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Assessor's Office

To pay your bills, please go to Pay Bills & Excise Info.


The exemption filing PERIOD STARTED ON JULY 1.

If you received an exemption last year, then we mailed you a blank form on July 1.


Assessors are required by Massachusetts law to list and value all real and personal property on an annual basis. Assessed values in Massachusetts are based on “full and fair cash value" or 100 percent of the fair market value as of January 1 of each year. To arrive at “full and fair cash value” the Assessors, with assistance from the appraisal vendors, interpret the real estate market by analyzing actual property sales between buyers and sellers from 12-18 months earlier. This involves an analysis of market activity by each class of property. Assessments for FY2023 reflect values as of January 1, 2022.  Assessed values appear on the third quarter real estate tax bill.

Assessors are required to submit these values to the State Department of Revenue for certification every five years. In the years between certification, Assessors must analyze the real estate market and perform interim adjustments to values as needed. This requirement is so that the property owner(s) pay their fair share of the cost of local government, in proportion to the amount of money the property is worth, on a yearly basis rather than every five years.

The Assessors office administers statutory exemptions, real estate abatements, motor vehicle and boat excise tax abatements. The Board of Assessors compiles the necessary tax policy data used in the annual tax classification hearing.

Important Information About the Assessor’s Office

Fiscal Year 2023 Tax Rates

General Information and Resources


The exemption filing PERIOD STARTED ON JULY 1.

If you received an exemption last year, then we mailed you a blank form on July 1.

Community Preservation Act (CPA)

Excise Tax

Info + Explanation

Property Taxes


Business Personal Property Form of List (Printable)


Filing Deadline was May 31, 2023 for your calendar year 2022 info

Downloadable forms:

Or online ​​​​​

The Board of Assessors requests Income and Expense information on Commercial, Industrial and Apartment (4+ units) Residential Properties to help us determine equitable values for assessment purposes. This request is for income and expense information relative to the operation of real estate for calendar year 2022.

If you have any questions or if you prefer to have us mail you the forms please contact us at 781-393-2435 or

In accordance with State Law, all information listed on the forms is not available to the public for inspection.

City Hall: Room 109

Ted Costigan
Chief Assessor
Phone: (781) 393-2435

Jared Yagjian
Assistant Assessor
Phone: (781) 393-2435


Rita Danilchuk
Administrative Assessor
Phone: (781) 393-2434

Maria DeGiovanni
Supervisor of Data/Office Manager
Phone: (781) 393-2433

Monday: 8:30 - 4:30
Tuesday: 8:30 - 4:30 
Wednesday: 8:30 - 7:30
Thursday: 8:30 - 4:30
Friday: 8:30 - 12:30

BOARD of ASSESSORs - members

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