R. Moreshead Excavating

Under Title 5 (310 CMR 15.00), any septic installation or repair in Foxborough needs a permit from the Foxborough Board of Health, with the design stamped by a registered sanitarian or professional engineer. Perc and soil-evaluation tests witnessed by the Board of Health determine the system size and type. Work near the town's ponds, the Neponset headwaters, or wetlands can require Conservation Commission review under the Wetlands Protection Act. A Title 5 inspection by a licensed inspector is required before most property transfers of septic-served homes.

Foxborough septic costs sit in the eastern Massachusetts range, with soil quality and groundwater driving the variation. A Title 5 inspection at sale typically runs a few hundred dollars up to about $1,000, and tank pumping is usually a few hundred dollars. A full conventional system replacement commonly runs roughly $20,000–$35,000, while a nitrogen-reducing Innovative/Alternative system runs higher at $30,000 or more where required. Lots with high water tables or poor-draining soils may need mounded or engineered systems, pushing costs toward the top end.

Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential septic installation & service work; ask for the registration number and check it before paying a deposit.

More on permits, costs, rebates and common questions, plus every other septic installation & service contractor serving the town, on the Septic Services in Foxborough page.