How to Appeal Your Property Tax in Massachusetts
Massachusetts homeowners can appeal their property tax assessment if they believe it's too high. This guide covers the 2026 appeal deadline, required evidence, and step-by-step process.
2026 Appeal Deadline: February 1
Don't miss your window. Missing the deadline means waiting another full year.
How Massachusetts Assesses Property
Massachusetts assesses residential property at 100% of market value.
Massachusetts assesses property at 100% of full and fair cash value.
The Appeal Process
Appeals are heard by the Appellate Tax Board. An informal review is available before filing a formal appeal.
Board of Assessors (Abatement Application)
Appellate Tax Board
Appeals Court
Massachusetts Appeal Deadline
What Overassessment Costs Massachusetts Homeowners
The median home in Massachusetts is worth $466,000. If your assessment is just 10% too high, you may be overpaying:
~$522/year
Effective tax rate: 1.12% · Median value: $466,000
Check Your Massachusetts Assessment
Enter your address to see your estimated overassessment and Massachusetts filing deadline.
Massachusetts Counties
Essex County
Median: $578,100 · Rate: 1.12%
Deadline: February 1, 2026 or three months after the actual (third quarter) tax bill is mailed, whichever is later
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Middlesex County
Median: $687,200 · Rate: 1.22%
Deadline: February 1, 2026, or 30 days from the mailing date of the third-quarter actual tax bill, whichever is later
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Norfolk County
Median: $592,100 · Rate: 1.18%
Deadline: February 1, 2026 (or within 30 days of the first installment of the actual property tax bill, typically the third quarter bill)
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Suffolk County
Median: $641,300 · Rate: 1.07%
Deadline: February 2, 2026 for Fiscal Year 2026
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Worcester County
Median: $282,800 · Rate: 1.43%
Deadline: 30 days from the mailing of the Third Quarter actual tax bill, usually January 2 through February 2 each year
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Massachusetts Guides & Resources
📋 How to Appeal Property Taxes in Massachusetts: Complete 2026 Guide
Complete guide with deadlines, forms, and step-by-step instructions
📋 How Much Can Property Taxes Increase in Massachusetts? 2026 Complete Guide
Massachusetts caps, limits, and protections
📅 Massachusetts Property Tax Appeal Deadline 2026: February 1st Abatement Window
Massachusetts filing deadlines and process
🏦 How to Appeal Property Taxes in Escrow in Massachusetts (2026)
Yes, you can appeal even if your lender pays your taxes
🔑 Inheriting Property in Massachusetts: What Happens to Property Taxes (2026)
Massachusetts reassessment rules, exemptions, and strategies for inherited property
👤 Massachusetts Senior Property Tax Benefits: Every Exemption, Freeze & Deferral (2026)
Age 65+ exemptions, freezes, and deferrals in Massachusetts
Massachusetts Homestead Exemption 2026: Save $200-$500 Every Year (Most Homeowners Missing Out)
Massachusetts's homestead exemption can save you $200-$500 a
Property Tax Appeal Resources
Best Appeal Services Compared
7 companies compared — pricing, coverage, and pros/cons for 2026.
2026 Appeal Deadlines
Every state's deadline, filing method, and what happens if you miss it.
Assessment Ratios by State
Every state's assessment percentage — from 4% to 100% — with worked examples.
9 Ways to Lower Your Property Taxes
From homestead exemptions to formal appeals — every method that works.
Savings Calculator
Check if you're overassessed — enter your assessed value to see potential savings.
Flat Fee vs Contingency: Which Saves More?
$49 flat vs 25-50% of savings — see the break-even math at every savings level.
Frequently Asked Questions
How do I appeal my property tax in Massachusetts?
What is the Massachusetts property tax appeal deadline?
What is Massachusetts's property tax assessment ratio?
How much can I save by appealing in Massachusetts?
What evidence do I need for a Massachusetts property tax appeal?
What is the effective property tax rate in Massachusetts?
Can I file a Massachusetts property tax appeal online?
Ready to Appeal Your Massachusetts Property Tax?
Enter your address for a free overassessment analysis. If the numbers support a appeal, your complete evidence packet is $49.