Money
Paying for it
Septic replacement on Cape Cod runs into tens of thousands. Three programmes exist, and the most valuable one is widely reported with out-of-date numbers.
The Title 5 tax credit
Massachusetts offers a credit against personal income tax for repairing or replacing a failed septic system. The credit was substantially increased, and a great deal of the advice online still quotes the old figures.
| Widely quoted (old) | Increased amounts | |
|---|---|---|
| Qualifying spend | $15,000 | $30,000 |
| Share of cost | 40% | 60% |
| Per tax year | $1,500 | $4,000 |
| Aggregate maximum | $6,000 | $18,000 |
| Carry forward | 5 years | 5 years |
The credit is for an owner-occupied principal residence — not a rental or a second home, which rules out a large share of Cape Cod properties. Claimed on Schedule SC. Confirm current figures and eligibility with the Department of Revenue or your accountant before relying on them.
Cape Cod AquiFund
Barnstable County runs a betterment loan programme for Cape homeowners facing septic repair or replacement, upgrades to alternative technologies, or connection to municipal sewer. Interest is on a sliding scale from 0% to 4% depending on circumstances. Formerly the Barnstable County Community Septic Loan Programme.
MassHousing septic repair loans
Low-interest loans for homeowners whose system has failed Title 5, repayable over an extended term, arranged through participating banks.
If your town is doing the work instead
MassDEP runs a grant programme paying towns to produce the watershed management plans behind their permit applications. Where a town's plan leads to sewering or a shared solution, individual homeowners may never face the upgrade at all. That is the point of the watershed permit route — and the reason your town's filing status is worth following.