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Take a break from your studies and join us for lunch! Free pizza will be provided while supplies last and you will have the chance to share your ideas for future events at O’Connell! If you have any dietary restrictions, please call the branch by Monday, Nov 24, 2025 at (617) 349-4019. This is a drop-in event designed for patrons ages 12-18. No registration required.

The City of Cambridge wants to know how Cambridge residents feel about the COVID-19 vaccine and what questions or concerns you may have to help us communicate important information more clearly to you and your community. Your answers will help the City plan how to share information with residents to help encourage everyone to get vaccinated.

Engine 5, Ladder 2, and Squad 4 participated in the 2022 Danehy Park Day event on a perfect weather Saturday

Cambridge Cooks, Read to a Dog, Boston Festival Orchestra, and Much More!

In observance of the Presidents' Day Holiday on Monday, February 16, City of Cambridge offices, libraries, and senior centers will be closed, and payments will not be required at parking meters and parking pay stations

In observance of the Presidents' Day Holiday on Monday, February 16, City of Cambridge offices, libraries, and senior centers will be closed, and payments will not be required at parking meters and parking pay stations.

We invite children and their grown-ups to join us for a magical walk through nature. We will look for signs of fairies and build fairy houses. We will meet at Gerard Bergin Park (Haskell & Pemberton Streets), a short walk from the O'Neill Branch. In case of bad weather, this program will happen indoors at the O'Neill Branch. This program is presented as a part of the CPL Nature Club.

The Cambridge Historical Commission (CHC) is the city's historic preservation agency and seeks to preserve the integrity and diversity of Cambridge's built environment and to disseminate information about its history.

This multifaceted, multicultural event makes science accessible, interactive and fun, highlighting the impact of STEAM in all our lives.

Cambridge City Manager Yi-An Huang is seeking Cambridge residents interested in serving on the Police Review & Advisory Board. Made up of volunteer members, the Board serves as a fair and impartial body that provides oversight of the Cambridge Police Department.