Most federal takings claims against state and local government do not get heard in federal court (except to dismiss them on res judicata grounds), under the one-two punch of Williamson County and San Remo Hotel.
Williamson County forces property owners into state court because a claim under the Fifth Amendment is not ripe until the state has denied compensation, which includes pursuit of a state law takings claim in state court, while San Remo Hotel penalizes a property owner for pursuing a state law claim in state court by concluding that she will unwillingly litigate her federal takings claim in the course of litigating her state law takings claim, thus, when her federal claim has been ripened by the visit to state court, the preclusion doctrines kick in to prevent her from raising it in federal court.
All of this presumes that the state law of whatever jurisdiction
