Cornerstone Foundation Repair and Waterproofing LLC

4.6(43 reviews on Google)

Based in Raleigh, NC · more companies in Raleigh

Call (844) 926-7637 Visit website

About Cornerstone Foundation Repair and Waterproofing LLC

Cornerstone Foundation Repair and Waterproofing LLC was formed by licensed general contractors and serves the Chapel Hill area and the Raleigh listing. It fixes foundation problems with helical piles, pressurized grout, CMU or steel piers, extra girders and floor joists, and it stabilizes bowing or leaning walls with helical tiebacks and wall anchors. Water work covers interior drainage systems with sump pumps, exterior waterproofing, crawl space drainage, French drains and encapsulation. Sunken slabs, driveways and sidewalks are lifted with polyurethane foam. The company says it is fully licensed as a general contractor. Estimates are free, financing options are listed, and repairs typically carry a transferable life-of-structure warranty. Rated 4.6 from 43 Google reviews, 38 of them five stars and 4 one star. Hours are posted.

What reviewers mention: foundation repair (8), helical piers (5), not pushy (3), work quality (3), promptness (3), structural engineering report (2), honest assessment (2), waterproofing (2), thorough job (2), efficient team (2)

Where Cornerstone Foundation Repair and Waterproofing LLC works

Based in Raleigh, North Carolina. Its website also names Durham, Chapel Hill. Call to confirm they cover your address.

Services and details

  • Foundation or waterproofing work

    Yes

  • Foundation repair

    Yes

  • Basement waterproofing

    Yes

  • Bowing wall repair

    Yes

  • Piers for settling

    Yes

  • Crawl space repair

    Yes

  • Sump pumps

    Yes

  • Drain tile and drainage

    Yes

  • Concrete lifting

    Yes

  • Free inspection or estimate

    Yes

  • Financing

    Yes

  • States a license

    Yes

  • Warranty

    Yes

No information yet on crack repair, egress windows. The website did not say; call and ask.

Contact

Details last checked against the company's website and Google listing on 2026-10-21. Report a correction or request removal. Back to foundation repair companies in Raleigh.