The owner of a designated historic property, landmark, structure, area or site, or property, landmark, structure, area or site within a designated historic district, shall not permit such property, landmark, building, structure, area or site 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 judgment of the commission, a detrimental effect upon the character of the district as a whole, or upon the life and character of a building, structure, site or landmark. This shall include:
A. All of the exterior portions of such buildings, landmarks, structures, areas or sites.
B. All interior portions thereof which, if not maintained, may cause or tend to cause the exterior portions of such buildings, landmarks or structures to deteriorate, decay or become damaged or otherwise fall into a state of disrepair. (Ord. 157, 10-24-1989; amd. Ord. 391, 5-8-2001)