The Somerset County Library System is fortunate to have a number of active Friends of the Library groups who support various branch libraries. These groups are composed of citizens and library users who appreciate their libraries and show their support by raising money to fund special projects.

All of the Friends groups welcome new members! If you would like to learn more about a Friends group or become a member please contact one of the groups listed below.

Friends of the Hillsborough Library

379 South Branch Rd Hillsborough, NJ 08844

Sharon Gruber, President

Friends of the Manville Library


New members are always welcome! To join the Friends please complete a membership form and mail it to the Friends. For all other information about the Friends of the Library, email or visit the Friends on Facebook.

Friends of the Peapack & Gladstone Library

PO Box 369 Peapack, NJ 07977

Carol Lane, President

Friends of the Somerville Public Library

Please reach out to for more information

Friends of the Warren Township Public Library

42 Mountain Blvd Warren, NJ 07059


Donna Java, President

Friends of the Watchung Public Library

12 Stirling Road Watchung, NJ 07060

Macia Walsh, President

Friends of the Branchburg Library

PO Box 742 Neshanic Station, NJ 08853


Friends of the Washington Valley Library

PO Box 577 Martinsville, NJ 08836