Department of Industrial Accidents (DIA)

Department of Industrial Accidents

The Department of Industrial Accidents (DIA) oversees the Massachusetts workers’ compensation system.

Contact Us

Department of Industrial Accidents (DIA) logo

Address

1 Congress St., Suite 100, Boston, MA 02114

Phone

This line is open 8 a.m. to 5 p.m., M-F

Toll Free (Mass. Only) (800) 323-3249

This line is open 8 a.m. to 5 p.m., M-F

TDD (Hard of hearing) (800) 224-6196

This line is open 8 a.m. to 5 p.m., M-F

Who we serve

As the court system for workers’ compensation cases, we help injured workers, employers, attorneys, and insurers among others. We resolve disputes as to whether benefits are due or should be stopped. We are responsible for making sure employers in Massachusetts have workers’ compensation insurance.

Recent news & announcements from Department of Industrial Accidents

News

CL 353: COLA, Minumum and Maximum SAWW, Attorney Fees 

10/09/2018 Department of Industrial Accidents

Circular letter number 353

Upcoming Events from Department of Industrial Accidents

Locations of Department of Industrial Accidents

We have 5 locations across Massachusetts to better serve you.

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