Septic Services

Mathewson Companies provides comprehensive, worry-free septic and sewer services. We can design, install, and service your septic system, pump it out as necessary and troubleshoot any issues that may arise.  We are available 24 hours a day for your septic emergencies.

We provide septic evaluations for Realtors, Home Buyers or Sellers.  We have two NH Certified Septic Evaluators on staff, ready to accommodate your needs. One of our most sought after septic service, is high-pressure line clearing. Using state-of-the-art water jet machine we can clear just about any septic related blockage in pipes from 2” to 12”. We can video inspect septic pipes with our line cameras and pinpoint locations of tanks and pump chambers with radio transponders and detectors. Please take a look at our service pages for more in depth information.

We service all our local towns. If you are unsure if we service your location please just give us a call and we will be more than happy to let you know.


To prevent back ups, we recommend installing effluent filters. These filters should be cleaned once a year by a certified septic pumper or installer. Call to be setup on our Automatic Annual Filter Cleaning Program. Let us worry, so you don’t have to. contact us.

Mathewson Companies can inspect, repair or replace your current septic system. Building a new house? We also install brand new systems.

Call today for a free estimate!

(603) 525-3549