In any district which is or shall become built up or developed to such degree that preservation or maintenance of its particular character or general harmony of design carries special value to the general public, or bears substantially upon the economic well-being or the people of the district and the City, no building or structure shall be erected, nor any existing building or structure altered, the appearance of which upon completion of the work shall detract materially from that special value or economic well-being; provided, that this section shall not apply to any case where the weight of the restraint upon private ownership is shown to be greater than the benefit to the public of its enforcement.
(Ord. 2046, passed 4-11-1968)