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Keystone Basement Systems

205 31st St
McKeesport, PA 15132
Mon-Fri 8:00am-8:00pm
Sat 8:00am-5:00pm
In business since 2003
PA027661

Founded by CEO Aaron Stull in 2003, Keystone Basement Systems is a premier basement waterproofing, crawl space encapsulation, and foundation repair contractor serving western Pennsylvania, Ohio, and West Virginia. With a commitment to offering industry-leading products and superior customer service, Keystone Basement Systems is an award-winning, BBB accredited company with an A+ rating. Their experienced experts are ready and waiting to assist you with all your wet basement and crawl space needs!

As an authorized Basement Systems company serving western Pennsylvania, Ohio, and West Virginia, customers can benefit from:

  • Award-Winning Products & Customer Service
  • Trained, Experienced Basement Waterproofing & Crawl Space Repair Specialists
  • Lifetime Warranties - Ask for Details!
  • Financing Options for Qualified Borrowers
  • FREE, No-Obligation Evaluations & Estimates

Services:

  • Basement Waterproofing to help prevent basement flooding.
  • Crawl Space Encapsulation to help protect against mold, rot, and moisture problems.
  • Moisture Control for basements and crawl spaces to help prevent mold, rot, and musty odors.
  • Foundation Repair for cracks, bowing walls, uneven floors, and more.

Products Installed:

  • Sump Pumps - Primary & Battery Backup Systems
  • Interior Drainage Systems
  • Crawl Space Vapor Barrier & Encapsulation System
  • Energy-Efficient, Self-Draining Dehumidifier
  • Waterproof, Mold-Resistant Finished Walls & Flooring
  • Foundation Piers & Wall Anchors

Service Area

Keystone Basement Systems proudly serves western Pennsylvania customers in McKeesport, Bethel Park, Cranberry Township, West Mifflin, and nearby. They also serve the areas in and around Wheeling, West Virginia and Belmont, Ohio.

Learn more about Keystone Basement Systems below. When you're ready to fix your wet basement or damp, musty crawl space, contact them to schedule a free evaluation and estimate!

Basement Waterproofing Crawl Space Repair Foundation Repair
By Marcus M.
"Keystone rocks! I have never been treated this well as a..."
By Michael W.
"Jeff was great in explaining the differences in systems..."
By Jim D.
"The installation crew, David & Austin both worked very hard..."
By Jim D.
"Steve Miller was very thorough during the sales..."
Diane S.
Johnstown, PA
I am not ashamed of my basement anymore!
Cye M.
White Oak, PA
Ken was great!
Blake R.
Grove City, PA
Aaron did a great job explaining the Aspen Air System to me. I want to thank him.
Keystone Basement Systems Before & After
  • CleanSpace hard at work
    Before
    CleanSpace hard at work
    After

    CleanSpace hard at work

    Crawl space encapsulation 
  • Countersunk beams/carbon armor straps
    Before
    Countersunk beams/carbon armor straps
    After

    Countersunk beams/carbon armor straps

  • Power Braces in Upper St. Claire
    Before
    Power Braces in Upper St. Claire
    After

    Power Braces in Upper St. Claire

    Power braces
  • 1546 field club ct
    Before
    1546 field club ct
    After

    1546 field club ct

    Look at this transition. Basement wall membrane and waterproofing.
Angi Super Service Award 2022

Angi Super Service Award 2022

Best of the best Westmoreland

Best of the best Westmoreland

Trib live total media the Best of the Best 2022

Trib live total media the Best of the Best 2022

Juan Pantojas III

Juan Pantojas III

Foreman

Chris Bailey

Chris Bailey

Certified Field Inspector

David Anthony Cain

David Anthony Cain

Foreman

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