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"Honestly - the worst experience ever. TLDR: two faulty installs by the company caused $10,000 damage in our basement and made our basement completely unusable for 9 months. They did our basement in 2020. When a contractor worked in the basement in 2024, he found water everywhere. Ohio State Waterproofing admitted they installed their very expensive waterproofing system incorrectly. We had $10,000 worth of damage because of their faulty install. They said they would redo the system but would NOT pay for the $10,000 damage their faulty install caused. Then to make matters worse, when we went to install our carpet months later (the concrete has to cure), the concrete came up in chunks - Ohio State Waterproofing did a FAULTY INSTALL NOT ONCE BUT TWICE. Our basement was completely unusable for months while the concrete cured AGAIN. Again, they redid the waterproofing a third time but made no effort to compensate us for our unusable basement or stress because of their terrible company."

"I wish I had hired them first! I hired another company to fix my moving bowed and shearing basement walls. They were primarily a waterproofing company, but said they had the solutions to my issues. 3 months after they were complete, my walls cracked and shifted again. (Note, in the attached photos, the patchwork quilt on the walls was the OTHER company.) OBA fixed my issues the correct way. And they were great at every step. The work crew Caleb, Delontae, and Dylan were fast, efficient, and cleaned up when they were done. Caleb made sure to explain what was happening as they did the work and ask if I had questions. The work was thorough, and I feel good about it. And even better, they'll be out in 6 months to ensure everything is working as it should and make adjustments if needed."

"They never conatced me."

"3 unsupervised teens were sent out. I showed them what I wanted done. Lawn and beds had a small amount of leaves (fall cleanup done prior)that required raking and use of a blower. They spent an hour and 20 minutes walking around with a blower and leaves, pine cones, and 2 plastic bags against the fence. Half the leaves were untouched, and the gate left opened. When I spoke to the manager about the incompleted work, she said I would have to pay for additional hours. The amount of work could have been completed in less time if they had done the work as instructed. I would not recommend this company. These teens should have had an adult to supervise the work."

"We were faced with a difficult project at our home. The retaining wall that bordered our walk out basement needed replacement. It was originally built with railroad ties 29 years ago. The ties were rotting, splintering and beginning to lean inward. To further complicate the situation, our deck was adjacent to the wall and essentially one story higher. A few contractors looked at the situation. One failed to get back to us at all. It was no doubt his way of saying that the project was too difficult and unpredictable. Jose Gutierrez accessed the situation knew exactly what needed to be done. He further understood the need to fortify the deck posts to prevent a disaster. This was an expensive project. GTZL wasn't the lowest bid. It was clear that Jose fully understood the scope of the project and was enthusiastic about taking on the challenge. He laid out his plan to secure the deck and provide the critically needed drainage necessary for the wall to survive. He made several promises concerning how they would proceed and outcomes we could expect, and he followed through on all of them. The end result was a beautifully constructed wall of interlocking solid stones. A drainage system was carefully constructed around the wall and a new central drain installed. GTZL did a wonderful job of restoring our yard, as the heavy equipment and supplies brought in for the project took a toll on the landscape. We appreciated that the crew was very respectful of our property throughout the construction process."

"Had Betts Structural Engineering come and look at the foundation of a house we were in contract on. Josh came out and was professional and informative. He informed us the foundation was failing and explained what needed to be done. He throughly explained everything and told us how we could do it ourselves for much cheaper than a contractor could do it. In the end he saved us from a long and expensive process if we proceeded with the house."

"Robert did an excellent on my driveway, very thorough, punctual, and professional. Would definitely hire him again. Reasonably priced."