Assessing Calendar
Keep up with important assessing dates and deadlines.
What to know about the fiscal year
In Massachusetts, the Fiscal Year commences on July 1 and ends the following June 30. State law requires that all property be assessed at its full market value as of January 1 before the start of the fiscal year.
The ownership, value, and condition of property on January 1 determines an assessment and to whom the tax bill is assessed. New structures, additions, demolitions, improvements, or alterations that occur after January 1 will not be reflected in the assessing record until the following January 1. The only exception is certain exempt property which has a date of determination of July 1.
Assessing Calendar
Date | Actions |
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July 1 |
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August 1 or first business day following due date. |
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September |
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October 1 |
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November 1 or first business day following due date |
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Late December |
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January 1 |
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February 1 or first business day following due date |
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February - May |
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March 1 |
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April 1 (or 3 months after third quarter or actual tax bills are mailed, if later) or first business day following due date |
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May 1 or first business day following due date. |
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June 30 |
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