Knox County marriage license — office, fees & hours
How to get a marriage license in Knox County, Ohio: the issuing office, its address, phone and hours, the current fees, and how applying in person works.
Where to apply in Knox County
| Office | Knox County Probate Court |
|---|---|
| Address | 111 E. High St. Mt. Vernon 43050 |
| Phone | (740) 393-6798 |
| Office hours | Monday - Friday 8:00am - 4:00pm. |
| Website | https://knoxpjcourt.com/ |
Good to know
Knox County couples apply at the Knox County Probate Court. The office is at 111 E. High St., Mt. Vernon, OH 43050. Listed office hours: Monday - Friday 8:00am - 4:00pm. Both parties must appear together and the completed license is good for 60 days; call (740) 393-6798 to check the day's cut-off time.
How the process works
Both people appear together in person with valid government photo ID. Ohio marriage licenses are issued by the probate court in the county where either applicant lives, and a license is valid for 60 days with no waiting period. Confirm anything time-sensitive with Knox County Probate Court before you travel, because office hours and fees can change.
Questions people ask
Where do I get a marriage license in Knox County?
In person at the Knox County Probate Court, 111 E. High St. (Mt. Vernon, OH 43050).
What are the Knox County Probate Court hours?
Monday - Friday 8:00am - 4:00pm.
Other Ohio counties
Directory last checked 2026-10-24. Office details are gathered from official county sources — always confirm current hours and fees before visiting.