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Keystone Basement Systems

205 31st St
McKeesport, PA 15132
Mon-Fri 8:00am-8:00pm
Sat 9:00am-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!

By Jeanne K. Steubenville, OH
full starfull starfull starfull starfull star
"Ken was great"
By Pete K. Steubenville, OH
full starfull starfull starfull starfull star
"Ken was great"
By Lisa H. Weirton, WV
full starfull starfull starfull starfull star
"Ken was great"
By Maria M. Weirton, WV
full starfull starfull starfull starfull star
"I am pleased with the work."
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.
Diane S. Johnstown, PA
I am not ashamed of my basement anymore!
Basement Walls Waterproof Barrier in Cadiz, OH -
Before
Basement Walls Waterproof Barrier in Cadiz, OH
After

Basement Walls Waterproof Barrier in Cadiz, OH

This rocky basement wall was permanently sealed with our CleanSpace Vapor Barrier System in order to prevent moisture and humidity from passing through. 
How to Fix Wet Basement Walls Toronto Ohio -
Before
How to Fix Wet Basement Walls Toronto Ohio
After

How to Fix Wet Basement Walls Toronto Ohio

CleanSpace and WaterGuard were used to address this foundation issue.
Gutter, Downspout & Rain Conductor Replacement -
Before
Gutter, Downspout & Rain Conductor Replacement
After

Gutter, Downspout & Rain Conductor Replacement

The rain conductors were replaced because they were broken.
Crawlspace and Wood Repair -
Before
Crawlspace and Wood Repair
After

Crawlspace and Wood Repair

The home had extensive wood rot that required replacement and the crawlspace required encapsulation. 
CleanSpace Production Pro Certification
CleanSpace Production Pro Certification
Angi Super Service Award 2022
Angi Super Service Award 2022
Best of the best Westmoreland
Best of the best Westmoreland
Jason Archer
Jason Archer
Resident Sales Pro
Chey Geyer
Chey Geyer
Account Manager
Christina Wingard
Christina Wingard
Operations Manager
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