DryOtter has over 25 years of experience in construction and waterproofing industry serving Northern Illinois and Southern Wisconsin. We have repaired the toughest residential, commercial, and industrial basement water and moisture problems with the greatest level of customer service. In addition to basement waterproofing and foundation crack repair, we also provide Egress Window Installation, Crawlspace Services, and Basement Dehumidification.

Basement Waterproofing

Basement Waterproofing

Using high quality basement waterproofing products, and a staff that has encountered and virtually every challenge imaginable, DryOtter delivers effective solutions for all waterproofing needs >

Foundation Repair

Foundation Repair

When it comes to poured concrete, foundations cracks are not a matter of if but when. DryOtter’s crack repair solutions makes the crack bond to the wall again as if the crack was never there >

Egress Window

Egress Windows

Our egress windows meet building code requirements for emergency egress in finished basements, but can also be a great way to beautify and provide a great source of lighting for your basement >

Crawl Space Services

Crawl Space Services

Humidity in the soil and air releases damaging water vapor, which rises from crawl spaces and into your home. DryOtter’s solution is a durable, professional-grade crawl space liner which serves as a vapor barrier system >

Crawl Space Dehumidifier

Basement Dehumidification

Ventilation and air conditioning alone cannot provide the basement humidity control you can get from professional dehumidifier solutions. Might be a good idea to have a basement evaluation done to know for sure >

Basement Finishing

Basement Finishing

COMING SOON! Has your basement been ruined by water damage? After we fix the water issues, our finishing and remodeling team will be able to help you get your basement back to normal, or make it even better.


Fast Crack Icon


Fast Crack Icon


Recent Work

  • Egress Window
  • Crawlspace Work
  • Crawl Space Services
  • Foundation Repair
  • Egress Window
  • Crawl Space Dehumidifier
  • Carbon-Fiber-Straps

What Our Customers Say

  • Sarah F

    We used DryOtter for our water proofing needs. They came out to give us a detailed list on what needed to be done to insure our basement would never flood again. They completed the job in a timely manner and with a great professional manner. Highly recommend them.

    Sarah F
  • William J.

    The men that did the work were great! They were courteous, considerate, polite, and neat. I couldn’t of have asked for a better job. VERY SATISFIED.

    William J.
  • Barbara O.

    Once we made our initial call, they had a project manager at our house as soon as they could. He explained everything to us clearly and promised us that our basement would be free of water granted. It is positively wonderful to have a dry basement.

    Barbara O.
  • Illana B

    Had 2 cracks in my basement sealed. Dry Otter arrived on-time. They were courteous, professional and worked efficiently. I would call them again if needed and definitely refer them.

    Illana B
DryOtter Basement Health Assoc
DryOtter BBB Accredited