To initiate a partition action in Pennsylvania, a co-owner must file a partition complaint at the Court of Common Pleas. Filing a Complaint: The first step involves one or more co-owners filing a partition action in the appropriate county court where the property is located.Forms. Applicable Laws and Information. You may find this information and these forms helpful when handling the estate of a deceased person. These sample forms may be useful when filing documents for the civil and family courts. If you have any questions, consult an attorney. In a partition in kind (also called a physical partition), the property is physically divided in half and each party gets an equal share. Phase 1 of the partition process is where the Court is asked to determine all of the basic facts surrounding the disputed property itself. The Court of Common Pleas of Allegheny County (Fifth Judicial District) consists of the following divisions:. Are partition can result in a subdivision of property.