Absentee ballots are typically available about three weeks before an election from the Town Clerk in your town:

• Concord Town Clerk: TownClerk [at] concordma.gov 
  22 Monument Sq., Concord, MA 01742; (978) 318-3080; Monday-Friday, 8:30 a.m.-4:30 p.m. (subject to change; call for summer hours)
• Carlisle Town Clerk: townclerk [at] carlislema.gov 
  66 Westford St., Carlisle, MA 01741; (978) 369-6155; Monday-Friday, 9 a.m.-3 p.m. (subject to change)

   

Complete information about absentee voting in Massachusetts is available from the Secretary of the Commonwealth.