Our database shows there are 8 registered sex offenders within 2 miles of 158 Concord Rd, Bldg D, Apt 01, Billerica, MA 01821. View the photos, address, physical description and more details of each registered offender within 2 miles of 158 Concord Rd, Bldg D, Apt 01, Billerica, MA 01821.