Pappas v. Zoning Board of Adjustment

*151OPINION OF THE COURT

LARSEN, Justice.

The issue presented in this case is whether, according to Pennsylvania zoning law, the change in the use of property, to which a lawful nonconforming use has attached, from a sandwich shop/restaurant to a full service pizza restaurant constitutes the expansion of the nonconforming use rather than the abandonment of the nonconforming use for a new and different use.

Appellant, Christos Pappas, was a hot dog vendor in the City of Philadelphia for over forty years. On January 16, 1981, Pappas purchased the property and the building at 532 North 15th Street in…