Mortgage Interest Deduction in Massachusetts
State income tax rate
9%
Itemized deductions allowed
❌ No
State-Level Mortgage Interest Deduction
Massachusetts has a 9% top rate (including the 4% surtax on income above $1M) but does not allow a mortgage interest deduction on personal residences. Under Massachusetts Directive 86-8, interest on home mortgages is not deductible at the state level — only interest on rental or business property qualifies.
Frequently Asked Questions
Keep reading
CalculatorMortgage Interest Deduction CalculatorRun your own numbers with Massachusetts rates applied.GuideMortgage Interest Deduction by StateHow the federal rules interact with each state's conformity and limits.GuideIs a Home Equity Loan Tax Deductible?The 2018 rules, and the use test that decides whether your interest qualifies.GuideMortgage Points: What They Cost and When They Pay OffPoints are prepaid interest, and on a purchase they can be deducted in the year paid.
Rate reflects the top marginal state income tax rate for 2026 per the Tax Foundation. Whether a deduction helps depends on your full return, including whether itemizing beats the federal standard deduction. General information, not tax advice.