Local business · Merrimack, NHLocal business · 29 Patten Rd, Merrimack, NH 03054
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Septic installation and pump repair have brought homeowners to Tom Howe Septic Systems in Merrimack, but two dated Google complaints describe problems with cleanup and communication. In an April 2024 review, a customer said Tom and Keith installed a new septic tank and field at a house they had purchased. The system worked, the customer said, but additional charges were communicated only after completion, fill contained trash and glass, and yard restoration was poor. They also said loam sat for more than two weeks and largely washed away in rain, and that old trash was pushed downhill during brush cleanup. A December 2023 reviewer likewise complained that their property had not been cleaned up before the company started work at a neighbor's property. Google lists a 4-star average from seven ratings. Other customers describe successful repairs and installations. In an October 2023 review, a homeowner whose septic pump had stopped working said Tom returned their call within an hour, then Tom and Keith arrived within the next hour to assess it. They ordered and installed a new pump, restoring operation. The customer praised their explanations of what they were doing and why. Older Angi accounts describe a new septic installation in September 2020 and, in April 2015, a city-sewer connection after a septic failure. The 2015 customer said Tom handled permits, Dig Safe and inspections, then later leveled their backyard and spread and seeded loam. A March 2015 reviewer described a return visit to find and repair a septic system hidden under snow. An August 2025 Google reviewer praised the company as local and conscientious. BBB lists residential and commercial septic pumping and drain-field installation and repair, gives the business an A+ grade, and says it is not accredited. Angi and HomeAdvisor describe it as family-owned. BBB lists licence number 00840 from the New Hampshire Department of Environmental Services' Subsurface Systems Bureau; that is a directory-reported credential.
Great local company Great guys to work with And very conscientious
Tom and Keith installed a new septic tank and field at a house I purchased. They were nice people but more than frustrating to work with. Communication throughout the process was not very clear and additional charges were not communicated until after completion, even though discussed in the initial scope. The fill that they brought in had trash and glass throughout, that I’m still picking out almost a year later. They spread the loam to repair the yard, but left it for 2+ weeks and it mostly washed away with rains. Did a poor job seeding and left the yard worse than it began. They did me a favor cleaning up some brush around a barn, but failed to mention that they were pushing piles of old trash down the hill. The system they installed works, and I was hoping to have a great experience working with experienced contractors who came recommended, but I did not.
They changed $40,000 they haven’t cleaned up.. they started my Neighbors without cleaning my property up. Wouldn’t hire them again
Our septic pump stopped working and we needed help and weren’t sure where to get it. I read reviews in the Merrimack Forum and Tom Howe Septic Systems was strongly suggested. I called, and within the hour, Tom returned my call. Within the next hour, Tom and Keith were at our home to assess the situation. These gentlemen know how to troubleshoot and how to work hard. They ordered a new pump, installed it and we are now back in operation. They were so kind, and when we showed interest, explained exactly what they were doing and why. We received quite a valuable education. The honesty, value and hard work provided by Keith and Tom exceeds five stars. They are fantastic!
Tom Howe and his team did a tremendous job installing a new septic system in our home. Tom is a true professional and I would highly recommend him to anyone in the need of replacing there septic system.
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1 change recorded — last scanned Sep 30, 2026.