Vermont and New Hampshire's Leading Basement Contractors

Twin State Basements is your basement and crawl space waterproofing expert serving the residents of Vermont & Western New Hampshire!

We have continued to grow throughout the years by constantly studying the latest and best products available for basement waterproofing. When we've seen weaknesses in existing technology, we've built our own. Steve Andras, the company's founder holds several patents for innovative basement waterproofing technologies that are now used all over the world.

We are proud to have the most highly trained team in the business, including the most Certified Waterproofing Specialist (CWS) professionals of any company in the Northeast. You can also rest assured that you will not be oversold because our project managers are trained to provide solutions that best meet your needs and budget.

Reasons why Vermont & Western New Hampshire families choose Twin State Basements to fix their wet basement and foundation issues:

  • Stellar reputation in Vermont & Western New Hampshire – we are a company you can trust!
  • Locally owned and operated.
  • The most advanced waterproofing products available. Twin State Basements is part of the Grate Products Contractor Network who developed a patented basement drainage process called GrateDrain™.
  • Our 3 certified basement waterproofing specialists are available to address even the most challenging basement issues.

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  • Expertly trained project managers who design best-in-class systems and oversee every Twin State Basements project.
  • Fully insured - we carry general liability, truck insurance, and all our employees are covered by worker's compensation insurance.
  • Basement Health Association member
  • (CSRS) Certified Structural Repair Specialist on staff.

Contact Us! or call us at 844-326-3616 for a Free Estimates!

Contact Twin State Basements Services Today!

Contact us today if your home is in need of basement or crawl space repairs!

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Our Service Area
Twin State Basements Service Area Map

A Healthy Basement Starts with a Healthy Basement or Crawl Space!

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10% OFF ON Battery Backups
10% OFF All Dehumidifiers And Ventilation Sysytems
$75.00 OFF Epoxy Crack Repairs


Healthy Basement & Healthy Crawl Space Certificates

Our high standard of quality ensures a healthy basement with a Nationally Backed Warranty.

Healthy Basement & Healthy Crawl Space Certificate

A Healthy Basement Starts with a Healthy Basement or Crawl Space!

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Free Estimate!