Septic System Replacement From Start to Finish | Curtin Construction

Complete septic system replacement for a 75-year-old system serving two separate houses on one property. We remove the old failing system and install a new 1,500-gallon septic tank and a GST 6230 leaching field to replace it. Curtin Construction LLC is a family-owned excavation and site work company based in East Haddam, CT, specializing in septic system installation, drainage, and excavation. 📞 860-873-9853 | ✉️ curtinconstructionct@gmail.com