
Crawlspace Encapsulation, Basement Waterproofing, Foundation Repair , and 6 more
"Gerad Walker came out to my house to check on my crawl space. He found the dehumidifier that I thought had quit working had been set to high. He adjusted the settings and said the unit was working like a champ. In this day and time it is rare to have someone not give you a long story of what they found and how much it was going to take to correct. Having someone be 100% honest and fix your situation without charging you a dime is very rare. I'm a fan of this company and will use them again, for sure."
Richard S. in December 2024

Concrete Raising, Crawl Space Repair, Basement Waterproofing , and 1 more
"Married Ridley , Cody Stealey and Shawn Lowe did a very good job on water proofing our crawl space. Arrived on time and kept us well informed during the entire job."
046A661F9A30EECB13BEE48C0150A09A68C0AD54ADA53C6FEFD9FC46023AC49A F. in October 2025

Basement Stabilization & Waterproofing, Foundation Repair & Stabilization, Sinkhole Repair & Remediation , and 2 more
"5.0 across the board. Most highly recommended! We got on-site, in-person estimates from all three companies in the Knoxville area that do concrete leveling. One company uses the mud jacking process (pumping a grout mixture under the concrete) which we were not so sure about after learning more about it, so we ruled them out. American Foundation, and their other main competitor, use the polyurethane injection process instead, which we liked better. Ultimately we selected American Foundation and Basement when their estimate was ONE THIRD what their competitor quoted. Their competitor quotes one price with unlimited poly. American quotes what they think the job will actually take, then advises you that it may take up to 10% more, at $11/lb if it does. I was quoted 300 lbs and the job ended up just under that, so I owed nothing more. Had I gone with their competitor, I would have paid nearly triple. And while they do not give a refund if the job uses less than the estimate, our crew was more than happy to void fill a couple of extra areas for us since we were still under the estimate. Overall, an incredibly professional and well-done experience from start to finish. I truly appreciated an accurate bid that asked me to pay for what they expected the job to cost. Nothing more and nothing less. Contrast that with a bid for triple the amount and lots of pressure to make a decision within 24 hours (to get a 10% discount off the already inflated price). The icing on the cake was the phone call from the competitor owner minutes after telling the competitor salesman that we decided to go with another company. Not only was he incredulous that I would go with American (I didn't name the company and nor did he, but he referenced poly injection, so that is who he meant), he assured me that ultimately, American would be more expensive by going over their estimate at the job site. Of course, as mentioned above, that never happened. Nice job, American Foundation & Basement Repair! Salesman Zollie Cantrell was a pro and very helpful. Foreman Scott and helper Travis could not have been more professional or careful. And Sales & Marketing Manager Scott Flanary was quick to call when he discovered a minor error in my favor on the balance paid. Hard working honest people."
Scott G. in October 2015
Harriman Concrete Contractors are rated 4.5 out of 5 based on 153 reviews of 153 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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