The Official Website of the Office of Consumer Affairs & Business Regulation (OCABR)

Consumer Affairs and Business Regulation

Consumar Affairs & Business Regulation - Better businesses Smarter consumers.

Contact Info at OCA


Contact Info at Consumer Affairs and Business Regulation
General consumer inquiries can be directed to OCA.  Specific inquiries can be directed to the appropriate agency below.

Ten Park Plaza, Suite 5170
Boston, MA 02116
Phone: (617) 973-8700
Fax: (617) 973-8799
Consumer Hotline: (617) 973-8787 or 888-283-3757 toll free (MA only)
Website: www.mass.gov/consumer

Use our Question / Complaint Form to submit inquiries online.
MassRelay Customer Service is available 7 days a week, 24 hours per day, 365 days a year
Deaf and Hard of Hearing Users: 800-720-3480
Hearing Users: 800-720-3479

DTC Logo

Two South Station, 4th Floor
Boston, MA 02110
Phone: (617) 305-3580
Fax: (617) 478-2591
Consumer Line: (617) 305-3531 or 800-392-6066 toll free (MA only)
Website: www.mass.gov/dtc

DOB Logo

One South Station, 3rd Floor
Boston, MA 02110
Phone: (617) 956-1500
Fax: (617) 956-1599
Consumer Line: (617) 956-1501 or 800-495-2265 toll free (MA only)
Website: www.mass.gov/dob

DOI Logo

One South Station, 5th Floor
Boston, MA 02110
Detailed DOI Contact Information
Phone: (617) 521-7794
Fax: (617) 521-7575
Consumer Line: (617) 521-7777
Website: www.mass.gov/doi

DPL Logo

239 Causeway Street
Boston, MA 02114
Detailed DPL Contact Information
Phone: (617) 727-3074
Fax: (617) 727-1944
Consumer Line: (617) 727-7406
Website: www.mass.gov/dpl

DOS Logo

One Ashburton Place, Room 1115
Boston, MA 02108
Phone: (617) 727-3480
Fax: (617) 727-5705
Website: www.mass.gov/standards

SRC Logo

One Ashburton Place, Room 1313
Boston, MA 02108
Phone: (617) 727-2581
Fax: (617) 227-6062
Website: www.mass.gov/src