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Find Basement remodelers in Columbus

Avatar for GRANZOW HOME IMPROVEMENT LLC
GRANZOW HOME IMPROVEMENT LLC
4.7(
14
)

Serving Columbus, 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

1 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Catalyst Custom Construction
Catalyst Custom Construction
4.6(
10
)

Serving Columbus, WI and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"The entire process was easy and done exactly the way we wanted it. Mike was great at giving us advice along with listening to what we wanted. Everyday work was completed mike cleaned up so it hardly looked like anyone was here. I would highly recommend mike!"
Bathroom remodel
Newly remodeled from that black shower. Such a great refresh.
A beautiful bath in a new house
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New House!

+30

Response time3 days
4 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Granzow Home Improvements, LLC
Granzow Home Improvements, LLC
4.1(
33
)

Serving Columbus, 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 Matrix Basement Finishing Madison
Matrix Basement Finishing Madison
3.3(
68
)

Serving Columbus, WI and surrounding areas

Approved

In business since 1984

Free estimates

Credit card accepted

"I am going through the basement remodel protocols and have been very please with the experience. Brett Fleury has helped me every step of the way suggesting creative ideas, fielding requests and he updates me every step of the way. Looking forward to the final outcome. Thanks Brett!"
Autumn Cabinets Refacing
Autumn Cabinets Refacing
Autumn Cabinets Refacing
Autumn Cabinets Refacing
Autumn Cabinets Refacing

+12

24 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Basement Repair Specialists, LLC
Basement Repair Specialists, LLC
3.0(
31
)

Serving Columbus, 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."
7 neighbors recently requested a quote
Recommended by53%of homeowners
Avatar for Shire Group LLC
Shire Group LLC
5.0(
2
)

Serving Columbus, 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

+4

Response time2 days
Response rate87%
42 neighbors recently requested a quote
Avatar for Matrix Basement Finishing
Matrix Basement Finishing
4.5(
296
)

Serving Columbus, WI and surrounding areas

In business since 2009

Free estimates

Warranties offered

"I hired Matrix to finish my basement and it turned out beautiful! This company runs like a very well-oiled machine. My project was done on-time and all sub-contractors were professional, polite, honest, and flexible. Very high-quality work! Matrix had been recommended to me by my neighbor and I'd 100% recommend them to anyone looking for top-notch basement remodel."
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+47

Response time2 days
Recommended by91%of homeowners
Avatar for Kitchen & Bath Solutions, LLC.
Kitchen & Bath Solutions, LLC.
4.8(
19
)

Serving Columbus, 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
Showing 1-10 of 44
FAQs for basement remodeling projects in Columbus, WI

Finishing a basement turns unused square footage into livable space and returns up to 70% of what you spend when you sell your home. Beyond that resale boost, you gain a playroom, home office, or guest suite you can start enjoying right away. That mix of daily comfort and solid return on investment (ROI) makes basement finishing one of the smartest upgrades you can tackle.

In some parts of the country—especially lots on swamps, high water tables, or other wetlands—local codes prohibit basements. Saturated soil puts constant pressure on foundation walls and lets water seep in faster than any sump pump can handle. 

If your property sits on waterlogged ground, building on a slab or crawl space is often safer, more affordable, and code-compliant.

Most basements wrap up in four to eight weeks. Framing takes three to five days, with electrical and plumbing rough-ins following over the next week. Add five days for drywall, two to three for flooring, and another week for paint, trim, and punch-list items. 

Delays can happen if materials run late or your contractor’s calendar is packed, so build in a little cushion when you plan.

Whether a finished basement counts toward your home’s official square footage depends on local rules. Many areas only include below-grade space if it has code-approved egress, fully finished walls, ceilings, and floors, plus consistent heating. 

Check with your local assessor or building department before you start; meeting those standards can affect taxes, appraisals, and resale value.

Building codes require a checklist: dedicated heat and electrical service, a code-approved stairway, and at least one egress window or exterior door. Walls, ceilings, and floors must be fully finished and meet insulation, ventilation, and fire-separation standards. If you add a bedroom, you’ll also need a closet, proper clearances, and safe exits. If you change the layout later, be ready to update the space so every new room still meets today’s code.

The Columbus, WI homeowners’ guide to basement remodelings

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