Courthouses in Plattsburg, Missouri, the US. Courthouses locations in Plattsburg, Missouri. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Insurance Lawyer Real estate School Travel All courthouses in Plattsburg Clinton County Circuit Court Courthouse +1 816-539-3731 207 North Main Street, Plattsburg, Missouri 64477 Write a review Phone Website Directions