Cache County Courthouse ADDRESS & CONTACT Address 199 North Main Street, Logan, UT 84321 GPS 41.734804683458, -111.83516487479 Telephone 435-755-1850 Web Visit Our Website Plan My Route This building was built in 1883, designed by Truman O. Angell, Jr., who also designed the Logan Tabernacle and the Logan Temple. It is the oldest county building in Utah still being used for its original purpose. LOCATION ON MAP Plan My Route Home » Things To Do » Heritage Sites » Cache County Courthouse NEW SEARCH