How do I file a partition action? Solving Joint Ownership Problems in Contra Costa County.Forms ; ADOPT-230, Adoption Expenses ; ADOPT-310, Contact After Adoption Agreement ; ADOPT-315, Request to: Enforce, Change, End Contact After Adoption Agreement. Super Lawyers Rated Partition Attorneys in Walnut Creek. Ending Co-Ownership Disputes in Contra Costa County. The following is a list of some documents that may be recorded if they meet all requirements, and a description or definition of each document. This Roadmap is a guide to aid in completing the paperwork for a divorce. Professional representation in joint ownership matters.