Municipal Library

The Municipal Library contains more than 400,000 unique reports, books, periodicals and documents about New York City government. The Library is open to the public and offers internet access, a reading area, an online catalog, and reference assistance. The Library also makes available a growing collection of agency reports and other material online via the Government Publications Portal.

31 Chambers Street
Room 111
New York, NY 10007

Open to the public: Monday, Tuesday, Wednesday and Friday: 9 AM to 4:30 PM; Thursday: 9 AM to 7 PM; Saturday: 9:30 AM to 12:30 PM.

Get directions, visitor instructions, and holiday closings information.

Please Note: Coats, bags, briefcases, and other personal articles are not permitted in the document research areas.

Search the Municipal Library Catalog. Note: Our online catalog software has changed to Koha. Learn more about Koha.

The Koha catalog of the Municipal Library will be unavailable from 9 p.m. to 11 p.m., Saturday, November 17. Our system is being upgraded. Sorry for any inconvenience. This upgrade will help us provide even better service! 


The Municipal Library Catalog allows you to search for publications from the 17th century to the present. You will see title, author, date of publication and other information. The publications cannot be accessed through the catalog. The material is available in the Rebecca Rankin Reading Room.  Please contact us with your questions.

Reference Assistance

Library staff can provide assistance via e-mail.
You can also e-mail the Municipal Library via the Contact Us form.

Collection highlights include:

  • Annual Reports - published by city agencies, 19th century to the present
  • Biographical Files - a handy resource of information about local officials
  • Executive Orders, Local Laws. City Charters - resources for legislative intent research

Municipal Library Notes

Subscribe to the Municipal Library Notes to receive our quarterly newsletter. Previous Municipal Library Notes are available here.