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    Average homeowner rating
  • Verified reviews icon77
    Verified basement remodels reviews

Top-Rated Basement remodelers in Merton - Updated Nov 2026

Avatar for GR General Contracting
GR General Contracting
4.2(
268
)
Basement - Remodel

Serving Merton, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Warranties offered

"My basement turned out amazing! Full bathroom installed, including 3-person sauna. Electrical work, lightening, painting, drywall and matte finish black ceiling all turned out fantastic! Gordan’s crew were all terrific. Professional, hard working, and always cleaned up before leaving for the night. Highly recommend!"
Basement
Basement
Basement
Basement
Basement

+63

Response time9 hrs
1 neighbors recently requested a quote
Recommended by79%of homeowners
Avatar for GRANZOW HOME IMPROVEMENT LLC
GRANZOW HOME IMPROVEMENT LLC
4.7(
14
)
Basement - Remodel

Serving Merton, WI and surrounding areas

Approved

Super Service Award Winner

Customers say: True professional

"Granzow Home Inprovement was amazing, from the initial meeting, to questions or concerns we had, before, during, and after the work was performed. We were pleasantly surprised mostly by the care and concern Rick and Bob took regarding their customer, which is rare in many businesses. This was our first home remodel project, we learned a lot from it, and we love our basement! Keep up the excellent service!"
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+38

Recommended by92%of homeowners
Avatar for GR General Contracting LLC
GR General Contracting LLC
4.9(
30
)
Basement - Remodel

Serving Merton, WI and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"I hired GR General Contracting to remodel my basement. Every aspect of the project was excellent. My remodeled basement is beautiful. I would definitely hire again. Gordon communicated regularly about the project schedule and kept me up to date every step of the way. The crew were outstanding and it was a pleasure to have them working in my my home. At the end of every day I received a walk through of the progress and an overview of the next days work. I am thoroughly impressed with my experience working with GR General Contracting."
Basement
Basement
Basement
Basement
Basement

+15

Response time9 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for Granzow Home Improvements, LLC
Granzow Home Improvements, LLC
4.1(
33
)
Basement - Remodel

Serving Merton, WI and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"Rick and Bob did a wonderful job finishing our basement. They are easy to work with and take care of scheduling all the sub contractors(which were awesome too) and inspections to keep the project running smoothly. We get many compliments on the look and craftsmanship of their work. Highly recommend them!"
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+58

Response time1 day
Recommended by60%of homeowners
Avatar for Pride & Quality Custom Homes & Cabinets, Inc.
Pride & Quality Custom Homes & Cabinets, Inc.
4.3(
28
)
Basement - Remodel

Serving Merton, WI and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"When my wife and I recently decided to finish our basement we ended up interviewing several different contractors. Pride and Quality (Ron) is the first we met with and ultimately the one we felt would do the best job. Ron was extremely knowledgeable, professional and demonstrated excellent communication with us throughout the entire process. Ron gave us a very reasonable expectation of a budget and also worked very efficiently on the project to complete it in a shorter time frame than we had initially expected. Ron was also very responsive throughout the entire process with any questions we had. All of his subs were equally as great, and if we did run into any (very minor) issues Ron was quick to connect with us and to make sure everything went smoothly. We cant recommend Pride and Quality enough and are very, very satisfied with the outcome of our basement project."
Response time1 day
Response rate91%
Recommended by85%of homeowners
Avatar for Basement Repair Specialists, LLC
Basement Repair Specialists, LLC
3.0(
31
)
Basement - Remodel

Serving Merton, WI and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"Dave A, of "Basement REPAIR SPECIALISTS", is someone you should have on speed dial. Dave showed up and thoroughly inspected the areas of concern. After examining the basement area he said he would like to look at the outside of the home. He took his time, commenting on yard drainage grade, gutters, and roof pitch. He said, "he would love to take the Job but he thought we should first take a much cheaper approach to repair our problem". Dave obviously is a man of integrity. We decided to take his recommendations. If we still have continued problems, Dave will be our contractor of choice. It's really nice to do business with a thorough and honest man."
9 neighbors recently requested a quote
Recommended by53%of homeowners
Moore Custom Solutions, LLC
New to Angi
Basement - Remodel

Serving Merton, WI and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Moore Custom Solutions LLC is 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

Avatar for Matrix Basement Finishing
Matrix Basement Finishing
4.5(
296
)
Basement - Remodel

Serving Merton, WI and surrounding areas

In business since 2009

Free estimates

Warranties offered

"Matrix team created an amazing remodel in our raw basement. We love the efficiency of the contractors and the explanation of the process of completing the project. We love our new basement!"
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+99

Response time2 days
Response rate100%
Recommended by91%of homeowners
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Basement Remodel FAQs, answered by experts

Basements are commonly converted into game rooms. The potential challenges you may run into include controlling moisture, working with low ceilings, limited natural light, and the need for additional electrical or HVAC work. Addressing these issues can add to the total cost, but it ensures a comfortable and functional space.

A finished basement does not always count as square footage, as this varies by state regulations. In areas that allow below-grade spaces to be included in a home's official square footage, the basement must typically meet certain conditions. These conditions often include having a functional egress and being a livable space with flooring, finished walls, and temperature control. To be certain, contact your local assessor to confirm your area's specific policies regarding basement square footage.

While framing a basement is not as difficult as finishing a basement, it's something you should typically leave to the pros. That’s because if something is installed correctly, it will affect your entire basement. However, you can take care of some of the smaller tasks, like filling holes or putting up some insulation.

Unless you have extensive experience in construction work, remodeling a basement is best left to a professional. There are several tasks associated with this project that require exact precision, including:

  • Replacing insulation 

  • Replacing carpet or other flooring 

  • Adding heating and cooling

  • Adjusting or adding walls and doors

  • Altering or adding plumbing elements

If any of these elements is done incorrectly, it could severely impact the quality of your basement remodel and be dangerous. Changing a basement often comes with code safety requirements, like egress windows and proper ventilation. Therefore, leaving it up to a professional is often the best decision.

You should always use high-quality lumber for your framing in order to ensure it will last the test of time and resist moisture. Use 2-foot by 4-foot lumber that is pressure-treated for your framing.

The Merton, WI homeowners’ guide to basement remodels

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