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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Flannery Septic & General Contractor, LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$23,000 – $35,000
Typical remodeling project around $29,000
Flannery Septic & General Contractor, LLC is a Title 5 and septic system service located in Boxborough, MA. Its website says the owner has been a Title 5 inspector since 1995 and has 30 years of experience installing septic systems. Its MA HIC license 195631 is active on the state registry. For a Title 5 inspection at a house in Carlisle, a 2026 review says John came the next Tuesday after a Friday call, found the septic tank covers on the first try, quickly found the D-box and carefully inspected the system. In a 2025 review, a customer who needed a Title V inspection in the middle of winter said John came several times, looking for sunny days to deal with snow and ice, and finally made it through to the septic system. He explained what he was doing, did the inspection, replaced the distribution box, and left the yard flat and ready to be re-seeded. In another 2025 review, a customer said John inspected their septic system during the winter, let them know the inspection results were not positive, and helped them through replacing the entire system by identifying and introducing them to the engineer and the excavation company. A 2025 review of a Title 5 inspection says John answered all their questions throughout the process, and a customer selling their house in 2025 said John greatly exceeded all of their expectations when they needed help quickly under challenging circumstances. In 2020, Flannery Septic & General Contractor installed a new septic system for a customer who said they were fully satisfied with the product and the service. A 2020 review called John honest and hard working, and said he brought on other excellent companies when needed.
If you need a Title 5 inspection, look no further than; just call John. John is very friendly and professional, and he was very responsive to my call. I called him on a Friday, and he came to my house in Carlisle the next Tuesday. He really has a lot of experience-he found the septic tank covers on the first try, just like magic! Then, he quickly found the D-box. He carefully inspected the system and did a great job. I would definitely recommend John to anyone who needs a Title 5 inspection.
John did an incredible job doing all the work necessary to successfully complete our Title 5 inspection. He is a true professional in every aspect of his approach to his work. He is also a great person, a hard worker, is easy to talk to, and answered all our questions which was a great help to us throughout the process. We highly recommend John!
Run, don’t walk, to Flannery Septic for all of your septic system needs. John was outstanding, above and beyond, and greatly exceeded all of my expectations when I was selling my house and needed help quickly under challenging circumstances. Now that I’m in my new home, I would never call upon anyone else. Thank you, John.
We had a septic system challenge during the winter and I asked John to inspect the system. He let us know that the inspection results were not positive and we talked about replacing the entire system. Replacing a septic system is a very complex process and involves a lot of different people. John helped us through the process by identifying and introducing us to the engineer and the excavation company. Both those firms were great to work with and John was behind the scenes making sure everything went right. John is very experienced and a real pro. I highly recommend Flannery Septic.
I had the misfortune to need a Title V inspection in the middle of winter, and John was my hero. He came several times, looking for sunny days to deal with snow and ice, and finally made it through to the septic system. He explained what all he was doing (first time I actually understood how my septic system worked), did the inspection, replaced the distribution box, and left the yard all flat and ready to be re-seeded. Working with him was a pleasure.
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3 changes recorded — last scanned Sep 27, 2026.
Decks and porches5.0
Clients returning for 10 and 20 years5.0
Detailed craftsmanship5.0
Renovates century-old structures5.0
Northborough new builds3.9
Bathroom renovations4.5