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Find Basement remodelers in Buffalo

Foremost Builders, Inc. dba Foremost Construction
5.0(
6
)

Angi Approved

In business since 2015

Free estimates

Customers say: Quick response

"We were really impressed with the team and the building process. It was so smooth, and we didn't have to oversee every little detail. From the initial quote, contract, permits, and HOA approval to the installation and inspection, everything was well-coordinated and communicated. The cost was competitive, and we received five quotes. Nick was the first contractor to give us an official in-person quote. He took the time to walk through our property, identified a few possible challenges in our project, and made sure to note them so the team could ensure a high-quality installation. During the inspection, the city building inspector was really impressed with the workmanship. He mentioned that the company had built the deck above and beyond the required standards. Another reviewer mentioned that "Foremost is the builder to work with for a low-stress, high-quality build." We definitely agree - you won't regret working with them."
Recommended by16%of homeowners
Avatar for Blue Sky Contractors LLC
Blue Sky Contractors LLC
5.0(
14
)

Angi Approved

In business since 2022

Customers say: Quick response

"Exceptional work well prepared thoroughly thought out the project and offered a great solution for our garage storage. I would definitely hire Blue Sky Contractor‘s again."
6 neighbors recently requested a quote
Recommended by64%of homeowners
Avatar for Excel Renovation, LLC
Excel Renovation, LLC
5.0(
28
)

Angi Approved

In business since 2020

Free estimates

Warranties offered

"Shane and Chase at EXCEL came out to survey and repair already existing underdecking that was the ceiling to our sunroom under our outdoor deck that was initially installed by another contractor earlier on and it was leaking like crazy. EXCEL completely re-did it did it right, and greatly improved the quality and the asthetic feature overall. They remained to finish every last detail , cleaning up the area around it in our back yard when they were finished and taking great care as if it was thier own property. We could not be happier! would always go with EXCEL and wished we had found them earlier!"
18 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Stonehearth Remodeling
Stonehearth Remodeling
5.0(
15
)

Angi Approved

Super Service Award Winner

In business since 1999

Free estimates

Warranties offered

"I wanted to add a sunroom and deck to the back of my house. Stonehearth really listen to what I wanted to do and made suggestions on how to make my project even better. I liked their transparent pricing. It helped me see what things cost. The project management team was great to work with. They kept me informed about what was going on and when problems came up, they came to me with solutions. I would definitely hire them again. "
46 neighbors recently requested a quote
Avatar for St. Croix Kitchen & Bath Inc.
St. Croix Kitchen & Bath Inc.
4.5(
16
)

Angi Approved

In business since 2019

Free estimates

Warranties offered

"We signed a contract with St. Croix Kitchen and Bath in May of 2025 to have our 3 bathrooms updated. We put down half of the project?s cost which was a substantial amount. It is now February of 2026 and we only have 1 bathroom completed. The owner is dishonest, rude and unprofessional. The whole process with them has been very stressful- very poor communication. Avoid this company at all costs - they are most likely in financial trouble."
7 neighbors recently requested a quote
Recommended by87%of homeowners
JAG Contracting
5.0(
2
)

Angi Approved

In business since 2019

Free estimates

Customers say: Quick response

"Joe and his team did a fantastic job with our roof on our home and garage and did so on time and within our budget. Joe also completed some siding work that was in need of repair and went above and beyond to make sure we were completely satisfied. I highly recommend Joe to my family and friends for any exterior work that needs to be completed!"
13 neighbors recently requested a quote
Recommended by100%of homeowners
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FAQs for basement remodeling projects in Buffalo, MN

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 Buffalo, MN homeowners’ guide to basement remodelings

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