How Can I Help?

We can assist you through the permitting process at the State and Local levels or can answer any questions that you may have regarding your project.


About Us

​Monadnock Septic Design LLC is a family company that has been in business since 1969. We work hand and hand with our clients, local municipalities, State officials, and other professionals in the field.

  • N.H. Permitted Septic Designers
  • N.H. Permitted Septic Installers
  • Certified Septic Evaluators
  • Certified Wetland Scientist
  • Certified Well Operator
  • GSDI members
  • GSDI Executive Board Members
  • Steering Committee Member of N.H. Certified Septic Evaluators Program
  • Certified Septic Evaluator Instructor