To have standing, one must be "aggrieved," meaning the party must show that it (or one of its members, if an association) has an interest that is substantial, direct, and immediate, and not merely an interest common to all citizens.
Armstead v. Zoning Bd. of Adjustment of Phila. & Phila., 115 A.3d 390 (Pa. Commw. Ct. 2015).
Thirty-day appeal period for zoning permits is tolled where appellant alleges and proves that he had no notice, knowledge or reason to believe that the permit had been issued.
In re Appeal of Broad Mt. Dev. Co., LLC from the Decision of the Butler Twp. Zoning Hearing Bd., 17 A.3d 434 (Pa. Commw. Ct. 2011).
Mandamus action only available where party is clearly entitled to a permit.
Orange Stones Co. v. City of Reading, 32 A.3d 287 (Pa. Commw. Ct. 2011).
Res judicata barred issues previously litigated by the same property owner for the same property
Callowhill Ctr. Assocs., LLC v. Zoning Bd. of Adjustment, 2 A.3d 802 (Pa. Commw. Ct. 2010).