Calculate your property tax for MA. Enter your home value, apply exemptions, and see your estimated annual tax.
Massachusetts property taxes are high in dollar terms but moderated by Proposition 2½, the 1980 voter initiative that caps how fast a community's levy can grow. Effective rates commonly run 1.0% to 1.4% of market value, with stark differences between Greater Boston suburbs (where high home values still produce large bills) and lower-value cities. Massachusetts allows towns to tax commercial and industrial property at a higher rate than residential under a split-rate system, and it offers a local-option residential exemption plus a state circuit-breaker credit for seniors. This guide explains the calculation and the relief worth claiming; the calculator below estimates your bill.
Assessors value property at 100% of fair cash (market) value. Your tax is the assessed value times the tax rate, expressed as dollars per $1,000 of value. Under Proposition 2½, a community's total levy cannot rise more than 2.5% per year plus the value of new growth, unless voters approve a Proposition 2½ override (a supermajority ballot question) or a debt exclusion. That cap is why, when home values soar, towns often lower their tax rate to stay within the levy limit — homeowners are protected from runaway collection even as assessments climb.
Proposition 2½ sets three rules: the levy cannot exceed 2.5% of the total taxable value (the 'levy ceiling'), annual levy growth is capped at 2.5% plus new growth, and any new tax or fee requires a vote. When a town needs more — for schools, public safety, or infrastructure — it puts an override or debt exclusion on the ballot. Approved overrides permanently raise the levy base; debt exclusions expire when the debt is paid. The result is that a community's tax rate is a political as well as a fiscal number.
Cities and towns may adopt a residential exemption that shifts a portion of the levy from residential to business property, lowering homeowner bills. Massachusetts also allows local senior exemptions (a percentage of value for owners 70+ under income limits, up to certain ceilings), veterans' exemptions, and exemptions for the blind and for surviving spouses. These are adopted by each community at varying levels, so a neighbor in the next town can have very different relief.
Statewide, the senior circuit-breaker credit refunds a portion of property tax (and half of water/sewer charges) to owners 65+ whose total household income is under a limit (about $70,000 recently) and whose tax burden exceeds a set percentage of income (roughly 10%). The credit is claimed on the state income-tax return, is refundable, and is one of the most valuable breaks for lower-income older homeowners because it scales with the actual burden.
Under Massachusetts classified (split-rate) taxation, a community may tax commercial, industrial, and personal property at up to 175% of the residential rate. Many inner-ring and urban communities use this to keep homeowner rates lower while business pays more. Whether your town uses the split rate affects how much of the bill falls on residents versus businesses.
The figures below draw on our county datasets where available; rates differ by jurisdiction, so use your specific locality's rate in the calculator.
| County | Effective Rate | Est. tax on $600,000 |
|---|---|---|
| Suffolk | 1.05% | $6,300 |
| Middlesex | 1.15% | $6,900 |
| Norfolk | 1.18% | $7,080 |
| Essex | 1.22% | $7,320 |
| Plymouth | 1.25% | $7,500 |
| Worcester | 1.35% | $8,100 |
Estimates apply each county's effective rate to a $600,000 market value for comparison only; your actual bill depends on your own assessed value, exemptions, and local levies.
Massachusetts bills are usually issued quarterly or in two halves (preliminary and actual) with due dates set by each community; unpaid taxes can accrue interest at a statutory rate (commonly 14%) and ultimately lead to a tax taking (foreclosure) if left unpaid for a year. The actual (final) bill is issued after the assessors set the rate in the fall, so the preliminary bills are estimates. Pay attention to the actual bill, because a large rate change can produce a surprise balance.
To lower your Massachusetts bill: (1) file for the residential exemption if your community offers it, shifting burden to business property; (2) claim the senior circuit-breaker credit on your state return — it is refundable and scales with burden; (3) grieve the assessment by February 1 if comparable sales are lower; (4) if your community uses a split rate, support commercial development that broadens the base and can lower the residential rate; (5) vote on Proposition 2½ overrides, since an approved override permanently raises the levy. The circuit-breaker alone can return hundreds to thousands of dollars for lower-income seniors.
