Courthouses in Havana, Illinois, the US. Courthouses locations in Havana, Illinois. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School University All courthouses in Havana Mason County Court Room Courthouse +1 309-543-3634 125 North Plum Street # 6, Havana, Illinois 62644 Write a review Phone Website Directions