Also known as:public trusts · public trust doctrine
Written by attorneys · grounded in primary & secondary sources — see below
2 senses
1
constitutional law
A position of public responsibility or governmental office. The Constitution requires that all federal and state officers take an oath to support the Constitution before assuming any such position.
2
property law
A doctrine under which the state holds title to certain lands and waters, such as submerged lands and beaches, in trust for public use in navigation, fishing, and recreation. The doctrine prevents alienation of those resources in ways that impair public rights and persists even after private ownership claims arise.
Each sense below has its own examples, sources, and questions.
Sense 1
1
constitutional law
A position of public responsibility or governmental office. The Constitution requires that all federal and state officers take an oath to support the Constitution before assuming any such position.
Examples1
Oath Requirement for Office
Perry Pratt seeks appointment to a federal regulatory commission. The Senate confirms him but conditions the appointment on his taking the required oath. Pratt takes the oath to support the Constitution before assuming the position. The appointment is valid only because he has satisfied the constitutional requirement for any public trust.
Frequently Asked
Sense 2
2
property law
A doctrine under which the state holds title to certain lands and waters, such as submerged lands and beaches, in trust for public use in navigation, fishing, and recreation. The doctrine prevents alienation of those resources in ways that impair public rights and persists even after private ownership claims arise.
Examples5
Submerged Land Conveyance Limit
A state attempts to convey title to submerged coastal lands to a private developer for exclusive resort use. The court holds the conveyance invalid. The state holds the lands in public trust and cannot alienate them in a manner that impairs public navigation and fishing rights.
What does the Constitution mean by 'public Trust'?+
The phrase refers to any position of public responsibility or governmental office. Officers must take an oath to support the Constitution before assuming such a position.
Reitman v. Mulkey387 U.S. 369 (1967)
Public Beach Access Dispute
A municipality closes a portion of shoreline to private development that would block public passage. The court upholds access rights. The shore is held in public trust for recreation and the restriction preserves those rights without improper alienation.
Frisby v. Schultz487 U.S. 474 (1988)
Navigable Water Protection
A landowner seeks to fill shoreline wetlands for private construction. Regulators deny the permit to protect public rights. The court sustains the denial because the state holds the waters and adjacent lands in public trust for fishing and recreation.
Nollan v. California Coastal Commission483 U.S. 825, 834 (1987)
Wetland Filling Prohibition
Philip Powell owns shoreland property and seeks to fill wetlands to build a home. The county denies the permit under a shoreland zoning ordinance designed to protect navigable waters. The court upholds the denial because the state holds the waters and adjacent wetlands in public trust and may regulate to preserve them for fishing, recreation, and scenic beauty.
Just v. Marinette County201 N.W.2d 761 (Wis. 1972)
Public Waterway Preservation
A developer acquires title to former submerged lands and seeks to exclude all public entry. The court recognizes continuing public rights. Title remains subject to the public trust even after private acquisition, preserving navigation and recreation uses.
Poletown Neighborhood Council v. City of Detroit410 Mich. 616, 304 N.W.2d 455 (1981)
Frequently Asked2
How does the public trust doctrine limit private development?+
The doctrine prevents states from alienating submerged lands or beaches in ways that impair public rights to navigation, fishing, and recreation. Private owners take title subject to those continuing public rights.
Does the public trust doctrine apply only to tidal waters?+
No. Many states extend the doctrine to navigable freshwater lakes and rivers as well. The scope varies by state but always protects public rights in the covered resources.
483 U.S. 825, 834 (1987)Property
…parcel along the California coast would penalize the Commission for its flexibility, hampering the ability to fulfill its public trust mandate. The Court's demand for this precise fit is based on the assumption that private landowners in this case possess a reasonable expectation regarding the use of their land that the…