State Action Requirement

Constitutional claims require state action unless private conduct is traditionally exclusive public function or entwinement applies.

Related State Action & Takings rules

• Takings Clause: Regulatory TakingsRegulations that go too far in diminishing property value may constitute takings requiring just compensation.
• Exactions & MitigationExactions must have an essential nexus and rough proportionality to the development’s impacts.
• Public Use RequirementTakings are valid if rationally related to a conceivable public purpose.

Part of Constitutional Law on Core Legal Rules — foundational MBE-tested principles with primary-source citations.