Monmouth County Library Branch Locations are closed on the following days for 2021.
| Friday, January 1 | New Year’s Day |
| Monday, January 18 | Martin Luther King’s Birthday |
| Monday, February 15 | President’s Day |
| Friday, April 2 | Good Friday |
| Sunday, April 4 | Easter |
| Sunday, May 9 | Mother’s Day |
| Sunday, May 30 | Memorial Day, Observed |
| Monday, May 31 | Memorial Day |
| Sunday, June 20 | Father’s Day |
| Sunday, July 4 | Independence Day |
| Monday, July 5 | Independence Day, Observed |
| Monday, September 6 | Labor Day |
| Monday, October 11 | Columbus Day |
| Tuesday, November 2 | Election Day* |
| Thursday, November 11 | Veterans Day |
| Thursday, November 25 | Thanksgiving Day |
| Friday, November 26 | Day After Thanksgiving |
| Friday, December 24 | Christmas Day, Observed |
| Saturday, December 25 | Christmas |
| Sunday, December 26 | Day After Christmas |
*Some branches are designated as poll places; only accessible for voting only.
2021 Early Closures
| Wednesday, November 24 – 5:00 pm | Thanksgiving Eve |
Headquarters and Eastern Branch Sunday Summer Closures: Sunday, June 20, 2021-Sunday, September 5, 2021
