Your Basement Solution in Chicago

Perma-Seal has been the most trusted basement waterproofing contractor and foundation repair specialist serving Chicago and Northwest Indiana for over 37 years. Our informative video featuring Perma-Seal Founder, Roy Spencer and National Home Improvement Expert, Lou Manfredini will help you understand how and why Perma-Seal is dedicated to providing you with a superior customer experience and the greatest value for your home.

Our Vision is:

To Make the World a Better Place

Our Mission is:

To build a sustainable organization that is dedicated to...

  • Providing a superior customer experience and the greatest value.
  • Doing the right thing for our Clients, Tribe, Partners and Community.
  • Continual improvement through innovation and self-evaluation.

Featured Reviews

Average rating for Perma-Seal is 5 stars of 5 stars - based on 214 reviews
Cracks In Foundation in Skokie, IL
My experience went very well. The staff was very professional, friendly and knowledgeable in their field. The pricing was reasonable and I was pleased with the outcome of the service. I would ...
Foundation Repair in Waukegan, IL
I requested an estimate for a leak in foundation . Dan McGowan came out,did a preliminary review and came back to dig out my foundation to find the crack. He only found a poor job by the previous ...
Foundation Repair in Woodridge, IL
Victor and Eleazar from Perma-Seal did a wonderful job. They cleaned the job sites in and out when finished. We need more people like them in the world! (read actual letter) ...