Informational Alert | Coronavirus Updates
NOTICE: The Assessing Department will be open to members of the public, by appointment only, on Mondays and Wednesdays from 8:30 a.m. to 4:30 p.m. Appointments are available for residential exemptions, personal exemptions, excise tax abatements, and other services. Appointments can be made by phone at 617-349-4343 or by email at


Houses on Quality Row

The Assessing Department manages commercial/industrial and residential property values and maintains an extensive database of property information. Some of this information is available online in the Property Database.

In addition, the Assessing Department manages personal property (business) values and Motor Vehicle Excise Tax.

Change of Address: Please email:

Municipal Lien Certificates (MLC): If you are requesting a municipal lien certificate please use the link below to access the on-line form. 

To help mitigate the effect of COVID-19, the City of Cambridge has closed all municipal buildings and asked non-essential staff to not report to the office beginning Tuesday, March 17th until further notice.  The Assessing Department does not process any MLCs.  Please contact the Finance Department directly or use this link so your certificate request is not unnecessarily delayed.  

Municipal Lien Certificate Form

Real Estate and Property Tax Update Revised on 4-20-20:

The City is extending the due date for Second Half Real Estate and Property Tax bills until June 1, 2020. Interest and other penalties on late payments made on property tax bills will be waived if payments are made by June 29, 2020. Real Estate and Property Tax bills are currently available online at

Because property tax revenue is the largest source of City revenue, which allows the continuance of essential City services, property owners who are able to pay on-time are encouraged to do so as to make it possible for the City to accept late payments for those who need relief.

Excise Tax and Water/Sewer Payments Update 4-6-20
Interest and other penalties on late payments made on Excise Tax and water/sewer bills with due dates after March 10, 2020 will be waived if payments are made by June 29, 2020.




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