Sedgwick County Extension Building Posted on December 29, 2019 by Show Submitter Loading Map.... Sedgwick County Extension Building7001 W. 21st. Street N - WichitaEvents 37.722401 -97.425009 Address 7001 W. 21st. Street N Wichita KS Great Plains Judging Center 67208 United States Upcoming Events No events in this location