We have provided free online forms for partition actions that should only be used in conjunction with a partition attorney in California. You will need to download Adobe Acrobat Reader from Adobe's website.The document is a partition agreement between two parties to terminate their community ownership of a parcel of land and divide it between them. Solving Joint Ownership Problems in San Bernardino. A partition action enables you to force the sale of property when coowners are refusing to sell. First Step of Partition: Filing a Complaint​​ The first step to a partition action is to petition the court for a partition of the property. This instrument relates to a PARTITION AGREEMENT of a parcel of land subdivided into _________________ lots and consists of THREE (3) pages including this page. Super Lawyers Rated Partition Attorneys in San Bernardino. Ending Co-Ownership Disputes in San Bernardino County. Western San Bernardino County Bar Association.