Welcome to Johnston County Assessor Office!

Within this site you will find general information about the county and the ad valorem property tax system in Oklahoma, as well as information regarding specific properties within the district. Johnston County is responsible for appraising all real and business personal property within Johnston County. The district appraises property according to the Oklahoma Property Tax Code.

Johnston County Assessor is responsible for the fair market appraisal of properties within each of the following taxing entities. Additional responsibilities include change of address and public information requests.

Thanks for visiting with us and we hope you’ll find all the information you need right here on the site, but please don’t hesitate to email, call or come by – we’re here to help!

Contact Information
(580) 371-3465(580) 371-3465county35assessor@gmail.com
403 West Main, Suite 102
Tishomingo, OK 73460
Monday - Friday
8:30 a.m. - 4:30 p.m.

County Assessor
Guyla Hart