A partition action enables you to force the sale of property when coowners are refusing to sell. Welcome to Washington State Courts.Third parties may deal with one tenant in common with respect to the commonly owned property without having to notify the other cotenants. This webpage provides an example divorce settlement agreement for matters in Washington State (WA). A property settlement agreement becomes a legally binding part of the final judgment when your marriage is officially dissolved. A partition action in the State of Washington is a type of real estate lawsuit filed in the Superior Court of the county where the disputed property is located.