Connecticut Basement Systems

About Connecticut Basement Systems

Connecticut Basement Systems
33 Progress Avenue
Seymour, CT 06483
Mon-Fri 8:00am-5:00pm

Larry Janesky's Connecticut Basement Systems, located in Seymour, Connecticut, is the local Foundation Supportworks foundation repair and concrete repair contractor in Connecticut and Westchester County, New York. In business since 1981, Connecticut Basement Systems is also the largest basement waterproofing and crawl space repair contractor in the Northeast.

As the locally-owned and operated Foundation Supportworks company in Connecticut and Westchester County, NY, customers can benefit from:

  • Exclusive, Proven Foundation & Concrete Repair Systems
  • Trained, Experienced Foundation & Concrete Repair Specialists
  • 25-Year Manufacturer's Product Warranty
  • Direct Contractor Financing Options for Qualified Borrowers
  • Free, No-Obligation Evaluations and Estimates - Contact Today!


  • Foundation Repair to help fix and prevent foundation problems that can cause symptoms such as cracked brick or stucco, shearing walls, ceiling gap, bowing walls, sagging floors, and chimney separation.
  • Concrete Repair to solve pooling water problems, uneven surfaces, and potentially dangerous tripping hazards caused by sunken concrete slabs, including sidewalks, driveways, porches, patios, pool decks, and garage floors.

Products Installed:

  • Push Piers
  • SmartJack® Crawl Space Stabilizers
  • GeoLock™ Wall Anchors
  • PowerBrace™ Wall System
  • CarbonArmor® Wall System
  • PolyLevel™ High-Density Polyurethane Foam
  • NexusPro® Joint Sealant

Service Area:

Proudly serving all of Connecticut, including Fairfield County, New Haven County, Hartford County, Litchfield County, Tolland County, Windham County, Middlesex County, New London County, as well as Westchester County, NY. This includes the cities and towns of Stamford, Norwalk, West Hartford, Greenwich, Fairfield, Hamden, Milford, Trumbull, Darien, New Canaan, and surrounding areas.

Connecticut Basement Systems has been recognized with the Torch Award for Business Ethics from the CT Better Business Bureau, voted one of the "Top 10 Best Places to Work in CT," and has 26 Patents and 19 Quality & Innovation Prizes.

Schedule your free evaluation and estimate today!