Keystone Basement Systems

4.8(2,169 reviews on Google)

Based in McKeesport, PA · listed on the Elizabeth page

Call (412) 872-2550 Visit website

About Keystone Basement Systems

Keystone Basement Systems has served Greater Pittsburgh for over 20 years, since 2003, from its McKeesport location, with crews also covering Cranberry Township, Bethel Park, northern West Virginia and eastern Ohio. It waterproofs wet basements, repairs foundation cracks and bowing walls, encapsulates and repairs crawl spaces, fixes wood rot and leaky windows, and levels sunken concrete with PolyLevel injection. Its patented products include the TripleSafe sump pump, the WaterGuard drainage system and the SaniDry dehumidifier, installed by trained professionals. Waterproofing systems come with a lifetime transferable warranty, and flexible financing options are offered. It provides a free inspection and cost estimate and also works on commercial foundations. Rated 4.8 from 2,169 Google reviews, 2,050 of them five stars and 72 one star.

What reviewers mention: knowledgeable staff (696), thoroughness (208), clear explanations (166), personable staff (162), french drain installation (75), informative staff (61), basement waterproofing (53), no pressure sales (40), basement inspection (33), sump pump installation (33)

Where Keystone Basement Systems works

Based in McKeesport, Pennsylvania. Its website also names Wall, Industry, Monroeville, Pittsburgh, Bethel Park, Allison Park, Newell, McDonald and other towns. 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

  • Crack repair

    Yes

  • Crawl space repair

    Yes

  • Sump pumps

    Yes

  • Drain tile and drainage

    Yes

  • Concrete lifting

    Yes

  • Free inspection or estimate

    Yes

  • Financing

    Yes

  • Warranty

    Yes

No information yet on piers for settling, egress windows, states a license. The website did not say; call and ask.

Contact

Details last checked against the company's website and Google listing on 2026-10-09. Report a correction or request removal. Back to foundation repair companies in Elizabeth.