What is the property tax rate in Hampshire County?

The combined effective property tax rate in Hampshire County, Massachusetts is approximately 1.71%.

Hampshire County Property Tax Calculator (2026) — Massachusetts Property Tax Almanac

Property Tax in Hampshire County, 2026

A calculator and field guide for Amherst-area homeowners — and for anyone considering a move to Hampshire County — including Massachusetts' 100% full-and-fair-cash-value assessment, Proposition 2½'s twin levy caps (2.5% annual growth + 2.5% of FCV ceiling, max $25/$1,000 rate), the Boston-area Residential Exemption that reduces taxable value 35% for owner-occupants in adopting communities, and the Clauses 41C/22 senior + disabled veteran exemptions.

Hampshire County, home to Northampton and 162k Bay Staters, operates under Massachusetts's distinctive Proposition 2½ property tax system. Massachusetts uses 100% full-and-fair-cash-value assessment and total tax = AV × millage / $1,000. Proposition 2½ (passed 1980) imposes two key caps: the levy ceiling (total levy ≤ 2.5% of full and fair cash value of all taxable property, with maximum tax rate of $25/$1,000) and the levy limit (annual levy growth ≤ 2.5% above prior year, plus new growth from new construction).

How the bill is built

Massachusetts's property tax calculation is straightforward but with substantial municipality-level variation. Step 1: Assessed Value. Each city/town's local Board of Assessors values your property at full and fair cash value (100% assessment ratio — equal to fair market value). Step 2: Apply combined rate. Tax = AV × total millage / $1,000. Hampshire's typical municipal millage is approximately $17.08 per $1,000 of AV. Step 3: Apply Residential Exemption (if adopted). Boston, Cambridge, Somerville, Brookline, Chelsea, Everett, Malden, Waltham, and Watertown have adopted the Residential Exemption — reducing AV by approximately 35% of average residential value for owner-occupied primary residences. Step 4: Apply local exemptions. Clauses 41C (senior, ~$1,000), 22-22F (veteran, $400-$1,500 partial; full only for paraplegic/100%-blind via 22F), and 17D (widow/widower) provide modest dollar reductions.

Proposition 2½ does NOT cap individual tax bills. The 2.5% annual cap applies to the entire municipality's tax levy, not to your individual bill. Your bill can grow much faster than 2.5% in a single year if (a) your property's assessment rises faster than the average, (b) new growth (new construction) adds to the levy limit, or (c) voters pass an override or debt exclusion. The most-common scenario for individual bill spikes: revaluation years when assessed values catch up to several years of market growth.

The Boston Residential Exemption is one of the most-valuable owner-occupant benefits in the United States. For FY2026, the Boston Residential Exemption reduces taxable value of qualifying owner-occupied primary residences by approximately 35% of the average assessed value of all residential properties — a savings of roughly $3,984 in FY2026 for qualifying primary residences. The catch: it applies ONLY to owner-occupants (not investment properties or short-term rentals) AND only in adopting communities. Combined with Boston's split tax classification (commercial millage ~$25.96/$1,000 vs residential ~$10.85/$1,000), Boston primary residences pay among the lowest effective property tax rates of any major US city.

Massachusetts is one of few states without an automatic full disabled-veteran exemption. Clause 22 series exemptions (state-mandated, locally-administered): Clause 22 (10%+ disability, $400), 22A ($750), 22B ($1,250), 22C ($1,500), 22D (KIA spouse, full), 22E (100% disability, $1,000), 22F (paraplegic/100%-blind, full), 22H (Gold Star parents, full). The 2024 HERO Act added local options 22I (CPI indexing) and 22J (doubling). For 100% disabled veterans without paraplegia or blindness, MA provides only $1,000 — substantially less than VA, NJ, TX, FL, MI, and other full-exemption states. The MA Senior Circuit Breaker (refundable income tax credit, max ~$2,730 in FY26) provides an alternative path for disabled-elderly veterans.

2026 Hampshire County rate breakdown (dollars per $1,000 of AV (100% full-and-fair-cash-value), Northampton district)

Taxing entity	Rate
Northampton (typical residential)	17.0800
Amherst (typical residential)	21.0300
Easthampton (typical residential)	17.8400
Combined total	55.9500

As of April 28, 2026 · From Hampshire County (no county-level assessor; town-administered).

Note: Hampshire County is the heart of the Pioneer Valley's "Five Colleges" region — UMass Amherst (~32K students, the state's land-grant flagship), Smith College (~2.6K, one of the original Seven Sisters), Mount Holyoke College (~2.2K, founded 1837 as the first US women's college), Amherst College (~1.9K), and Hampshire College (~700). Combined enrollment of ~40K students drives much of the county's economy. Major employers also include Cooley Dickinson Hospital, Yankee Candle (Easthampton), and the substantial state government presence in Northampton.

