State Library of Massachusetts

The State Library supports the research and information needs of government, libraries, and the public through innovative services and access to a comprehensive repository of state documents and other historical items.

Have a question for the State Library?

CHAT with us (Monday to Friday 9 a.m.- 4:30 p.m.)

Fill out our Online Question Form 

Email us at or

Call the Reference Department at 617-727-2590 or the Special Collections Department at 617-727-2595 and leave a message. Your call will be returned (Monday-Friday).

More information on on accessing our resources remotely 

Contact Us

Logo of the State Library of Massachusetts


Main Library
Massachusetts State House, Room 341, Boston, MA 02133
Special Collections Department
Massachusetts State House, Room 55, Boston, MA 02133


Main Library (617) 727-2590

Open M-F 9 a.m.–5 p.m.

Special Collections Department (617) 727-2595

Open M-F 9 a.m.–5 p.m.


(617) 727-9730

Who we serve

The State Library was established in 1826 to collect, deposit, and house the Commonwealth's collections of maps, statute books, and government documents in a single central location. Since that time, the State Library has grown into a multifaceted and reliable resource for legislators, executive personnel, state employees, historians, genealogists, and users from all over the world.

Search the library's collections by using our online catalogdigital repository, and databases.


Recent news & announcements from State Library of Massachusetts


The State House: Decorated for a Grand Army of the Republic Reunion 

7/01/2020 State Library of Massachusetts

July's Collection Spotlight is a photograph from 1891


July Friends of the Library NEWSBrief  

7/01/2020 State Library of Massachusetts

Read the new issue of the Friends of the State Library newsletter

Locations of State Library of Massachusetts