$500 OFF

Any Full Perimeter Waterproofing System with Sump Pump

Cannot be combined with any other offer. Not valid for prior work, must be presented and redeemed at time of estimate.

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Basement Waterproofing and Foundation Repair in Illinois & Iowa

Water in your basement? Basement flooding? Leaky foundation walls? High radon levels? A settling foundation? Call MidAmerica in Davenport for foundation repair and basement waterproofing services- we can help! We have designed effective solutions for drying wet basements, fixing wet crawl spaces, wall stabilization, and restoring structural integrity to your home.

MidAmerica Basement Systems is your premier locally owned and operated company that specializes in foundation repair, basement waterproofing, crawl space repair, cracked concrete repair, concrete leveling, concrete sealing, and radon testing or mitigation. We have served homeowners and businesses in Peoria, Cedar Rapids, Davenport, Waterloo, and throughout Western Illinois and Eastern Iowa.

Why Illinois and Iowa Residents Choose Us

  • Customer Satisfaction is Our Primary Concern
  • Quality Patented Products
  • Skilled Design Specialists and Installers
  • Permanent Warrantied Solutions

For over thirty years, thousands of IL and IA homeowners & businesses have chosen MidAmerica Basement Systems for foundation repairs and basement waterproofing services because of our dedication to quality work and customer service.

We are the exclusive installer of 30+ patented and warrantied basement waterproofing & foundation repair products. The products are installed by our servicemen who are specially trained at the Basement Systems, Inc. headquarters and adhere to the highest standards of professionalism and expertise.

You can expect us to arrive on time, to treat your Davenport home with respect and to provide answers to all your foundation repair and basement waterproofing questions. It is our commitment to quality and customer service that recently earned MidAmerica Basement Systems the honor of receiving the BBB Torch Award for Business Integrity.

Our Residential and Commercial Services

If you're in Illinois or Iowa and need basement waterproofing, foundation repair, crawl space encapsulation, concrete repair, or other services, just give us a call and we will have an expert give you a FREE estimate. Our services include:

  • Foundation repair including crack repair, wall repair, wall anchors, wall brackets, support beam replacement, and pier system installation
  • Basement waterproofing solutions such as downspout extensions, dehumidifiers, or the incredible CleanSpace┬« Vapor Barrier and ThermalDry┬« Vapor Barrier, as well as sump pumps and other drainage solutions
  • Crawl space repair solutions including waterproofing, entire encapsulation, drainage matting, drain solutions, vent covers, insulation, winterization, and more
  • Concrete leveling using the fast and effective PolyLevel┬« injections which are perfect for a variety of concrete repair needs, even commercial concrete leveling
  • In addition to structural repair solutions, we also perform radon mitigation, gutter installation, egress windows, and maintenance solutions

Recent Testimonials

Very polite professional service. Read Full Testimonial
jeff W.
Streator, IL
Kept me informed from start to finish Read Full Testimonial
Aaron H.
Streator, IL
They were always positive and encouraging. They displayed an incredible work ethic! Read Full Testimonial
Mike C.
Ottawa, IL
I was pleasantly surprised that they went through the process of pulling the building permit. Read Full Testimonial
Jennifer N.
Peru, IL
Tremendous work - very nice, professional, and courteous. Read Full Testimonial
Bill S.
Morton, IL
Its been a week since my system was installed in my crawl space and I already notice a positive difference in... Read Full Testimonial
Horman K.
Washington, IL


View All Affiliations

Quad Cities Builders and Remodelers Association
Western Illinois Builders Association
Greater Cedar Rapids Area Homebuilders Asociation
Home Builders Association of Greater Peoria
Home Builders Association of Illinois
Military Cost Cutters
National Association of Home Builders
National Association of the Remodeling Industry
National Radon Defense

our service area

We serve the following areas

IllinoisIowa Our Locations:

MidAmerica Basement Systems
4525 Buckeye Street
Davenport, IA 52802