New Hampshire Excavation & Concrete

Excavation, demolition, hardscaping, and commercial snow removal company located in southern NH. We service many areas throughout New Hampshire. Contact us today at (603) 721-9058 for an estimate on your next project.

Our Services

KDA Construction offers an extensive list of services for New Hampshire customers. Excavation & grading, demolition, hardscapes and concrete services for commercial and residential properties. Based in Hillsborough County and servicing the state of New Hampshire.


We can meet your excavation needs with efficiency, experience, and quality within our company. We will also keep you updated with solid communication before, during, and after the project.

Shed Garage Demolition in NH


Have a small structure such as a shed, barn, or patio you want to get rid of? No problem! KDA Construction and Demolition would be happy to remove any old inconvenience for you.

Concrete Foundation NH


We are a full-service concrete contractor. Forming, pouring, and finishing all concrete elements necessary for a complete structural product.

Concrete Foundation Excavation

How Can We Help You?

  • Excavation
  • Yard Grading
  • Demolition
  • Hardscapes
  • Concrete
  • Foundations
  • Retaining Walls
  • Patios & Walkways
  • Drainage Solutions
  • and More…

Who We Are

With years of industry experience, we pride ourselves in keeping communication a top priority. This ensures that any questions or concerns are handled more efficiently. We understand the customer’s needs and will make sure our work is always exceptional.

Contact Us For A Quote On Your Next Project

Get in touch with KDA Construction at (603) 721-9058 or fill out our online form.

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