The Massachusetts Board of Library Commissioners (MBLC) is the agency of state government with the statutory authority and responsibility to organize, develop, coordinate, and improve library services throughout the Commonwealth.

The nine commissioners set policy and conduct official business. The MBLC staff administer a wide array of statewide programs and services for libraries and residents.  Choose a topic to learn about the MBLC budget and current legislative activity, and the affiliate service organizations that MBLC funds.