Click to open a special announcement regarding the 2020 reappraisal values now available on our website.


In lieu of mailing value change notices for the Reappraisal, please click on the link above.

If there was New Construction, Destruction/CAUV Reviews/Split or Combine for 2020 we will be mailing those letters to taxpayers.

Welcome to the Knox County Auditor's Real Estate Search Site!

To begin using the system, click on the Search link above, or simply use the QuickSearch feature at the top of the page.

Knox County Auditor

Contact Us

Knox County Auditor
117 East High Street, Suite 120
Mount Vernon, OH 43050

Real Estate 740-393-6747

Farm Program 740-393-6748

Exemption 740-393-6749

Main Number 740-393-6750

Fax 740-393-6806

Mon-Fri, 8:00AM-4:00PM

Tax Estimator

Try our Tax Estimator!


Real Estate Taxes Due:

  • 1st half due February 5th, 2021 (tentative)
  • 2nd half due July 9th, 2021

Manufactured Home Taxes Due:

  • 1st half due March 5th, 2021
  • 2nd half due August 6th, 2021

  • The conveyance fee in Knox County is currently $3.00 per thousand dollars of the sale price.