Courthouses in Owasso, Oklahoma, the US. Courthouses locations in Owasso, Oklahoma. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School Travel All courthouses in Owasso Municipal Court Clerk Courthouse +1 918-376-1550 200 South Main Street, Owasso, Oklahoma 74055 Write a review Phone Website Directions