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 are proud to have the most highly trained team in the business. 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!


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Our Service Area
Twin State Basements Service Area Map

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

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Free Estimate!
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 Home Starts with a Healthy Basement or Crawl Space!

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Free Estimate!