The Billerica Assessors Office is located at 365 Boston Rd, Room 109, Billerica, MA  01821. Hours of operation are Monday through Friday, 8:30AM to 4:00PM. There are two counter terminals in the Assessors Office which may be used for accessing property record cards. There is a $1.00 charge per property record card.

Ownership information is restricted per vote of the Board of Selectman.