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Septic Sherlock LLC does septic inspections and holds 5 stars across 7 Google ratings. Its website lists service towns including East Kingston, Portsmouth, Manchester, Concord and Nashua. One recent job was a video inspection of the inlet pipe to a septic tank. The customer said TJ explained what they were seeing on the video and followed up on Labor Day weekend with the link to it. The news was bad, since the inlet pipe has to be replaced, but that customer said the work let them see the entire pipe and spared them from breaching the home's foundation. TJ marked the area for future excavation, and the customer said he did not charge extra for finding and digging the access point. A Realtor with 25 years of experience wrote that TJ inspected a very old dry well in Brentwood and took the time to explain what he was seeing and what it meant for the Realtor's client. A recent customer said TJ was on time, did all of the shoveling and cleaned up after. That customer received a report and video of the septic tank and leach field, along with measurements of the locations of the D-box and pipes. At the end of one inspection, a customer said TJ did a walk-through and explained the whole system, his findings and the customer's options.
Typical your area range for this kind of work, from regional averages — not a quote from Septic Sherlock LLC Septic Inspections. Use it to sanity-check bids, then get the real number in writing.
Firms price in size tiers, not per foot — pick the bracket.
Estimated range
$530 – $760
Typical inspection around $650
TJ was a pleasure to meet and is very professional. I recommend his services for your Septic inspections and more. Thanks again, TJ . Sincerely Pat and Shann.
Our service was a video inspection of the inlet pipe to the septic tank. TJ was an excellent communicator and had me appreciate what I was seeing during the video inspection. He followed up - on Labor Day Weekend!! - with the link to the video so my hubby could see it. He was respectful of the property and understood that marking the area for future excavation was paramount. Even though it is bad news that we have to replace our inlet pipe to the septic tank, his work allowed us to visualize the entire pipe and to be spared from breaching the foundation of our home. He did not charge us extra for having to find/dig the access point, which is a distinct location from where we had the tank pumped the day previous to his inspection. His price point is excellent. I would 100% recommend his services. Cute name of the business, too, which brought back memories of our late great Bloodhound named Sherlock 🔎
I highly recommend TJ at Septic Sherlock! As a Realtor with 25 years of experience, I’m always reminded that there is something new to learn, and TJ was incredibly knowledgeable, thorough, and willing to share that knowledge. TJ was inspecting a very old dry well in Brentwood, and what really stood out to me was the time he took to explain what he was seeing and, more importantly, what it meant for my client moving forward. My client is a single woman who will be responsible for understanding, maintaining, and caring for the property on her own, and TJ made sure she had the information and confidence she needed. He didn’t just inspect the system and move on, he took the time to educate, answer questions, and show us exactly what we were looking at. That level of patience, professionalism, and genuine care is invaluable. Thank you, TJ, for taking such great care of my client and for teaching all of us a little more along the way! Highly recommend Septic Sherlock to anyone who wants an honest, knowledgeable, and thorough septic professional. 👏
TJ was on time. He answered all my questions and explained all he was doing. He provided prompt report and video of septic tank and leach field. He did all of the shoveling and cleaned up after. He provided measurements of locations of D-box and pipes.
TJ is courteous. On time. Highly knowledgeable. At the end of inspection we did a walk through and he explained the whole system. His findings. And my options. Highly recommend.
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1 change recorded — last scanned Sep 29, 2026.
Thorough inspections5.0
Repair priorities4.7
Clear inspection reports4.3