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Top-Rated Basement remodelers in Beaver Dam - Updated Nov 2026

Avatar for GRANZOW HOME IMPROVEMENT LLC
GRANZOW HOME IMPROVEMENT LLC
4.7(
14
)
Basement - Remodel

Serving Beaver Dam, 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 Granzow Home Improvements, LLC
Granzow Home Improvements, LLC
4.1(
33
)
Basement - Remodel

Serving Beaver Dam, WI and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"Bob and Rick did an incredible job finishing our basement. They were willing and able to accommodate all of our requests and maintained open lines of communication throughout the entirety of the project. Rick responded to all communications very quickly and was always willing to field a call with any questions. From the start of the bidding process through the end of construction, Bob and Rick were always professional and provided guidance and transparency at every step while still allowing us some creative flexibility during the design process. We are consistently getting compliments on the superb craftsmanship of our basement. If you are looking for a professional team, clear and timely communication, and magnificent quality of work, I highly recommend Rick and Bob at Granzow Home Improvements."
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+58

Response time1 day
Recommended by60%of homeowners
Avatar for Shire Group LLC
Shire Group LLC
5.0(
7
)
Basement - Remodel

Serving Beaver Dam, WI and surrounding areas

Approved

In business since 2023

Free estimates

Offers commercial services

"We had Shire Group work on a remodel of a new office for us. They removed walls, framed in new doorways, and, in an ample space, created five new offices from the ground up. They asked questions that we never would have thought of. After completing the project, many visitors asked about their work besides the new offices. This shows how detailed they were; people could not tell new trim from old trim, removed doorways, moved light switches, and turned an old mailroom into extra space in our kitchen."
Interior Stone
Rim boards + glulams
Location
Fireplace
South Face

+26

Response time1 day
Response rate100%
30 neighbors recently requested a quote
Avatar for Basement Repair Specialists, LLC
Basement Repair Specialists, LLC
3.0(
31
)
Basement - Remodel

Serving Beaver Dam, 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."
8 neighbors recently requested a quote
Recommended by53%of homeowners
Avatar for Matrix Basement Finishing
Matrix Basement Finishing
4.5(
296
)
Basement - Remodel

Serving Beaver Dam, 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
Avatar for Kitchen & Bath Solutions, LLC.
Kitchen & Bath Solutions, LLC.
4.8(
19
)
Basement - Remodel

Serving Beaver Dam, WI and surrounding areas

In business since 2014

Free estimates

Credit card accepted

"About two years ago, the KBS team (including Alberto and Elizabeth) completed a remodel of our house to accommodate a family member with disabilities. They were fantastic: excellent communication, attention to detail, recommendations and project coordination. Super responsive and friendly, too! We are so happy with the results and had a really positive experience in the planning and remodel itself."
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+65

Recommended by100%of homeowners
Avatar for K.O. Handyman and Plastering, LLC
K.O. Handyman and Plastering, LLC
5.0(
11
)
Basement - Remodel

Serving Beaver Dam, WI and surrounding areas

In business since 2020

Free estimates

Small jobs welcome

"Hired KO to re-plaster my dining room, living room, and front entry way walls and ceiling. Plasterers James and Luke and their team were awesome. They handled the job in 5 days and now the front half of my house looks amazing. When I was getting this quoted by other companies, I thought I was never going to be able to afford the work. But KO came in at an affordable price and did an awesome job! Definitely recommend to any one looking plaster repair work."
Response time1 day
Response rate96%
Recommended by72%of homeowners
Showing 1-10 of 40
Basement Remodel FAQs, answered by experts

Professional remodelers streamline the process, manage permits, and handle renovations efficiently—significantly mitigating risk while maintaining standards.

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.

Renovations that add functionality or more comfortable floor space generally add the most value when remodeling your home. Attic or basement finishing can add floor space without altering the home's structure, saving you renovation money while adding valuable space. Smaller improvements, such as installing smart-home components or replacing entry doors and windows, also experience high ROIs. 

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.

Adding an extension or addition to your home costs more than a loft conversion in all but the rarest cases where the home's structural integrity is lacking. Because a home addition requires a new foundation section or significant structural upgrades to handle a cantilevered portion, the cost compared to almost any loft conversion is significantly greater for the same square footage.

The Beaver Dam, WI homeowners’ guide to basement remodels

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