(A) All buildings or structures which have been designated historic Landmarks or which are within a designated Historic District, whether owned or controlled privately or by any public entity, shall receive reasonable care, maintenance, and upkeep appropriate for the preservation, protection, perpetuation, or use thereof in conformity with the purposes and requirements of this subchapter. Neither the owner nor the occupant of a building or structure which has been designated a historic Landmark or which lies within a designated Historic District shall permit the building or structure to fall into a state of disrepair which may result in the deterioration of any exterior appurtenance or architectural feature so as to produce, or tend to produce in the reasonable judgment of the Historic Preservation Commission, a detrimental effect upon the character or life of the structure or building in question, or in the character of the Historic District, as the case may be, including but not necessarily limited to the following:
(1) The deterioration of exterior walls or other vertical supports;
(2) The deterioration of the roofs or other horizontal members;
(3) The deterioration of external chimneys;
(4) The deterioration or crumbling of exterior plaster, mortar, brickwork, or stone;
(5) The ineffective waterproofing of exterior walls, roofs, and foundations, including broken windows or doors, and ineffective or insufficient paint or other waterproofing to any exterior features; and/or
(6) The deterioration of any feature so as to create or permit the creation of any hazardous or unsafe condition or conditions.
(B) Any violation of this section shall subject the property owner to the penalties set forth hereinafter.