The BMS Office is generally open in summer M-Th 9-2 and, Fridays 9 to 12pm.
It is closed on July 4 for the Independence Day holiday.
If you have business in the office, we advise that you call in advance to be sure someone is in the office to assist you when you arrive: (978) 921-6103. There are times when the office may be closed due to vacations or out of building meetings.