Hours & Locations

Note: All Cambridge Public Library Locations will close at 5:00 p.m. on Wednesday, November 24 and remain closed Thursday, November 25 and Friday, November 26.

You're never far from a branch and all the services the Cambridge Public Library has to offer. All locations are accessible by public transportation. Click here for transit options near your branch.


  • Main Library

    449 Broadway 02138 | 617-349-4040 | Monday 9 a.m.-9 p.m.| Tuesday, Wednesday, Thursday 9 a.m.-9 p.m. | Friday, Saturday 9 a.m.-5 p.m. | Sunday 1 p.m.-5 p.m. | Book drop open 24/7

  • The Hive

    Sunday & Monday closed | Tuesday 10 a.m-5 p.m | Wednesday 1-9 p.m. | Thursday 1-9 p.m. | Friday 1-5 p.m. | Saturday 11 a.m.-3 p.m. | call 857-235-9819 for assistance

  • Children's Room

    Monday 9 a.m.-7 p.m. | Tuesday, Wednesday, Thursday 9 a.m.-7 p.m. | Friday, Saturday 9 a.m.-5 p.m. | Sunday 1 p.m.-5 p.m. | call 617-349-4038 for assistance

  • Teen Room

    Monday through Sunday 1 p.m.-5 p.m. | call 617-349-4027 for assistance

  • Cambridge Room

    Monday 5 p.m.-9 p.m. | Tuesday 9 a.m.-1 p.m. | Wednesday 1 p.m.-5 p.m. | Thursday 9 a.m.-1 p.m. and by appointment | call 617-349-7757 for assistance

  • Boudreau Branch

    245 Concord Ave. 02138 | 617-349-4017 | Temporarily closed | Book drop temporarily unavailable

  • Central Square Branch

    45 Pearl St. | 617-349-4010 | Monday 10 a.m.-6 p.m. | Tuesday 10 a.m.-9 p.m. | Wednesday 10 a.m.-6 p.m. | Thursday 10 a.m.-9 p.m. | Friday 10 a.m.-6 p.m. | Saturday 10 a.m.-2 p.m. | Tuesday and Thursday Children's Room 10 a.m.-6 p.m. | Book drop open 24/7

  • Collins Branch

    64 Aberdeen Ave. 02138 | 617-349-4021 | Monday, Tuesday 10 a.m.-6 p.m. | Friday 10 a.m.-6 p.m. | Book drop open 24/7

  • O'Connell Branch

    48 Sixth St. 02141 | 617-349-4019 | Monday 10a.m.-6p.m. | Thursday 10a.m.-8p.m. | Friday 10a.m.-6p.m.| Book drop open 24/7

  • O'Neill Branch

    70 Rindge Ave. 02140 | 617-349-4023 | Monday 10 a.m.-8 p.m. | Tuesday closed | Wednesday 10 a.m.-8 p.m. | Thursday, Friday 10 a.m.-6 p.m. | Saturday closed | Book drop open 24/7

  • Valente Branch

    826 Cambridge St. 02141 | 617-349-4015 | Monday 10 a.m.-8 p.m. | Tuesday 10 a.m.-6 p.m. | Wednesday 10 a.m.-8 p.m. | Thursday 10 a.m.-6 p.m. | Book drop open 24/7

  • Holidays

    See when the Main and Branch libraries are closed.


Map of Locations