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Coolbeth Construction is a New Milford, Connecticut contractor that describes itself as doing septic installations and land clearing, run by Josh Coolbeth. Its Connecticut home improvement contractor registration HIC.0668787 is active. A Massachusetts home improvement contractor licence 200718 is expired. In September 2026, a customer said Josh replaced their full septic system and fields and handled getting everything approved and installed. A May 2026 reviewer said Josh was helpful in handling a zoning application. In October 2025, a couple who bought a home with a failing septic system said Josh replaced it in a mind blowing time frame. An April 2024 Angi reviewer said the septic install was not easy but he got it done, and another said Josh rebuilt a carport wall. On Google it holds 5 stars from 4 ratings, and on Angi and HomeAdvisor 5.0 from 3.
Had Josh out to replace our septic system. Full system and fields. He was upfront, honest, and reliable. Took great care of the property during and after his work. Handled everything smoothly and efficiently getting everything approved and installed. Highly recommend.
Josh was professional, helpful in handling a zoning application and extremely responsive with all questions and concerns we had. Would highly recommend and use again.
To make a long story short, call Coolbeth Construction today, you won’t regret it. No pun intended but Josh Coolbeth is a very cool guy! He is an extremely hardworking and genuine family man who does exceptionally great work in a mind blowing time frame. My wife and I purchased a home with a failing septic system and we had a stressful search for a reputable septic company to replace the system. I called every company that serviced the area as well as those outside who maybe willing to travel for the job. I was met with extremely expensive quotes, little to no availability, companies no longer providing install services, as well as my favorite response, “If other companies are quoting the job then I don’t want to quote the job.” I understand everyone has their own schedule, priorities and responsibilities but from the first conversation with Josh, I knew he was different from all of the other companies. He responded, “Great! When can I come and look at the job, I will have an estimated plan ready by the end of the visit and I can submit it to the town as soon as you are ready to proceed with the permitting process.” Music to my ears, Josh was able to give us a reasonable quote and an availability that worked perfectly with our closing date. From day 1 Josh was honest, transparent and trustworthy. We had one small but favorable hiccup, on our initial inspection we had to slightly adjust the initial plan. After a long discussion of problem solving between Josh and the amazing Town Sanitarian, they came to the conclusion that we had to use another product to completely satisfy all regulations. Every inspection passed with flying colors and the Town Sanitarian was impressed every step of the way. Upon completion Josh put down some magic grass and tons of hay (from his family’s farm!) that seemed to grow overnight. We are truly blessed to have found Josh, he was an absolute God send! I wish him and his family all the best and congratulate him on the immaculate work that he does.
Very friendly and easy to work and a good price
Joshua , was smart and practical with his pricing He was easy to work with and helped me get Past some difficult issues Call him you will be glad you did Barb in Bridgewater
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1 change recorded — last scanned Oct 16, 2026.
Emergency pump-out within the hour3.6
41 years in business3.1