American Land Rights Association - A grassroots, non-profit private property rights/multiple-use advocacy organization.
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.
The National Association of Reversionary Property Owners (NARPO) - Opposes rail to trail conversions, with emphasis on cases in Kansas.
Property Rights Foundation of America - An advocacy group for private property rights. Political research, action alerts and analysis.
Property Rights Research - A coalition of US land and natural resource owners. Tracks coverage of the property rights issue.
Texas Landowner's Council - Information for protecting land owners rights in the state of Texas.
