Al DelTrecco Septic & Excavation is a local family owned business that has served the greater Derry, NH area for over 25 years. We have a commitment to service, quality and value. We have the experience and the expertise to get the job done right the first time in a cost efficient manner with the greatest respect for your property.

We provide quality and affordable service for excavating, septic systems, septic designs and septic repairs, no matter how large or small your job is.

We look forward to earning your business!

Serving Greater Derry For Over 25 Years

Services Offered

  • Septic Systems
  • Septic Designs
  • Septic Installation
  • Septic Inspections
  • Baffle / Pipe Repairs
  • Tree / Stump Removal
  • Drainage
  • Water / Sewer Lines Grading
  • House Lots Site Work
  • Yard Expansions
  • New Lawns
  • Demolition
  • Retention Ponds
  • Swales
  • Pool Prep

Call Today For Your


603 - 437 - 2700