Note: Hampshire's town-administered tax structure means each of the 20 towns sets its own residential rate; Amherst at $21.03/$1,000 is among the higher in the Pioneer Valley, while smaller hilltowns like Worthington run $14-15. Massachusetts assesses at 100% of fair market value, with the residential exemption and senior exemptions varying by town. The substantial Five Colleges tax-exempt property base (universities are property-tax-exempt) means Hampshire County's residential homeowners shoulder a disproportionate share of the levy.

Note: Massachusetts Proposition 2½ (1980) caps annual property tax levy growth at 2.5% statewide, so Hampshire County's towns can't raise rates dramatically without override votes. The state's "Circuit Breaker" property tax credit (income-tested up to ~$2,400 for 65+ with HHI < ~$72K) provides additional relief. Massachusetts has a flat 5% income tax + 4% surtax on income over $1M ("Fair Share Amendment," 2022).

Deductions and exemptions for 2026

Massachusetts homeowner property tax relief is concentrated in five mechanisms: (1) the Boston/Cambridge/Brookline-style Residential Exemption (35% AV reduction for owner-occupants, only in adopting communities), (2) Clause 41C Senior Exemption (~$1,000 typical, locally-administered), (3) Clauses 22-22F Veteran Exemptions ($400-$1,500 partial, full only for paraplegic/blind via 22F), (4) the state-level Senior Circuit Breaker (refundable income tax credit, ~$2,730 max), and (5) Property Tax Deferral (Clause 41A, 8% interest, lien-based).

Residential Exemption (Boston, Cambridge, Brookline, etc.)

Adopting communities (Boston, Cambridge, Somerville, Brookline, Chelsea, Everett, Malden, Waltham, Watertown) reduce the taxable value of owner-occupied primary residences by approximately 35% of the average assessed value of all residential properties in the community. For Boston FY26, this saves owner-occupants roughly $3,984 on their annual tax bill — among the most-valuable property tax benefits in the United States. Apply with your local Board of Assessors. Residential Exemption applies ONLY to owner-occupants — investment properties, second homes, and short-term rentals pay full posted rate. Apply once; the exemption renews automatically as long as occupancy continues.

Clause 41C Senior Exemption

The Massachusetts Clause 41C Senior Exemption provides $1,000 typical (state mandates $500 minimum, doubled to $1,000 by local vote in most communities) for owner-occupants 70+ (locally reducible to 65+). Income limits ~$24,911 single / $37,367 married (FY26 typical). Apply annually with local Board of Assessors by April 1. Boston also provides up to $1,000 additional discretionary tax relief on top of the base $1,000.

Clauses 22 series Veteran Exemptions

Massachusetts veterans receive partial property tax exemptions through the Clause 22 series: Clause 22 (10%+ disability, $400), 22A (loss of limb/eye/Purple Heart, $750), 22B (loss of two limbs/eyes, $1,250), 22C (severe disability, $1,500), 22D (KIA spouse, full), 22E (100% disability, $1,000), 22F (paraplegic/100%-blind, full), 22H (Gold Star parents, full). The HERO Act of 2024 added local options: Clause 22I (CPI-indexed annual increases) and 22J (doubling of all amounts). Apply with local Board of Assessors with VA disability documentation.

Senior Circuit Breaker (refundable state income tax credit)

The MA Senior Circuit Breaker is a refundable credit on the state income tax return (Schedule CB) for homeowners 65+ whose property tax + half water/sewer charges exceed 10% of total income. The maximum credit is approximately $2,730 in FY2026 (indexed annually). Income limits (FY26 typical): $69,000 single, $86,000 head of household, $103,000 married filing jointly. The Senior Circuit Breaker provides substantially more relief than Clause 41C in most cases — eligible seniors should typically take the Circuit Breaker rather than 41C alone. Both can be combined.

Appealing your assessment

Massachusetts assessment appeals run through the local Board of Assessors. Homeowners file a Property Tax Abatement Application within 30 days of receiving the actual tax bill (typically January for FY26, due by February 1). The Board of Assessors reviews and may grant abatement. If denied, homeowners can appeal to the Commonwealth of Massachusetts Appellate Tax Board (ATB) in Boston within 3 months of the denial decision. ATB decisions can be appealed to the Massachusetts Appeals Court. Most MA cities and towns reassess annually for full and fair cash value; revaluation years (when assessments are recertified by the Department of Revenue) typically produce the largest single-year bill changes.

Cities and towns in Hampshire County

Hampshire County contains 6 incorporated municipalities, ranging from Northampton to the smallest village. Search volume for property tax is often city-specific, so here is the complete list — with population from the 2020 US Census, rounded to the nearest 100.

Data: US Census Bureau, 2020 Decennial Census. Populations rounded. Cities marked as "split" straddle a county border — the portion inside Hampshire County is subject to Hampshire County's tax rolls, while the portion outside is subject to the adjacent county's.

