Acculevel Foundation Repair & Basement Waterproofing Crawl Space Repair Google Rating and Reviews (4.9, 298)

Crawl Space Services

• Foundation repair (crack repair, bowing wall repair, helical tiebacks/carbon fiber straps)
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• Basement waterproofing & flooded/leaking basement repair (interior drainage, sump pump installation, mold prevention)
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• Crawl space repair & encapsulation (polyethylene liners, vapor barrier, mold control)
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• Concrete leveling & slab repair (concrete lifting/stabilizing, sidewalk/patio/garage leveling).

Acculevel Foundation Repair & Basement Waterproofing Description

Acculevel Foundation Repair & Basement Waterproofing is a U.

S.

residential structural services company specializing in foundation repair, basement and crawl space waterproofing, concrete leveling, and related structural stabilization solutions.

Headquartered in Belleville, Illinois (1600 Centreville Ave), Acculevel serves homeowners across Illinois and neighboring states with inspection-driven diagnostics and on-site consultations.

The company addresses common issues such as settling or bowing foundations, cracked walls, leaking or flooded basements, damp crawl spaces, mold remediation, sagging floors, and uneven or sunken concrete (sidewalks, patios, garage floors).

Their service portfolio includes foundation stabilization (helical piers, wall anchors, carbon fiber reinforcement), interior and exterior basement waterproofing systems, sump pump installation and battery backups, crawl space encapsulation with antimicrobial liners (backed by a long-term warranty), concrete lifting and leveling, egress window installation, and mold removal/prevention tied to moisture-control solutions.

Acculevel emphasizes root-cause solutions rather than cosmetic fixes, offers free on-site inspections (typically 30–90 minutes), and promotes lifetime or long-term warranties on many repair types.

The company highlights nearly 30 years of experience, a large service footprint, and high customer ratings across platforms.

Acculevel also provides educational resources, maintenance programs, and financing options to help homeowners plan and afford necessary structural repairs and waterproofing work.

Crawl Space Repair Service Locations

• Belleville IL
• Millstadt IL
• Fairview Heights IL
• Smithton IL
• East Saint Louis IL
• Sorento IL
• Campbell Hill IL
• Worden IL
• Lonedell MO
• Chesterfield MO

Review 1
Satisfied customer!!
I selected this company after roughly 2hrs of research for a local basement and foundation repair. This company has significantly less negative reviews not to mention they serve a wider area than other competitors.
I scheduled an estimate and was blown away by the amount of payment options i could choose from. A few weeks later the job was completed and I could not be happier with the results!! Less than 48 hours after they were finished we had a very hard rain and I didn’t see one drop of water anywhere in our basement. Safe to say I noticed a difference before the check even cleared!
I stand behind their work and highly recommend this company!

Review 2
Dalton with Accu level did a great job making sure that we were satisfied. I believe the porch came up to the original height. I could not have asked for anything better.

Typical Costs
Crawl Space Cleaning: $500 ~ $4,000
This is for basic services like removing debris, old insulation, or minor mold.

Foundation and Structural Repairs: $2,500 ~ $8,000
This includes fixing things like a damaged support beam or re-leveling the foundation.

Waterproofing and Moisture Control: $1,500 ~ $5,000
This might involve installing a drainage system or a sump pump.

Crawl Space Encapsulation: $5,000 ~ $15,000+
This is a comprehensive solution that includes a vapor barrier, insulation, and often a dehumidifier. The cost can be on the higher end due to the materials and labor involved.