Excavation Contractors in Derry, NH

Excavation contractors move earth to prepare a property for construction and landscaping. They dig foundations and basements, grade sites for drainage, clear land and dig trenches for utilities.

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Common excavation services include:

  • Site preparation for new homes and additions
  • Foundation and basement excavation
  • Grading and leveling
  • Land clearing and stump removal
  • Trenching for utility lines

Hire an excavation contractor when a project needs heavy equipment to dig, level or clear land. Sewer line repairs and yard drainage systems have their own specialist categories.

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Top Professionals near Derry, NH

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Precision Excavation Services

Precision Excavation Services

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Wilmington, MA Excavation Contractors

Precision Excavation is a Greater Boston–based residential excavation contractor focused on foundations, final grading, drainage solutions and other sitework for homebuilding and landscape projects. Precision Excavation works with engineers on stormwater and drainage systems, uses modern equipment for laser-precise earthwork, and emphasizes safety, licensing, insurance and OSHA-compliant practices. The company, led by owner Kenny Liston, positions itself as a locally knowledgeable, homeowner-focused team delivering reliable, high-quality groundwork and clear communication throughout projects.

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Excavation Questions and Answers

What does an excavation contractor do?

An excavation contractor uses equipment such as excavators, skid steers and dozers to dig foundations, grade land, clear vegetation, trench for utilities and haul or bring in soil and fill.

Do I need to locate utilities before digging?

Yes. Underground utilities should be marked before excavation, typically by calling 811 in the United States. Ask the contractor who will make the request and how private lines, such as irrigation or septic, will be located.

How do I choose an excavation contractor?

Ask about equipment and experience with similar sites, how they will handle drainage and erosion control, and whether permits are needed. Confirm insurance and get a written scope that covers hauling and restoration.

What affects the cost of excavation?

Cost depends on the volume of soil moved, soil and rock conditions, site access, slope, hauling distances, disposal or fill material, erosion control and permit requirements.

How should I prepare for excavation work?

Mark property lines and planned structures, request utility locates, and remove vehicles and items from the work area. Ask how lawns, driveways and nearby landscaping will be protected or restored.