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Proudly serving Bismarck, Fargo, Grand Forks, Minneapolis, Sioux Falls and St. Cloud.

Basement Waterproofing and Foundation Repair Experts

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  • BBB A+
  • Financing
  • Warranty
  • 18+ Years
  • Top Work
    Places 2023
  • 2022 Super
    Service Award

Our Customers Trust Us

Proudly Serving Bismarck, Fargo, Grand Forks, Minneapolis, Sioux Falls and St. Cloud

Bismarck · Fargo · Grand Forks · Minot · Saint Cloud
· Sioux Falls · Duluth · Minneapolis · Rochester

Why Homeowners Choose Innovative Basement Authority

Since 2005, Innovative Basement Authority – A Groundworks Company – has specialized in helping homeowners have peace of mind knowing their homes are stable and dry. IBA is proud to have an established reputation for high quality work and personalized service.

Offer ends 09/30/2023

A Crack in Your Foundation Shouldn't Break the Bank

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Take advantage of

up to $500 off

any job over $2500*

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Innovative Basement Authority Service Map

We service Minnesota, North Dakota, South Dakota and Eastern Montana for basement waterproofing and crawl space repair

Fargo, ND

1330 41st St. N
Fargo, ND 58102

Minneapolis, MN

6265 Carmen Ave.
Inver Grove Heights, MN 55076

Rush City, MN

1325 S Frandsen Ave
Rush City, MN 55069

Sioux Falls, SD

101 S. Reid Street, Suite 307
Sioux Falls, SD 57103