Holiday Office Hours: The holiday hours for the Merrimac Town Hall are: Christmas Eve on Wednesday, December 24: Closed  Christmas Day on Thursday, December 25: Closed Friday, December 26: open 11am-2pm for tax collection New Year’s Even on Wednesday, December 31: open 9am-Noon New Year’s Day on Thursday, January 1: Closed Friday, January 2: open 11am-2pm for tax collection   Tax payments must be postmarked or paid online on or before December 31st to be credited as paid in 2025.  Thank you!