(A) Criteria.
A structure, group of structures, property, site of district or neighborhood may be designated that of historic importance if it meets one or more of the following criteria:
(1) Historic and Cultural Importance.
(a) Built more than fifty (50) years ago and has significant character, interest or value as part of the development, heritage.
(b) Is the site of an historic event with a significant effect upon society.
(c) Exemplified the cultural, political, economic, social or historic heritage of the community.
(2) Architectural, Engineering Importance.
(a) Portrays the environment in an era of history characterized by a distinctive architectural style.
(b) Embodies those distinguishing characteristics of an architectural type or engineering specimen.
(c) Is the work of a designer whose individual work has significantly influenced the development of Dillon.
(d) Contains elements of design, detail, materials or craftsmanship which represent significant innovation.
(3) Geographical Importance.
(a) By being part of or related to a square, park or other distinctive area, should be developed or preserved according to a plan based on an historic, cultural or architectural motif.
(b) Owing to its unique location or singular physical characteristic represents an established and familiar feature of the neighborhood, community.
(4) Archeological Importance.
Has yielded or may be likely to yield information important in pre-history or history.
(B) Classifications.
(1) Dillon Historic.
An area may be designated as a "Dillon Historic Commercial or Residential District" where it meets one (1) or more of the above criteria.
(2) Dillon Historic.
An area may be designated as a "Dillon Historic Neighborhood" where it meets one (1) or more of the above criteria and where the following two (2) criteria apply:
(a) There is a sizable number of properties in the subject area which are not considered to contribute to the architecture or historical significance of an area; and
(b) The cultural values or financial resources of a significant number of property owners in the subject area as reasonably considered by the Dillon City Council are such that flexible standards of the Dillon Historic Designation are appropriate. The flexible standards shall be outlined in the guidelines.
(3) Notable Properties.
Individual structures within the city limits may be designated as "notable properties." The Dillon City Council may designate structures as "notable properties" where it reasonably determines that those structures embody a particularly high degree of significance in accordance with the criteria listed above.
(4) Structures Built Prior to 1936.
Any structure within the city limits built prior to 1936 and meeting one (1) or more of the criteria above may be designated a "notable property" by the City Council.
(5) National Register of Properties.
All structures and districts listed on the National Register of Historic Places within the city limits.