In practice, a Massachusetts bill shows the tax rate (dollars per $1,000 of assessed value) multiplied by your assessed value, minus any residential exemption or statutory exemption, plus any betterments or special assessments. Because of Proposition 2½, the total levy is constrained, so when the assessors' valuations rise across town, the rate typically drops to stay within the cap — meaning a higher assessment does not automatically mean a higher bill. The bill is usually split into a preliminary bill (based on the prior year's rate) and an actual bill issued after the rate is set in the fall; the actual bill is where you see the real number. If your community uses a split rate, business property is taxed at the higher rate and your residential rate is correspondingly lower. Watch the fall tax-rate hearing, because that is where the year's rate — and therefore your bill — is set.
If you are buying in Massachusetts, obtain the prior year's actual bill (not just the preliminary estimate) and ask whether a Proposition 2½ override or debt exclusion is on the ballot, because an approved override permanently raises the levy and your bill. Confirm whether the town offers a residential exemption and whether you would qualify. Check the tax rate history — a falling rate alongside rising values is normal under the levy cap, but a sudden rate jump signals a budget problem. If the home is in a split-rate community, understand that commercial neighbors help keep your residential rate lower. Review the assessors' most recent valuation and grieve in your first spring if it looks high relative to the purchase price.
To appeal in Massachusetts, act by February 1 (or within 30 days of the actual tax bill, whichever is later) for the prior fiscal year. (1) Obtain the field card and recent sales from the assessors' office and identify comparable homes that sold for less than your assessment. (2) File an abatement application with the board of assessors, stating the facts and evidence; no fee is required. (3) The board must decide within a few months; if it denies you, (4) appeal to the Appellate Tax Board, an administrative tribunal, within the deadline stated in the denial. (5) Because Proposition 2½ already restrains levy growth, appeals win most when your individual assessment is out of line with the market, not when the whole town's values rose. A clean set of three to five comparable sales is usually the difference between winning and losing.
Massachusetts periodically debates Proposition 2½ reform — including proposals to let communities raise the levy ceiling for housing and climate needs, and to adjust the override threshold. The residential exemption and senior circuit-breaker are frequent subjects of expansion proposals, and some lawmakers have pushed to let more communities adopt split rates. Because 2½ directly caps collections, any change reaches every bill; follow your town meeting and the state budget for the signals that affect your rate.
Proposition 2½ — the 1980 cap limiting annual levy growth to 2.5% plus new growth. Override — a voter-approved levy increase above the cap. Debt exclusion — a temporary levy add-on to pay approved debt. Residential exemption — a local option shifting burden from homes to businesses. Circuit breaker — the senior state credit refunding tax exceeding a share of income. Split rate — taxing business property at a higher rate than residential.
Take two $600,000 homes. Homeowner A in a community with a $12-per-$1,000 rate owes about $7,200. Homeowner B, a 70-year-old with income under the circuit-breaker limit, claims the residential exemption (shifting some burden to business) and the senior circuit-breaker credit; the credit can refund a meaningful share of the tax if it exceeds 10% of income, potentially cutting the net cost toward $5,000 or less after the refund. The example shows how Proposition 2½ keeps the rate stable while the circuit-breaker protects lower-income seniors — the two work together.
In Massachusetts, property tax is usually paid from an escrow account if you have a mortgage; the lender pays the preliminary and actual bills from the funds collected monthly. Because the actual bill (set each fall) can differ from the preliminary estimate, escrow payments are often trued-up once a year — sometimes producing a small refund, sometimes a catch-up. If you win a abatement or claim the circuit-breaker credit, inform the lender so the escrow reflects the lower net tax. New buyers should obtain the prior year's actual bill (not just the preliminary) to avoid under-estimating the escrow and facing a mid-year increase.
What is Proposition 2ÂŊ in Massachusetts? A 1980 initiative capping a community's annual levy growth at 2.5% plus new growth, unless voters approve an override or debt exclusion. It also limits total levy to 2.5% of taxable value.
What is the residential exemption? A local option that shifts part of the levy from residential to business property, lowering homeowner tax bills. Communities adopt it at varying levels.
What is the senior circuit-breaker credit? A refundable state credit for owners 65+ with income under a limit whose property tax exceeds a set share of income. It is claimed on the state income-tax return.
What is split-rate taxation? A community may tax commercial and industrial property at up to 175% of the residential rate, shifting more burden to businesses.
How do I appeal my Massachusetts assessment? File an abatement application with the local assessors by February 1 (or within 30 days of the bill), then appeal to the Appellate Tax Board if denied.
Enter your home value, select your state, and see your estimated annual property tax.