Indianapolis 317-271-0274 Anderson 765-644-0115
Bloomington 812-322-0087 Kokomo 765-452-1488
Columbus 812-378-0459 Lafayette 765-423-4991
Muncie 765-282-0082 Toll Free 800-871-6322

42 years of quality

A-1 Indiana Waterproofing Inc. is the only waterproofing company that has served homeowners in the Indianapolis area for over 40 years. This comes from our quality services and the reliable products we use.

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A-1 Indiana Basement Waterproofing, Foundation Repair, & Crawl Space Repair

Since 1976, A-1 Indiana Waterproofing Inc. has provided over 40,000 customers dry basements and structural repairs. We are proud of the fact that we have become Indiana’s oldest & most trusted basement waterproofing, foundation repair, and crawl space repair company. We provide service to all of Indianapolis, including Bloomington, Lafayette, Anderson, Muncie, Columbus, Kokomo, and other surrounding areas.

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Top Rated Customer Service

A-1 Indiana Waterproofing is an A-rated business with the Better Business Bureau, and has achieved the 2017 Super Service Award with Angie's List. This comes from our excellent knowledge, expertise, and professional services, by providing permanent solutions for basements, crawlspaces, and structural oritented repairs.

Angie's Super Service Award 2017
BBB A+ Rated Company - A-1 Indiana Waterproofing

We Specialize in Basement & Crawlspace Waterproofing, and Foundation Structural Repair

Basement Waterproofing for Wet Basements

Basement Waterproofing

A-1 Indiana Waterproofing offers a variety of basement waterproofing systems for home owners needing reliable solutions to their wet basement problems. There are several problems and areas that cause wet leaky basements, and we have the waterproofing solutions that you depend on to rid them once and for all. This includes our Gator Waterproofing System, along with our WAYNE® sump pump systems.

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Foundation Repair for Cracks and Structural Issues

Foundation Repair

We also provide foundation repair for homeowners with foundation settlement issues. Sinking foundations are a serious problem that can ruin your home through damaged and cracked foundations caused by shifting soil underneath and around your home. A-1 Indiana Waterproofing has a selection of foundation piers, carbon fiber supports, and other systems, to repair and eliminate these problems that would harm the structural integrity of your foundation.

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Crawl Space Repair for Damaged Crawlspaces

Crawl Space Repair

A-1 Indiana Waterproofing not only provides waterproofing for your basement but crawl space waterproofing as well. Our crawl space ventilation, sump pumps, floor supports, and clean out method is the finest in today's market giving your crawl space the support it needs to structurally uphold your home and protect it from water and weather conditions that threaten this area.

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Our Service Area

A-1 Indiana Waterproofing Service Area Find your city

Our Reviews

Average rating for A-1 Indiana Waterproofing is 5 stars of 5 stars - based on 50 reviews
Basement Waterproofing in Indianapolis, IN
The waterproofing crew from A-1 Indiana Basement Waterproofing were very professional and answered all of our questions at the time of scheduling and leading up to the basement repair project. They worked with up to schedule things in a timely manner once we decided to go with them. The ...
Sarah - Indianapolis, IN 46202
Basement Waterproofing in Indianapolis, IN
Ed and the guys did an excellent job repairing the damp basement issue. They called and informed me about arrival time and departure time, and answered all of my questions. They were very professional, and both the work and clean up were fantastic. I was treated very well and was extremely happy ...
Janna - Indianapolis, IN 46220

Contact Us


A-1 Indiana Waterproofing
9943 US-36
Avon, IN 46123