The first step is to obtain a map number. One spouse or both spouses must have resided in California for a minimum of six months before filling a petition for dissolution.Solving Joint Ownership Problems in Riverside. Contact an experienced Riverside property division attorney at the Law Offices of Catherine A. Schwartz today to schedule a free consult. 951-338-6147. Official Website for Riverside County California Clerk Recorders Office. Under California's Partition of Real Property Act, a co-owner will have a right to buyout the property. By completing this form, the court can determine how to divide the property and assets between the parties. Property division;; Debt allocation; and; Attorney fees. For assistance on completing this form, please watch our video. Divorce mediation is an effective way to achieve a divorce agreement quickly and comprehensively.