Knox County Permits (Ohio)

The Knox County Clerk's Office maintains public records for a county, including vital documents like birth certificates and marriage licenses, as well as Knox County permits. Clerks in Knox County, Ohio may be responsible for filing and issuing county permits, including building permits, land use permits, access permits, utility permits, and special event permits. These permits may be required for installing or repairing septic systems, demonstrating that a building meets fire codes and other building codes, demolition, repairs, renovations, and adjusting boundary lines. They may also be required for temporary events, reserving public property, or a number of land development uses. The Knox County Clerk Office can provide information on how to apply for a Knox County permit or how to check if a permit is valid, and their permit information and records are usually available online.

Knox County Clerk Mount Vernon OH 117 East High Street 43050 740-393-6788


A Knox County Building Department creates and enforces building codes and zoning rules to ensure the construction of safe buildings. As part of their job, Building Departments in Knox County, Ohio issue and file building permits. These county permits may be required for renovations, demolition, repairs, land development, and installing or repairing septic systems. Knox County permits can show if a building meets fire codes and other building codes, which may be called a certificate of zoning compliance. These Knox County public records can be used to prove a building project has a valid permit or to look up building permit rules, apply for a permit, or see approved permits. Building Departments often provide online access to county permit information and records.

Knox County Planning Department Mount Vernon OH 117 East High Street 43050 740-393-6718