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Avatar for Groundworks

Groundworks

4.18(
17
)
Approved Pro

Groundworks

4.18(
17
)
Approved Pro
Customers say: Super punctual
40 local quotes requested
20 years of experience

Groundworks, formerly, Innovative Basement Authority, is renowned for delivering unparalleled solutions since 2005. From foundation repair, structural reinforcement, crawl space encapsulation, basement waterproofing, and concrete lifting, we provide comprehensive services tailored to meet your needs. With our coverage spanning across the state of Minnesota & part of North Dakota, we bring our local expertise closer to you. Groundworks proudly holds accreditation from the Better Business Bureau, a testament to our unwavering commitment to excellence. Drawing from decades of collective experience, extensive industry knowledge, and ongoing specialized training, our dedicated team is poised to safeguard your residential property against water damage, concrete sinking, and foundation instability. At Groundworks, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate! BC765730 (MN)

"Jeremiah T, Matt Yang and Seth R did a great job on my project. Arrived on time and explained everything about my project. They are very professional and work area was clean."

Sue W on October 2025

Groundworks, formerly, Innovative Basement Authority, is renowned for delivering unparalleled solutions since 2005. From foundation repair, structural reinforcement, crawl space encapsulation, basement waterproofing, and concrete lifting, we provide comprehensive services tailored to meet your needs. With our coverage spanning across the state of Minnesota & part of North Dakota, we bring our local expertise closer to you. Groundworks proudly holds accreditation from the Better Business Bureau, a testament to our unwavering commitment to excellence. Drawing from decades of collective experience, extensive industry knowledge, and ongoing specialized training, our dedicated team is poised to safeguard your residential property against water damage, concrete sinking, and foundation instability. At Groundworks, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate! BC765730 (MN)

"Jeremiah T, Matt Yang and Seth R did a great job on my project. Arrived on time and explained everything about my project. They are very professional and work area was clean."

Sue W on October 2025


Avatar for American Waterworks

American Waterworks

4.78(
132
)
Approved Pro

American Waterworks

4.78(
132
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
457 local quotes requested

When it comes to water in your basement or a faulty foundation, you need an expert to ensure the damage is reversed and prevented from occurring in the future. American Waterworks has several decades of experience in the basement waterproofing and foundation repair industries, and we know the best tools and techniques to see your home through its troubles. Our professional installers are experienced in solving the wide variety of problems that allow water into basements and other areas below ground level. We've helped property owners with thousands of repairs and other restorations to homes in Minnesota, North Dakota, northeastern Iowa and western Wisconsin. American Waterworks is ready to serve all of your basement, crawl space, foundation, concrete leveling and radon mitigation needs. Call us today for a free estimate!

"This job was completed efficiently and professionally. A design specialist came to test and measure every detail for the project. The crew arrived with everything needed for the job. They worked very hard to install Waterguard in the concrete floors inside around the foundation to the sump pump basket. They also installed Geo-lock anchors to support a block wall that was bowed. This company has 36 years in business and provides excellent results and professional customer relations. Call Amer. Wtrwrks for a free estimate. You will not be disappointed. A wise investment of $11,270."

Donna A on September 2025

When it comes to water in your basement or a faulty foundation, you need an expert to ensure the damage is reversed and prevented from occurring in the future. American Waterworks has several decades of experience in the basement waterproofing and foundation repair industries, and we know the best tools and techniques to see your home through its troubles. Our professional installers are experienced in solving the wide variety of problems that allow water into basements and other areas below ground level. We've helped property owners with thousands of repairs and other restorations to homes in Minnesota, North Dakota, northeastern Iowa and western Wisconsin. American Waterworks is ready to serve all of your basement, crawl space, foundation, concrete leveling and radon mitigation needs. Call us today for a free estimate!

"This job was completed efficiently and professionally. A design specialist came to test and measure every detail for the project. The crew arrived with everything needed for the job. They worked very hard to install Waterguard in the concrete floors inside around the foundation to the sump pump basket. They also installed Geo-lock anchors to support a block wall that was bowed. This company has 36 years in business and provides excellent results and professional customer relations. Call Amer. Wtrwrks for a free estimate. You will not be disappointed. A wise investment of $11,270."

