Massachusetts Property Appraisers & Tax Directory
Directory of all 14 counties in Massachusetts. Access local property valuation administrators, parcel search GIS maps, and tax appeal boards.
County Property Tax Calculator
Estimated using County's effective tax rate of 1.15% (Assessment ratio: 100%)
Massachusetts County Assessors Directory
Select your county to view the local property appraiser office and parcel search portal.
Barnstable County
Seat: Barnstable
Berkshire County
Seat: Pittsfield
Bristol County
Seat: Taunton
Dukes County
Seat: Edgartown
Essex County
Seat: Salem
Franklin County
Seat: Greenfield
Hampden County
Seat: Springfield
Hampshire County
Seat: Northampton
Middlesex County
Seat: Lowell
Nantucket County
Seat: Nantucket
Norfolk County
Seat: Dedham
Plymouth County
Seat: Brockton
Suffolk County
Seat: Boston
Worcester County
Seat: Worcester
Massachusetts Property Tax Laws & Rules
Massachusetts General Law allows municipal residential exemptions up to 35% in cities like Boston, Cambridge, and Somerville.
Senior Circuit Breaker Credit provides up to $2,600 refundable state tax credit. Clause 22 provides $400 to full tax exemption for disabled veterans.
February 1 (or 30 days after actual tax bill is mailed).
Appeals are filed before the: Appellate Tax Board (ATB).
Frequently Asked Questions
What is the average property tax rate in Massachusetts?
The average effective property tax rate in Massachusetts is approximately 1.15%. Actual tax bills depend on your county, municipality, and local school district levies.
How are properties assessed in Massachusetts?
Under Massachusetts law, properties are assessed at a statutory assessment ratio of 100% of fair market value by the local Town / City Board of Assessors.
When is the deadline to appeal property taxes in Massachusetts?
In Massachusetts, property valuation appeals must generally be filed by: February 1 (or 30 days after actual tax bill is mailed). Appeals are heard by the local Appellate Tax Board (ATB).
What homestead exemptions are available in Massachusetts?
Massachusetts General Law allows municipal residential exemptions up to 35% in cities like Boston, Cambridge, and Somerville.
State Tax Authority
Agency: Massachusetts Department of Revenue - Division of Local Services
Visit Official State Tax Agency