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About us

Four Seas Testing provides hydro excavation for safe, non-destructive digging, plus water and sewer utility services and hydrant work for contractors, municipalities, and facilities.

Based in South Dennis, MA. Serving Cape Cod and Eastern Massachusetts.

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Four Seas Testing offers hydro excavation for utility locating, daylighting, trenching, and emergency repairs with minimal surface disturbance and maximum protection for underground infrastructure.​

ABOUT US

Serving Eastern Massachusetts from Cape Cod to the New Hampshire border.

Four Seas Testing was founded in 2008 with a simple goal: provide dependable, professional testing services that support the success of construction and infrastructure projects.

Our team understands that accurate testing and reliable reporting are essential to building projects that last. From early site preparation through final construction, Four Seas Testing works alongside contractors, engineers, and project managers to ensure materials and processes meet the highest standards.

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OUR APPROACH

At Four Seas Testing, our work is guided by the same principles that have driven our success for nearly 20 years.

  • Accuracy – Reliable testing and reporting you can depend on
  • Integrity – Honest results and transparent communication
  • Efficiency – Services designed to support project schedules
  • Partnership – Working closely with contractors, engineers, and project teams
Committed to Quality

Backed by Strong Partnerships

With the experience and reputation of our partners behind us, Four Seas Testing is proud to support the same mission: delivering quality work built on professionalism, dedication, and trust.

As projects grow more complex and environmental standards continue to rise, our role is simple — provide the testing expertise that helps projects succeed from the ground up.