Donna A on September 2025


Avatar for All-Star Basements

All-Star Basements

4.67(
21
)
Approved Pro

All-Star Basements

4.67(
21
)
Approved Pro
Customers say: Terrific value
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
36 local quotes requested

All-Star Basements is based out of Rochester, Minnesota and covers Southern Minnesota including the Twin Cities area, Western Wisconsin and parts of Northeast Iowa. Our team is committed to solving our customers’ waterproofing, foundation repair, or crawl space needs and offering multiple solutions to choose from. As a proud member of the National Waterproof Members of America, we have the best products available to solve your leaky basement, seepage, or flooding issues. Our lineup also includes multiple crawl space solutions. If you have foundation problems that need any kind of repair, we can help! We feature the nationally renowned Grip-Tite Foundation Systems, which has a long history of fixing homeowners’ foundation repair issues. At All-Star Basements, we are committed to providing multiple solutions to choose from to help fix any basement problem you may have. We take great pride in caring for all of our customers’ needs, big or small - we do it all!

"Great costumer service! They were honest when giving us a consultation."

Allison J on December 2020

All-Star Basements is based out of Rochester, Minnesota and covers Southern Minnesota including the Twin Cities area, Western Wisconsin and parts of Northeast Iowa. Our team is committed to solving our customers’ waterproofing, foundation repair, or crawl space needs and offering multiple solutions to choose from. As a proud member of the National Waterproof Members of America, we have the best products available to solve your leaky basement, seepage, or flooding issues. Our lineup also includes multiple crawl space solutions. If you have foundation problems that need any kind of repair, we can help! We feature the nationally renowned Grip-Tite Foundation Systems, which has a long history of fixing homeowners’ foundation repair issues. At All-Star Basements, we are committed to providing multiple solutions to choose from to help fix any basement problem you may have. We take great pride in caring for all of our customers’ needs, big or small - we do it all!

"Great costumer service! They were honest when giving us a consultation."

Allison J on December 2020


Thompson Concrete and Masonry

No reviews yet

Thompson Concrete and Masonry

No reviews yet

Thompson Concrete and Masonry Inc. is a full service concrete and masonry construction company with over 20 years of experience in all aspects of residential and commercial concrete, stone, block, restoration and structural applications. An owner operated establishment, we strive for exceptional standards and personable customer relationships. Committed to bringing our customers a product with enduring value completed with the highest level of safety operations, productivity, quality, integrity, service and innovation. We work closely with general contractors, structural engineers, architects, and owners to ensure projects are in budget and on schedule.

Thompson Concrete and Masonry Inc. is a full service concrete and masonry construction company with over 20 years of experience in all aspects of residential and commercial concrete, stone, block, restoration and structural applications. An owner operated establishment, we strive for exceptional standards and personable customer relationships. Committed to bringing our customers a product with enduring value completed with the highest level of safety operations, productivity, quality, integrity, service and innovation. We work closely with general contractors, structural engineers, architects, and owners to ensure projects are in budget and on schedule.


J&J Masonry

No reviews yet

J&J Masonry

No reviews yet
12 years of experience

Residential construction of concrete slabs and block walls. Our employees have over 60 yrs of combined experience in this field. Generally 50% down is needed (to cover cost of materials. This is often waived depending on the size of job. Balance due upon completion of work.

Residential construction of concrete slabs and block walls. Our employees have over 60 yrs of combined experience in this field. Generally 50% down is needed (to cover cost of materials. This is often waived depending on the size of job. Balance due upon completion of work.



Fresh Look Restoration

No reviews yet

Fresh Look Restoration

No reviews yet
45 years of experience

Anderson Fresh Look Restoration specializes in vintage home restoration and design. He replaces original ironwork, recreates woodwork, updates and installs green components, and even adds decorative elements including stamped and stained concrete.. Bruce E. Anderson has more than 30 years experience in historic home preservation.. He is licensed as a master journeyman welder and residential general contractor. He maintains certifications in lead-based paint renovations.

Anderson Fresh Look Restoration specializes in vintage home restoration and design. He replaces original ironwork, recreates woodwork, updates and installs green components, and even adds decorative elements including stamped and stained concrete.. Bruce E. Anderson has more than 30 years experience in historic home preservation.. He is licensed as a master journeyman welder and residential general contractor. He maintains certifications in lead-based paint renovations.



