Office of the Inspector General (OIG)

The Office of the Inspector General is an independent agency that promotes good government by preventing and detecting the misuse of public funds and public property. The Office conducts confidential investigations, improves transparency in government, helps government run more effectively and educates government employees and the public.

Contact Us

Office of the Inspector General Seal


1 Ashburton Place, Room 1311, Boston, MA 02108


Main Office (617) 727-9140

Open from 9:00 a.m. to 5:00 p.m., M-F

Confidential Fraud, Waste, and Abuse 24-Hour Hotline (800) 322-1323
MassDOT Fraud Hotline (855) 963-2580
Chapter 30B Hotline (617) 722-8838
Media Inquiries (617) 722-8822

Who we serve

The OIG serves the residents of Massachusetts, state and local governments, and those who work with the government. The Office investigates crimes involving public funds and identifies waste and abuse in government spending. Anyone may call the Office’s confidential hotlines to report suspected fraud, waste or abuse of taxpayer funds: you do not have to give your name. The Office also provides trainings, manuals, guides and other assistance to help state and local agencies run more efficiently and use public funds appropriately. Information about the Office’s investigations and other activities, as well as links to free webinars, publications and other resources, are available online.

Upcoming Events from Office of the Inspector General

No upcoming events scheduled


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