Klamath County Circuit Court is located at 316 Main Street, Klamath Falls, Oregon 97601. Telephone: 541-883-5503. Courthouse Hours: Monday-Thursday 8am-5pm, Friday 9am-5pm. Clerk's office closed 12pm-

Klamath County Circuit Court is located at 316 Main Street, Klamath Falls, Oregon 97601. Telephone: 541-883-5503. Courthouse Hours: Monday-Thursday 8am-5pm, Friday 9am-5pm. Clerk's office closed 12pm-1pm. ADA Coordinator: Fawna Anderson. Trial Court Administrator: John Powell. The Klamath County Courthouse was completed in 1998; replacing the old courthouse that was demolished following the 1993 earthquake. Visitors to the courthouse will be required to pass through a security screening station when entering the building.