Monmouth County Library Branch Locations are closed on the following days for 2023.
| Sunday, January 1 | New Year’s Day |
| Monday, January 2 | New Year’s Day, Observed |
| Monday, January 16 | Martin Luther King’s Birthday |
| Monday, February 20 | President’s Day |
| Friday, April 7 | Good Friday |
| Sunday, April 9 | Easter |
| Sunday, May 14 | Mother’s Day |
| Sunday, May 28 | Memorial Day, Observed |
| Monday, May 29 | Memorial Day |
| Sunday, June 18 | Father’s Day |
Headquarters and Eastern Branch Sunday Summer Closures: Sunday, June 18, 2023-Sunday, September 3, 2023
