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SouthernTier Basement Systems LLC.

242 Wyok Road
Johnson City, NY 13790
Mon-Sat 7:00am-6:00pm
Sun 9:00am-3:00pm
In business since 2009

SouthernTier Basement Systems LLC. is bound to have the solution for your wet basement in New York. They are fully trained by Basement Systems Inc. and offer the highest quality of service and customer satisfaction in the industry. They are members of the Basement Systems network of waterproofers in the US and Canada and have helped hundreds of homeowners keep their homes healthy!

As an authorized Basement Systems contractor, customers choose us for:

  • Patented Products
  • Experienced Crew
  • Free Estimates


  • Basement Waterproofing keeps water out of your basement with our proven products and expert service
  • Crawl Space Repair we offer complete crawl space encapsulation & repair services
  • Mold Remediations we use advanced mold removal products and techniques to protect your family and home
  • And More!

Products Installed

  • Gutter Downspout
  • Vapor Barrior
  • Energy-Efficient Dehumidifier
  • Sump Pump
  • IceGuard
  • Thermal Insulation
  • Wall Anchors

Service Area:

SouthernTier Basement Systems LLC. proudly serves Broome, Chemung, Chenango, Cortland, Otsego, Schuyler, Steuben, Tioga, and Tomkin, New York Counties. Cities include Binghamton, Conklin, Deposit, Lisle, Maine, Big Flats, Erin, Lowman, Bainbridge, Green, Oxford, Marathon, Willet, Bloomville, Davenport, Delhi, Downsville, Hamden, Sidney, Otego, Unadilla, Wills Bridge, Hector, Odessa, Addison, Bath, Lindley, Barton, Richford, Spencer, Dryden, Freeville, Ithaca, and Newfield.

Check out the before and after photos to visually see how our specialists install our products! Explore our videos explaining the process we take to ensure your home stays safe and healthy! Call today to schedule your free quote!

Basement Waterproofing Crawl Space Repair
SouthernTier Basement Systems LLC. Before & After
  • Supersump Kit
    Supersump Kit

    Supersump Kit

  • Sump Pump Installation
    Sump Pump Installation

    Sump Pump Installation

    The before and after of this sump pump is pretty remarkable. The original sump pump was all nasty with moisture around it and the new sump pump is dry, cleaned up and has a water alarm.
  • Leaky Entry Wall
    Leaky Entry Wall

    Leaky Entry Wall

    We updated this entryway to prevent leaking.
  • Downspout Drain Line
    Downspout Drain Line

    Downspout Drain Line

    We ran a drain pipe behind the retaining wall and replaced the wall too.
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