Mercer County Pennsylvania Court Courts of Common Pleas Magisterial District Courts Courts of Common Pleas in Mercer County Mercer County Court of Common Pleas – Clerk of Courts (Criminal)112 Mercer County Courthouse, Mercer, PA 16137Phone: 724-662-3800 ext. 2248Fax: 724-662-1604 Mercer County Court of Common Pleas – Prothonotary (Civil)105 Mercer County Courthouse, Mercer, PA 16137Phone: 724-662-7561Fax: 724-662-2021 Mercer County Orphans’ Court112 Mercer County Courthouse, Mercer, PA 16137Phone: 724-662-3800 ext. 2248Fax: 724-662-1604 Magisterial District Courts in Mercer County Mercer County Magisterial District Court 35-2-011217 Hall Ave, Sharon, PA 16146Phone: 724-346-6541Fax: 724-346-5090 Mercer County Magisterial District Court 35-2-02425 Idaho St, Farrell, PA 16121Phone: 724-346-3591Fax: 724-346-4798 Mercer County Magisterial District Court 35-3-01123 W Market St, Mercer, PA 16137Phone: 724-662-5230Fax: 724-662-1725 Mercer County Magisterial District Court 35-3-02574 Barkeyville Rd, Grove City, PA 16127Phone: 724-458-4931Fax: 724-458-5415 Mercer County Magisterial District Court 35-3-0314 N Race St, #1, Greenville, PA 16125Phone: 724-588-3210Fax: 724-588-4136