Md. Code, State Government § 9-2608
§9–2608.
(a) Except as provided in subsection (b) of this section, the Corporation is not required to pay taxes or assessments on its:
(1) properties;
(2) activities; or
(3) revenue derived from its properties or activities.
(b) If the Corporation sells or leases land or facilities to a private entity, the land or facilities shall be subject to real property taxes.