MONTGOMERY COUNTY
County seat: Dayton
The courthouse is at 21 North Main St. in Dayton.
Court of common pleas
Municipal courts
Other courts
Free civil legal help
Which legal aid program covers an address in Montgomery 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.