A partition action enables you to force the sale of property when coowners are refusing to sell. A partition action is a legal mechanism commonly used when two or more coowners of a property cannot agree on what to do with the property.A partition action provides a remedy to any person or entity who coowns property with another (not in the form of an LLC or partnership) How does a partition action work? I am a tenant in common in a property and I have been considering doing a partition. action. Wondering how to win a partition action? We explain what happens, what you can expect, and where you can find support.