Keystone Basement Systems
Keystone Basement Systems waterproofs basements and repairs foundation cracks, serving McKeesport, Pittsburgh and nearby areas of Western Pennsylvania.
What they do
Keystone Basement Systems works on basement waterproofing, foundation crack repair and flooded basements. Its waterproofing covers damp and wet basements, with sump pumps, drainage systems and dehumidifiers among the products it fits. Based in McKeesport, the company also serves Pittsburgh, Bethel Park and Washington. Free estimates and online estimates are offered, and financing is available. Waterproofing work comes with a lifetime warranty. The company has operated since 2003 and is open Monday to Saturday, closed Sundays.
- Basement waterproofing
- Foundation crack repair
- Flooded basements
Listed under Basement flooding and sewer backup
Where they work
What we checked
Checked 12 Nov 2026, from public sources.
Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.
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