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Garside Sewer & Septic Service LLC is the kind of company homeowners call when a septic system is backing up, needs pumping, or needs a careful inspection before a home purchase. The Hudson, New Hampshire company says it is family-owned and has served New Hampshire for over 40 years, offering septic installation, cleaning, pumping, inspection, certification, repair, and fracturing services. Customers describe hands-on emergency help as a recurring strength. In a 2026 review, a homeowner said Zach cleared a waste-pipe blockage during a weekend call and left the system running well; other reviews describe prompt Sunday or Saturday responses, fair emergency pricing, and technicians who explain the work. A 2023 homeowner said the owner installed risers during a septic pumping job and explained the tank's condition in detail. The written history is strongly positive but not perfect. Google shows 4.8 stars from 55 ratings, and the 20 written reviews available from 2022 through 2026 are overwhelmingly favorable, including four recent reviews. One 2023 reviewer said the company stopped responding to scheduling emails, so confirm the appointment details and expected response time when booking. Garside looks best suited to septic pumping, repairs, emergency troubleshooting, and inspections or certifications in southern New Hampshire. Ask which technician will handle the job, what the visit includes, and whether any installation or excavation work requires a separate estimate.
Very professional and responsive. Have used them exclusively for 20 years. Last used on 7/22/26. Always reliable.
Zach came out on a weekend on an emergency call to take care of my septic that backed up a bit as it turned out the tank was pretty clean because I had had it pumped recently it ended up being blockage in the waste pipe leaving the house he was able to put his hose on the pipe and suck out the blockage everything is running excellent I can't say enough Zach was such a nice guy I've seen him before as I have been with Garside septic and sewer for a very very long time and obviously we'll continue to stay with them I am going to be scheduling some work with them based on a suggestion that Zach made on replacing a pipe thanks to everyone at garside including his father Keith and Sherry in the office.....Great business to contract with....
We have been in this property for 3 years and have only had an amazing experience with Garside. They are dependable always available to answer my questions and whenever I call they come right out to the property within a week.
Keith & Sherry are great .Sept will 26 years in NH and we have used Garside septic from day one and will never use anyone else . Thank you for the great service .
So thankful to have found such a genuine company! Honest and reliable. We will always recommend Garside!
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1 change recorded — last scanned Aug 30, 2026.