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Public-images-osm logo.svg park:ownership
3015-Central Park-Sheep Meadow.JPG
Park ownership describes the type of entity that owns the park.
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should not be used on nodesshould not be used on waysmay be used on areasmay be used on relations
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For publicly accessible lands, OSM needs to indicate what type of organization owns a parcel of public land. This tag is proposed to be used in conjuction with leisure=park, leisure=nature_reserve, boundary=national_park, and boundary=protected_area . Values in the table below list possible categories of land ownership.

Key Value Element Description Example
park:ownership public area relation A park owned by a government entity, such as a country, state or province, or municipality. This tag is paired with the appropriate park:public_level=* to indicate which specific government (local, state, national, etc) is the owner.
A state park in Pennsylvania, USA
park:ownership private area relation A park owned by a private entity, such as a company or homeowner's association. For this type of park, the owner is voluntarily allowing the land to be used as a park, but can revoke that usage at anytime. The private owner may or may not be limiting access, operating the park for a profit, or charging a fee.
Grammarcy Park, a private park in New York City
park:ownership conservation_organization area relation A park owned by a (usually nonprofit) organization dedicated to land conservation. Common examples in the United States include the Audobon Society and The Nature Conservancy.
A public trail managed by The Nature Conservancy, a conservation organization
park:ownership easement area relation An easement is a legal agreement from a landowner that legally limits uses of the land in order to protect its conservation values. This is different from private ownership as described above in that the landowner is legally bound to maintain the land's conservation status.
A conservation easement
park:ownership land_trust area relation A land trust is a special category of nonprofit corporation that develops and stewards community assets, typically on behalf of a community. These private corporations are typically organized as a non-profit and focus on a specific locality. A land trust is often a quasi-governmental organization in that, it may be formed by, have a special relationship with, or have their members appointed by a government entity.
Hawaiian Islands Land Trust

Additionally mappers can use:

  • owner=* to store which entity (company, government, organization...) owns the object
  • operator=* for the entity (company, government, organization...) which operates the object.

Related concepts:

  • Park ownership is separate from whether or not the park charges a fee for entry. If a fee is charged, the appropriate fee=* tagging should be used. Some areas are free to walk into while driving in incurs a fee.
  • While public parks are generally open to the public, other types of parks may not be. Where appropriate, access=* can be used to tag park access restrictions.