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United Structural Systems is a foundation repair specialist serving Knoxville, TN, delivering structural solutions for homeowners and commercial properties. With a 5.0-star rating from 29 customer reviews, this company has earned a reputation for diagnosing and resolving foundation issues including settling, wall cracks, and moisture intrusion. Their certified technicians specialize in Foundation Repair, Crack Repair, Slab Stabilization, Waterproofing and provide detailed assessments before recommending targeted repairs. Homeowners throughout the Knoxville area trust United Structural Systems for honest evaluations and durable results. FAQ Q: What warning signs indicate foundation problems? A: Common foundation warning signs in Knoxville include horizontal or stair-step cracks in walls, doors and windows that stick or won't close properly, uneven or bouncy floors, and gaps forming between walls and ceilings. TN's soil conditions and seasonal moisture changes can cause foundation movement over time. Q: How long does foundation repair take? A: Most foundation repairs can be completed in one to three days depending on the scope of work. Minor crack injections may take just a few hours, while pier installation or wall anchoring projects can take two to three days. Your contractor will provide a timeline estimate during the initial assessment. Q: Does foundation repair come with a warranty? A: Reputable foundation repair companies typically offer warranties ranging from 10 years to a lifetime on structural repairs. Be sure to ask about transferability — a transferable warranty can be a selling point if you decide to sell your home.
Data updated Apr 11, 2026
| # | Business | Rating | Reviews | Response |
|---|---|---|---|---|
| #1 | Forever Guard Crawl Space Encapsulation and Repair of Knoxville | 5.0 | 96 | Tracking |
| #2 | United Structural Systems | 5.0 | 29 | Tracking |
| #3 | Frontier Foundation & Crawl Space Repair | 4.9 | 2,942 | Tracking |
| #4 | AFS Foundation & Waterproofing Specialists | 4.9 | 1,369 | Tracking |
| #5 | Ram Jack Eastern Tennessee | 4.9 | 123 | Tracking |
| #6 | Master Foundation and Crawl Space Repair | 4.8 | 897 | Tracking |
| #7 | 58 Foundations & Waterproofing | 4.8 | 670 | Tracking |
| #8 | Guardian Foundation Repair | 4.8 | 119 | Tracking |
| #9 | American Standard Foundation Repair | 4.8 | 80 | Tracking |
| #10 | American Foundation & Waterproofing | 4.6 | 125 | Tracking |
| #11 | Olshan Foundation Repair | 4.2 | 43 | Tracking |