Office Hours | Holiday Schedule |
| Columbia County Courthouse Monday through Friday 8:30 a.m. - 5:30 p.m. | New Year's Day January 1 |
| Columbia County Administration (John Gumm Building) Monday through Friday 8:30 a.m. - 5:30 p.m. | Martin Luther King Jr's Birthday third Monday of January |
| CC Rider Monday through Friday 6:30 a.m. - 6:30 p.m. | President's Day third Monday of February |
| State Court Public Counter Monday through Thursday 8:30 a.m. - 4:45 p.m. | Memorial Day last Monday of May |
| Fairgrounds Monday through Friday 9:00 a.m. - 3:00 p.m. | Independence Day July 4 |
| Public Works Monday through Friday 7:30 a.m. - 4:00 p.m. | Labor Day first Monday of September |
| Veterans Day November 11 | |
| Thanksgiving Day and the following Day fourth Thursday and Friday of November | |
| Christmas Day December 25 | |