We have provided free online forms for partition actions that should only be used in conjunction with a partition attorney in California. Below is a form complaint for partition in California that is intended to be used in consultation with a real estate attorney.Learn about partition action, types, and the legal process involved in dividing real property among coowners. The following are the stages in a California partition action: 1- Employ an accomplished real estate attorney. Solving Joint Ownership Problems in Riverside. A partition action enables you to force the sale of property when coowners are refusing to sell.