HAMILTON COUNTY
County seat: Cincinnati
The courthouse is at 1000 Main St. in Cincinnati. It houses the Hamilton County Court of Common Pleas, Hamilton County Municipal Court and the county law library.
Court of common pleas
Municipal courts
Free civil legal help
Which legal aid program covers an address in Hamilton County is answered by Alliance of Ohio Legal Aids, in the directory with the other statewide offices.
Read off Supreme Court of Ohio, Find Ohio Trial Courts & Local Rules and Supreme Court of Ohio, Ohio Courthouses on 13 October 2026. A list, not a referral: which court hears a case is set by statute and by each court’s own rules.