TENNYSON CONSTRUCTION-Wet Basement Specialists

5.00(
1
)

TENNYSON CONSTRUCTION-Wet Basement Specialists

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Tennyson Construction - Wet Basement Specialists is the leading basement waterproofing and foundation repair company in Southern Minnesota and Northern Iowa. In business since 1981, they have worked in over 4,200 basements. Our interior tiling system to repair wet basements is backed by our transferable warranty, transferable to future owners of the home. If the basement foundation has problems (cracked, buckled or bowed basement walls), Tennyson Construction can straighten, brace, repair or replace basement and foundation problems. We offer no obligation free estimates with no high pressure sales tactics. We examine what is going on, tell you what we would do to fix the problems, bid the project, and leave the decision up to you. We do our own work, without any subcontractors. We feel one of our biggest advantages of Tennyson Construction is that we are not a Franchise business (we can tailor the right solution to each type of basement problem - no incentive to push products and services that may not be needed to meet franchise quotas). The second is that we specialize in working in basements, so our focus is always on the basement problems and solutions to those problems. The third is we back our work. Finally, most of our customers' projects begin with referrals from other customers, real estate agents, building officials, insurance agents, cleaning companies, and plumbers. Our projects are done in less than four days with qualified basement professionals. If our proposals are accepted, usual payment for those projects is done upon completion. Our company takes pride in its work, and we are proud of our small-town, locally-owned, family-owned business. Our employees really enjoy working with customers, as they see the joy that a family has when they get to enjoy their basement even more after our work.

Tennyson Construction - Wet Basement Specialists is the leading basement waterproofing and foundation repair company in Southern Minnesota and Northern Iowa. In business since 1981, they have worked in over 4,200 basements. Our interior tiling system to repair wet basements is backed by our transferable warranty, transferable to future owners of the home. If the basement foundation has problems (cracked, buckled or bowed basement walls), Tennyson Construction can straighten, brace, repair or replace basement and foundation problems. We offer no obligation free estimates with no high pressure sales tactics. We examine what is going on, tell you what we would do to fix the problems, bid the project, and leave the decision up to you. We do our own work, without any subcontractors. We feel one of our biggest advantages of Tennyson Construction is that we are not a Franchise business (we can tailor the right solution to each type of basement problem - no incentive to push products and services that may not be needed to meet franchise quotas). The second is that we specialize in working in basements, so our focus is always on the basement problems and solutions to those problems. The third is we back our work. Finally, most of our customers' projects begin with referrals from other customers, real estate agents, building officials, insurance agents, cleaning companies, and plumbers. Our projects are done in less than four days with qualified basement professionals. If our proposals are accepted, usual payment for those projects is done upon completion. Our company takes pride in its work, and we are proud of our small-town, locally-owned, family-owned business. Our employees really enjoy working with customers, as they see the joy that a family has when they get to enjoy their basement even more after our work.


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Foundation Repair questions, answered by experts

A slab-on-grade or slab foundation is a great option in many areas—usually in warm or moderate climates—and has been a successful foundation style for many decades. Slab foundations don’t require excavation or concrete block wall construction, so they’re the least expensive foundation type. They’re also the fastest to construct and don’t have many issues with moisture or water intrusion. However, they don’t give you extra storage space or potential living space like a crawl space or basement would, and they’re not ideal in colder areas where utility lines can freeze and frost heave can cause major damage.

Yes. A foundation wall can usually be replaced, but you’ll want to call a foundation professional.

There are a few ways to reinforce a pier and beam foundation, including installing additional piers and beams for added support and performing underpinning, which redistributes the weight of your home further down into the ground where frost and soil expansion don’t pose a threat to the foundation. The best option for reinforcement varies based on your particular home and the soil conditions beneath it.

Foundation cracks that are 1/8 inch wide or less, aren’t uneven across the gap, and don’t continue widening over time are usually just normal settling cracks and don’t suggest structural issues. Horizontal cracks and stair-step cracks on foundation walls, any cracks that continue widening, are wider than 1/8 inch, or where one side juts out beyond the other, are often indicative of structural damage.

Most single-story homes don't have foundations strong enough to support a second story, but they can be reinforced for an addition. A structural engineer can assess your foundation and what needs to be done to get it ready. They'll look at any cracks or unevenness in your current foundation and consider any special framing or beams your home needs, especially if it’s in a high-wind or hurricane area.

“To support a second story, many structural engineers will require that you install additional concrete piers in the crawlspace,” says Tschudi. “This involves hand excavating, pouring a large concrete footing—usually with specially coated rebar—and then building concrete piers right up to the girders.”

The North Mankato, MN homeowners’ guide to foundation repairs

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