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Massachusetts property tax

Start with your county. Published tax dates and rules link to the official source.

Statewide rules

✓ Verified — Last verified October 24, 2026

Appeal process

First apply to the local assessors for an abatement by the due date of the first actual tax-bill installment; late applications lose abatement rights.

Official source. Verified .

Who may represent homeowners

At the Appellate Tax Board, individuals may act for themselves and Massachusetts attorneys may practice; out-of-state attorneys require permission and Massachusetts co-counsel under 831 CMR 1.02. This records the express permissions, not a blanket authorization for nonlawyer tax consultants.

Official source. Statutory. Verified .

Counties and county equivalents

Common questions

How do property tax appeals work in Massachusetts?

First apply to the local assessors for an abatement by the due date of the first actual tax-bill installment; late applications lose abatement rights.

Who may represent a homeowner in a Massachusetts property tax appeal?

At the Appellate Tax Board, individuals may act for themselves and Massachusetts attorneys may practice; out-of-state attorneys require permission and Massachusetts co-counsel under 831 CMR 1.02. This records the express permissions, not a blanket authorization for nonlawyer tax consultants.

Sources

www.mass.gov
The deadline for applying for an abatement of property taxes is the due date of the first installment of the actual tax bill.

Verified October 24, 2026

www.mass.gov
In any proceeding before the Board, persons may appear and act for: themselves;

Verified October 24, 2026