what is the average price to have a septic system replacement in ma.
In Massachusetts you can get up to a 40% tax credit towards the cost of repair or replacement of your septic system provided the cost is $15,000 or less. The Commonwealth provides a state tax credit of up to $6,000 spread out over 4 years to defray the cost of septic repairs to a primary residence.hen it does come time to replace the system, the cost is anywhere from $10,000 to $30,000 or more, so if youâre buying or selling a home with a septic system here are a few tips you should know: Home buyers should know that home inspections donât include a septic system inspection, also known as a Title 5 Inspection.