City or town	Type	Population (2020)
Amherst	town	39,000
Northampton County seat	city	29,000
South Hadley	town	18,000
Easthampton	city	16,000
Belchertown	town	15,000
Hadley	town	5,300

About city-level property tax rates: The rate breakdown and calculator on this page reflect the Northampton tax district. Other cities in Hampshire County may pay into different school districts, city rates, and special districts — so their combined rates can differ, sometimes substantially. Always verify the specific rates for your address with the Hampshire County (no county-level assessor; town-administered) before relying on any estimate.

Frequently asked questions

When are Massachusetts property taxes due?

Massachusetts property taxes are billed quarterly: August 1 (Q1), November 1 (Q2), February 1 (Q3), May 1 (Q4). The Q1 and Q2 bills are "preliminary" (estimated based on prior year), and Q3 and Q4 bills are "actual" (reflecting the current year's assessment and tax rate, which are typically set in late autumn). The actual bill (Q3, mailed late December) is when most homeowners learn their final annual tax. Late payments incur 14% annual interest. Most MA homeowners pay through escrow via mortgage servicer.

Does Proposition 2½ cap my individual tax bill at 2.5% per year?

No — this is the most-common misconception. Proposition 2½ caps the entire municipality's tax levy (total revenue raised) at 2.5% annual growth, NOT individual bills. Your individual bill can grow much faster than 2.5% in a single year if (a) your property's assessment rises faster than the town average, (b) the town adds new growth from new construction, or (c) voters pass an override or debt exclusion. Bill spikes are most common during revaluation years when assessed values catch up to several years of market growth. The 2.5% cap is structurally important but doesn't directly protect individual homeowners.

How do I apply for the Clause 41C Senior Exemption?

Clause 41C (Senior Exemption) is available to owner-occupants 70+ (locally reducible to 65+) with income under ~$24,911 single / $37,367 married (typical FY26 limits — varies slightly by community). Apply with your local Board of Assessors by April 1 each year. Standard exemption is $500 (state minimum), doubled to $1,000 by local vote in most communities. Boston provides up to $1,000 additional discretionary relief. The Senior Circuit Breaker (refundable state income tax credit, max ~$2,730 in FY26) typically provides MORE relief than Clause 41C alone — eligible seniors should file Schedule CB on their MA state income tax return.

Why do disabled veterans pay property tax in Massachusetts when other states fully exempt them?

Massachusetts is one of few states without an automatic full disabled-veteran exemption. Clause 22E (100% disability) provides only $1,000 — and full exemption is available ONLY for paraplegic or 100%-blind veterans (Clause 22F) or surviving spouses of service members killed in action (Clause 22D). The 2024 HERO Act added local options 22I (CPI indexing) and 22J (doubling) that some communities are adopting — Clause 22J would double the 22E benefit to $2,000. The MA Senior Circuit Breaker (refundable income tax credit, max ~$2,730) provides an alternative path for disabled-elderly veterans. Lobbying continues for full exemption legislation.

How do I appeal my Massachusetts assessment?

File a Property Tax Abatement Application with your local Board of Assessors within 30 days of receiving the actual tax bill (typically January for FY26, with appeals due by February 1). The Board reviews and may grant abatement based on assessment errors or comparable sales evidence. If denied, appeal to the Commonwealth of Massachusetts Appellate Tax Board (ATB) in Boston within 3 months of the denial decision. The ATB is the dedicated state-level property tax appeals body. ATB decisions can be appealed to the Massachusetts Appeals Court. Most MA cities and towns reassess annually for full and fair cash value; revaluation years (Department of Revenue recertifications, typically every 5 years) produce the largest bill changes.

About Hampshire County

Beyond the property tax — a few things you might not know about the place.

Weird fact

The Five Colleges in Hampshire County share library catalogs, busing, and cross-registration — students at any one school can take courses at any of the others without paying additional tuition. This consortium model (founded 1965) is among the oldest US college consortiums and inspired similar models at Claremont (CA), Quad Cities (IL/IA), and the Atlanta University Center (GA).

Hometown hero

Emily Dickinson

American poet (1830-1886), one of the most important figures in American literature. Born and lived nearly her entire life in Amherst (Hampshire County). The Emily Dickinson Museum (her family home, "The Homestead") preserves her workspace where she wrote ~1,800 poems mostly in private during her lifetime. She published only ~10 poems before her death; her sister Lavinia discovered the rest and arranged for posthumous publication.

Biggest annual event

Three County Fair

Annual September fair in Northampton — the oldest continuously-operating agricultural fair in the United States (since 1818). Features harness racing (the celebrated Northampton Fair Racing meet), 4-H livestock competitions, demolition derbies, and grandstand entertainment. Draws ~80K attendees over 5 days; among the longest-running annual events in New England.

Property Tax in Hampshire County, 2026