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Find Basement remodelers in Waukesha

Avatar for GR General Contracting
GR General Contracting
4.5(
216
)

Angi Approved

Super Service Award Winner

In business since 2004

Free estimates

Warranties offered

"GR did a great job on our basement remodel, painting a living room & converting a loft space to a bedroom. They were easy to work with, communicated well, and jobs were completed on time."
Recommended by81%of homeowners
Avatar for Kain Construction, LLC
Kain Construction, LLC
4.6(
46
)

Angi Approved

In business since 2000

Free estimates

Customers say: Quality work

"Job overall was good. Main issues observed were communication breakdowns between subcontractor and general contractor about organization of the project. Got a little hectic in the middle of the job. Project quoted at 2 weeks to complete, took about 4 weeks in total. Majority of work done by sub, and finishes by GC. However, final quality of work done was great and at a price that was hard to beat. "
3 neighbors recently requested a quote
Recommended by69%of homeowners
Avatar for Creative Renovations LLC
Creative Renovations LLC
5.0(
3
)

Angi Approved

In business since 2006

Free estimates

Customers say: Quick response

"Rick and his crew did a great job on our bathroom remodel. They were great at being flexible when issues arose during the project and always communicated with us. We are very happy with how it turned out. "
2 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Matrix Basement Finishing Milwaukee Metro
Matrix Basement Finishing Milwaukee Metro
4.2(
28
)

Angi Approved

In business since 1984

Warranties offered

Customers say: Quick response

"From start to finish, our experience with Matrix was outstanding. We had a big project and a specific deadline for completion. Our Field Manager, Ron kept the schedule updated and the project moving. Workers were on time, courteous, professional and clean, We couldn’t be happier with the finished product and the path to getting there. "
63 neighbors recently requested a quote
Recommended by60%of homeowners
Avatar for Emally's Construction, LLC
Emally's Construction, LLC
4.7(
46
)

Angi Approved

In business since 1990

Free estimates

Customers say: Quality work

"We worked with this team for our kitchen and bath remodel, and the entire experience exceeded our expectations. Their professionalism and attention to detail were outstanding from start to end. The tile work in both the kitchen and the bathroom floors was absolutely beautiful. The grout lines are clean and even, and the finish looks high-end. Their quality of service was top-notch. The crew showed up on time every day, kept the work area clean, and communicated clearly throughout the process. They explained each step, provided helpful recommendations, and made sure we were comfortable with every decision before moving forward. The work process was smooth and well organized. There were no surprises, delays, or hidden issues."
37 neighbors recently requested a quote
Recommended by63%of homeowners
Avatar for GRANZOW HOME IMPROVEMENT LLC
GRANZOW HOME IMPROVEMENT LLC
4.7(
13
)

Angi Approved

Super Service Award Winner

Customers say: Quality work

"Granzow Home Improvement LLC exceeded all expectations in finishing our basement, and we couldn’t be happier with the results! From start to finish, Richard and Bob displayed professionalism, skill, and a genuine passion for their craft. The attention to detail was incredible—from the high-quality materials used to the flawless execution of every feature. They transformed our basement into a beautiful, functional space that feels like an extension of the rest of our home, not just an afterthought. Whether it was customizing a plan to fit our needs or ensuring seamless design transitions with the same materials used when our home was built, they listened to our ideas and brought them to life perfectly. Beyond the craftsmanship, they were punctual, respectful, and kept the work area tidy throughout the project. Richard communicated with us every step of the way, ensuring there were no surprises and that we were thrilled with the progress. If you’re looking for a reliable, talented contractor to bring your vision to life, look no further than Granzow Home Improvement LLC . We wholeheartedly recommend them and would hire them again in a heartbeat! Thank you, Richard and Bob, for making our dream basement a reality!"
Recommended by92%of homeowners
Avatar for Fix Fast Flip
Fix Fast Flip
5.0(
5
)

Angi Approved

In business since 2020

Free estimates

Warranties offered

Fix Fast Flip, LLC is a home renovation company. We help homeowners expand and improve their living space through additions, dormers, decks, framing, windows, doors, basement finishing, and kitchen & bathroom renovations. Quality workmanship and clear communication are at the center of everything we do.

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FAQs for basement remodeling projects in Waukesha, 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 Waukesha, WI homeowners’ guide to basement remodelings

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