Get matched with top foundation, basement or crawlspace waterproofing / encapsulation pros in Chicago, IL

"Prepared basement/stairs fore entering/leaving/working, determined site of blockage, broker concrete at blockage site, re-connected drain pipe, recemented area, clean-u."

"Called company on Monday and got an appointment for an inspection on Wednesday. That following Monday, the technician arrived and went through each step is sealing off the concrete foundation to the water leak. The fix worked well and was put to the test with the recent record rains. Not one drop of water came into the basement."

"We had our basement waterproofed last year and were very happy. This year's project was adding two support beams. Again, we were very happy with the quality of the work and the people we dealt with. Both Gunnar and his team and Perfecto were skilled, efficient, and very professional. Highly recommend."

"Showed up on time, they were quick, clean and so far so good...no more water in my basement."

"My husband and I had a wonderful experience with The Real Seal in July 2024. They fixed a bowing foundation and waterproofed the basement for future finishing. Their team was prompt, respectful, organized and thoroughly educated us on the drainage tile system, installation process and prevention. Thank you, Real Seal for being the flawless first step to our dream basement/family space!"

"I found this company to be honest and very knowledgeable about foundation issues. They not only found the problem and fixed it, they did so without leaving a mess. 1 week after they made the outside repair, no could tell were they dug the hole and back filled it."

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"They are great to work with. Communication was superior. They stand by their work. A few years ago I had waterproofing done in my basement and this time they spray foamed the cavities of the basement too. Both times they did awesome work and cleaned up too! I highly recommend this company!"

"I used them to excavate and pour the foundation to an addition. They work was great."

"I own a multiunit building and in the last year I cannot tell you how many times I’ve had contractors not show up, give a quote and not return, overcharge, not complete the work, complete the work poorly, make excuses, waste time, or refuse to do business on the south side.....it’s been very stressful. So much so that I considered selling the property because it was so difficult to get the help I needed. I decided to keep trying and found HomeAdvisor. They recommended Aco/Daniel. We talked on Thursday evening and he said he could probably do Tuesday. I wanted to cry because I had just hired someone who didn’t complete the work but told my tenants he’d be back Saturday and his was like the 4th guy. So I really wanted someone to show up and get it done. Daniel said he could do Sunday if I really needed. I did. We agreed on a price and he said to let him know. I decided to go with him and we confirmed via text. I kind of expected him not to show based on the number of bad experiences I’d had. That’s how done I was. Sunday morning, he texted to let me know he was on the way. I arrived at the building and walked through unit by unit with him and Peter. They understood what I wanted and kept asking what else to be sure nothing was missed. They left to get materials. I left to get doorbells. When I came back they were almost done with a door on one floor. Then they moved to the next floor. It was then that I realized I had been holding my breath. This was working out! The work looked good. They were going the extra mile. They were professional. They were working hard and focused. They asked if I was happy with each item they completed before moving on. Even my picky tenant was happy with the work. I can’t tell you how pleased I am with these guys and their performance. This is the first time I’ve felt like I could rest because my tenant’s checklists were completed. Some have been waiting since August. The work is great. Their attitudes are great. I told Daniel that I’ve never been so happy to pay for something. I cannot wait to recommend them and they will be the first people I call in the future. Thank you guys so much."