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  • Average homeowner rating star icon4.7
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  • Verified reviews icon158
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Find Basement remodelers in Millis

Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.4(
506
)

Serving Millis, MA and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Warranties offered

"We had an outstanding experience with Owens Corning Basement Remodeling from start to finish. The entire team was phenomenal—professional, communicative, and truly dedicated to delivering high-quality work. One thing that really stood out was how quickly they got started. There was no unnecessary waiting, and they stayed on schedule the entire time, which made the whole process smooth and stress-free. A special shoutout to Carlos and Luis, who worked tirelessly on our basement. Their craftsmanship, attention to detail, and strong work ethic were obvious every single day. They took great pride in their work, and it absolutely shows in the finished result. We couldn’t be happier with how everything turned out. If you’re considering a basement remodel, I highly recommend Owens Corning—they exceeded our expectations in every way!"
Media Room Before
Media Room After
Games Room Before
Games Room After
Living Room Before

+128

Response time11 hrs
92 neighbors recently requested a quote
Recommended by74%of homeowners
Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.4(
496
)

Serving Millis, MA and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"Weâ re so happy we finally decided to remodel our basement! Now the kids have a bigger place to play, I have an office and we have a workout area. The best part was how quick it was!"
Family/Entertainment room
Family/Entertainment room
Family/Entertainment room
Family/Entertainment room
Family/Entertainment room

+62

109 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Start 2 Finish Waterproofing Construction
Start 2 Finish Waterproofing Construction
5.0(
9
)

Serving Millis, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

With over 30 years in the industry our work speaks for itself. With the best pricing in the industry our business model allows us to offer the best equipment and service. Whether it’s Interior Basement Waterproofing, crack repair, or any type of home remodeling , we’ve got you covered with great craftsmanship and reliable service. Located in Foxboro, MA, and serving eastern MA, we’re your trusted local experts in making basements dry and taking care of any remodeling needs! Call us today for your FREE assessment and take the first step toward your dream basement or any remodeling project you may have. Transform your home with Start 2 Finish Construction! From complete interior basement waterproofing to basement refinishing if desired. We also do a wide range of carpentry services such as remodeling, doors, windows, decks, kitchens, bathrooms and small additions. Call Today!!\n

Water Leak Basement
Water Leak Basement
Basement Finishing
Basement Finishing
Basement Stairway

+44

Response time8 hrs
Recommended by50%of homeowners
Avatar for LANCASTER HOME REMODELING
LANCASTER HOME REMODELING
4.9(
59
)

Serving Millis, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Warranties offered

"Working with Lancaster Remodeling was a delight. Their communication was fantastic, the work was completed on time, within budget, and was very high quality. Things I especially appreciated were John’s flexibility and ability to troubleshoot the unexpected challenges that always arise during any type of project like this, and Kim’s quick and helpful responses from the back office. In our experience (we have gone through several remodeling projects before), communication, back office organization, price competitiveness, punctuality, and quality of work are key to success. Lancaster is exceptional in all of these aspects, which is a very rare find. Highly recommend!"
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+56

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for MMP Construction Inc
MMP Construction Inc
4.6(
222
)

Serving Millis, MA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"After discovering black mold creeping up the sheetrock along my basement wall we found that we had a hidden leak that we thought came from the patio door above. The home owners ins adjuster told us to hire a contractor and to brace ourselves because he believed the damage was extensive. He was right. We hired Matt Palmer (MMP Construction) and he gave us the devastating news that the entire lower half of the house was rotted from water damage due to an improperly flashed deck that ran along the back of the house.  I desperately wanted to save the deck, (54X12). It was a difficult task, but Matt was able to save it.
Matt worked diligently, stayed in contact with me (I was not able to be present during the day) and in the end gave us a great product. Matt was not only skillful, but very knowledgeable, creative, and professional. I will definitely be hiring him again.

"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+154

1 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for WS Builders Corp
WS Builders Corp
4.1(
69
)

Serving Millis, MA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

At WS Builders Corp, we take pride in delivering high-quality construction services with professionalism, reliability, and attention to detail. Since 2017, we have been helping homeowners across Massachusetts with renovations, home additions, and custom construction projects.\nOur team is committed to clear communication, quality workmanship, and customer satisfaction from start to finish. WS Builders Corp is fully licensed and insured for your peace of mind.\nContact us today to discuss your project!

Addition
Basement renovation
Roof Renovation
KITCHEN REMODELING
2 and 3 Floor Addition

+75

Response time10 hrs
4 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for L2 Homes
L2 Homes
5.0(
13
)

Serving Millis, MA and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Rubber Roof Install
Roof Replacement
Roof Replacement
Roof Replacement
Complete Home Renovation

+8

10 neighbors recently requested a quote
Avatar for Boston Quality Contractors LLC
Boston Quality Contractors LLC
4.9(
15
)

Serving Millis, MA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Boston Quality Contractors, LLC is a locally owned and operated company with over 5 years of professional experience. We provide complete home solutions — from small repairs to full-scale remodels — specializing in kitchens, bathrooms, and basements. Our team takes pride in being prompt, punctual, and professional on every project, delivering quality craftsmanship you can count on.

Office Space
Single Family
Office Renovation
Single Family
Office Space

+37

Response time3 days
Response rate93%
4 neighbors recently requested a quote
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Basement Remodel questions, answered by experts

Yes, you can add a bathroom to an unfinished basement, but you’ll want to take proper precautions if doing so. As with any bathroom addition, you’ll need to make sure that it’s approved by local building authorities first. With unfinished basements, you especially need to keep an eye on proper ventilation practices.

You should plan on waiting at least a year and ideally two to three years after construction before finishing your basement. This will give the foundation time to settle in response to the weight of your home and the expansion of the surrounding soil. You can then repair your foundation and seal any cracks as needed before finishing it to reduce your risk of future leaks or other issues.

The time it takes to finish or remodel a basement can vary significantly, ranging from a few weeks to several months or even up to a year. On average, the construction phase can take four to eight weeks, but the total project time can extend to three or four months when including planning and permits. The timeline depends on several factors, including the basement's size, design complexity, the scope of the work, and your contractor's availability. A more detailed breakdown for an average-sized basement might include: framing (3-5 days), electrical and rough-in plumbing (3-5 days), drywall installation (5 days), flooring (2-3 days), and final touches like painting and trim (about a week). If preliminary work like installing a waterproofing system or addressing structural issues is needed, the timeline could extend to six to twelve months. Factors like difficult access, material transport, and ventilation needs can also add to the project's duration.

Yes, it is possible to turn a regular basement into a walkout basement. Doing so involves excavating the land around at least one side of your basement foundation, installing retaining walls to create a permanent below-grade area outside your home, and then cutting into the foundation to install an exterior door that leads out to the new space. This is an expensive and time-consuming project, but it can add a lot of value and utility to your home.

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 Millis, MA homeowners’ guide to basement remodels

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