Contact the Assessor's office at 978-540-2410 for an application for abatement or you can fill in and print out a Motor Vehicle Abatement Application Form (PDF). Follow the directions on the form and send it to the Assessor's Office at:
37 Shattuck Street
Littleton, MA 01460
Note: On unpaid excise tax bills, an owner risks incurring late fees and penalties if an abatement is not granted.