You know the “amortization” doctrine: when an existing legal use is declared illegal, the government can avoid a takings claim by slowly phasing out the use, supposedly to allow the owner to recoup investment. The doctrine is established in Maryland by Grant v. Mayor and City Council of Baltimore, 129 A.2d 363 (Md. 1957), where the court held that amortization works if the time and uses allowed are reasonable.
Not all jurisdictions take that approach, however. For example, in Pennsylvania Northwest Distributors, Inc. v. Zoning Hearing Bd., 583 A.2d 1372 (Pa. 1991), the Pennsylvania court held “[a] lawful nonconforming use establishes in the property owner a vested property right which cannot be abrogated or destroyed, unless it is a nuisance, it is abandoned, or it is extinguished by eminent domain.”
In In re Mangisteab, No. 2022-93 (Dec. 20, 2022) (unpub.), the Appellate Court of Maryland (fka
Continue Reading Md App: If You Want To Overturn The Amortization Doctrine, Take It Upstairs



