Solving Joint Ownership Problems in San Bernardino. Super Lawyers Rated Partition Attorneys in San Bernardino.Ending Co-Ownership Disputes in San Bernardino County. Your agreement needs to say that you both agree to end the marriage and what you agreed about property or spousal support. A partition action enables you to force the sale of property when coowners are refusing to sell. Partition agreements are commonly executed when spouses separate. Super Lawyers Rated Partition Attorneys in San Bernardino County. The Partition of Real Property Act (CCP §§ 874.311 – 874.321. The document is a partition agreement between two parties to terminate their community ownership of a parcel of land and divide it between them. Western San Bernardino County Bar Association.