Coalition for Property Rights (CPR) - A grassroots organization made up of citizens concerned about the erosion of property rights in the US. Has a particular emphasis on Florida.
International Union of Property Owners (UIPI) - The International Union defending private real estate property rights worldwide, with members from more than 20 European countries, established in 1923.
Kitsap Alliance of Property Owners - A property owners group in Kitsap County, Washington, opposing unreasonable government regulation of private property.
Liberty Matters - Established by three regional property rights organizations to advance the grassroots property rights movement in America; works closely with conservative and libertarian think tanks.