The Massachusetts Department of Revenue (DOR) mandates that every town fully update its property assessments each year to reflect the current fair market value. Wellesley's updated property assessments are submitted to the DOR each year for its review and approval before the tax rate can be set by the Board of Selectmen.
Every five years the DOR completes a comprehensive audit of the Town’s records and procedures for certification. The DOR’s last certification of the Town’s assessments and procedures was for FY 2020.
The Massachusetts State House passed an "Act to Address Challenges Faced by Municipalities and State Authorities Resulting From COVID-19” allowing cities and towns, on a community by community basis, to delay the due date for the 4th quarter FY2020 Real Estate and Personal Property tax bills that were just mailed out.
On April 13, 2020 the Wellesley Board of Selectmen unanimously voted to adopt this Act and has extended due dates until June 1, 2020 for real and personal property tax payments and applications for exemptions/deferrals for residents affected by COVID-19.