MAAO Discussion Board/Forum: The MAAO has started a new Forum (discussion board). The first discussion board is COVID in Assessment. It is located along the top rail of the website.   The first Discussion Board is in regards to your municipalities regarding COVID in Assessment. Please take a moment to go in and answer the questions. In order to reply you must be logged in. MAAO Forum

COVID-19 (Coronavirus): The MAAO is very sensitive to the concerns regarding COVID-19 (Coronavirus) and upcoming MAAO offerings.The MAAO has made the decision to postpone or cancel upcoming in-person Course/Workshop/Conferences through August 31, 2020. Future in-person offerings will be reassessed when more information regarding social gatherings is updated in the meantime the MAAO has been working to offer on-line offerings.

Address Change: The MAAO has closed P.O. Box 70 in Shrewsbury, all mail sent to this address will be forwarded, but with a delayed delivery.  Please be sure to send all payments and correspondents to the MAAO at 44 Bearfoot Road, Suite 200, Northborough, MA 01532.

Member Sign In:  If you are a member of the MAAO, be sure to sign in to the website.  Members do have some content that is only visible once logged in.

Need Assistance? If you have any issues logging into to your account, please contact Paula Rubley at 774-249-8625 or or Christine Purple at 774-249-8624 or

Calendar more

8/6/2020 » 8/19/2020
Annual School-Crs 6-Valuation Administration-Aug. 6, 7, 13, 14 & exam 17-19, 2020

8/6/2020 » 8/19/2020
Annual School-Course 5-Mass Appraisal-Aug. 6, 7, 13, 14 & exam 17-19, 2020

8/6/2020 » 8/19/2020
Annual School-IAAO 102-Income Approach to Valuation - Aug. 6, 7, 13, 14 & exam 17-19, 2020

8/30/2020 » 9/2/2020
IAAO Annual Conference-August 30-September 2, 2020

The purpose of this organization is to educate the Assessing Officers of Massachusetts and their assistants in the field of assessing in this State; to assist in creating efficient and uniform administration of local tax laws; to afford opportunity for the discussion of subjects pertaining to local taxation; to provide methods for encouraging the development of desirable tax laws and to discourage the adoption of harmful measures relating to taxation or to the duties of local taxing officials; to promote public understanding of Assessing Officials work efforts to the general public. - Article II of the MAAO By-Laws as amended 6/24/93

MAAO, 44 Bearfoot Road, Suite 200, Northborough, MA 01532 Phone:774-249-8624 Email: