ASHTABULA COUNTY
County seat: Jefferson
The courthouse is at 25 West Jefferson St. in Jefferson. It houses the Ashtabula County Court of Common Pleas and its juvenile and probate divisions.
Court of common pleas
County courts
Municipal courts
Free civil legal help
Which legal aid program covers an address in Ashtabula 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.