he would arrive. The job was done beautifully, and I would not hesitate to hire him again!"
Garage
Kitchen
Kitchen
Golf simulator room
Garage man cave

+10

Response time2 hrs
Response rate100%
10 neighbors recently requested a quote
Avatar for Top End Builders
Top End Builders
5.0(
5
)
Basement - Remodel

Serving Strafford, NH and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

50+ years Combined Exp At Top End Builders, We Specialize in all Residential Building and Remodeling such as, Garage Builds, Custom Deck Builds, Room Additions, Basement Remodeling and more.. We take pride in delivering exceptional craftsmanship, reliable service, and attention to detail on every job. Whether you're looking to expand your space, enhance your property, or bring a custom project to life, we're committed to providing quality results that last. Customer satisfaction is our priority, and we work hard to make every project a great experience from start to finish. Contact Top End Builders today to get started!

2 Story Garage Build
2 Story Garage Build
2 Story Garage Build
2 Story Garage Build
2 Story Garage Build

+79

19 neighbors recently requested a quote
Avatar for True North Contracting
True North Contracting
4.4(
96
)
Basement - Remodel

Serving Strafford, NH and surrounding areas

Approved

In business since 2005

Free estimates

Small jobs welcome

"Our bathroom remodel was a huge task and Costas, Tony, and Pauly did a great job! Very easy to work with and we never minded having them in our house. Their initial quote was exactly what we paid! Definitely recommend and will hire them for future jobs!"
Roof
Kitchen Reno
Finish
Ready for Grout
 Finished

+66

Response time7 hrs
13 neighbors recently requested a quote
Recommended by93%of homeowners
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Basement Remodel FAQs, answered by experts

If you don’t have a crawl space but have a partial basement you want to make deeper, you can expect to spend a little less—between $40,000 and $90,000 on average. However, if you’re not adding new finished square footage, you won’t see much in the way of ROI.

Framing a basement takes three to five days, on average, when completed by a professional, though it may take longer for a larger space. Keep in mind this doesn’t include the time to complete the design, obtain permits, and install the drywall on the framing. On average, fully finishing a basement takes an average of 45 days.

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.

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.

Joists and beams are both part of the flooring system above your basement, with the beams spanning the length of your home and getting support from vertical posts underneath, and joists usually spanning half the width of your home with no support posts underneath. The floor joists provide even support to the subflooring and flooring above, and they distribute that load to the beams. The beams then distribute that load down through the support posts to the foundation.

The Strafford, NH homeowners’ guide to basement remodels

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