Description of Categories. Four categories of resources are identified and classified A through D.
Category A: This category is reserved for those structures, buildings, sites, or objects of major significance. The resource must meet one or more of the following criteria:
It is the site of, or reflects special elements or events of the City’s cultural, social, economic, political, aesthetic, engineering or architectural history; or
It is associated with persons or events important in regional, State or national history; or
It is a rare or particularly fine example of a certain architectural style or construction technique associated with a particular period of history; or
It is the work or an architect, engineer, or designer who has substantially influenced regional, State, or national trends or the development of the North County region; or
Owing to its unique location or singular physical characteristics, it represents an established feature of the neighborhood or City whose removal would adversely affect the appearance or spatial and design relationships of the area.
Category B: Structures, buildings, sites, or objects in this category must have one of the following characteristics:
It is associated with important persons, events, or eras in the City, regional, or State history;
Its original design, architecture, aspect or function of the resource is significant but has been altered, affecting its integrity;
It is a good (but not rare or particularly outstanding) example of certain style or construction technique, or of the work of a prominent architect, engineer, or designer.
Category C: Structures, buildings, sites, or objects in this category must have one of the following characteristics:
It is a good example of a period of architecture design or construction; however, the design is more commonplace and there are many similar structures, buildings, sites or objects in the City;
It is an important resource; however, substantial alterations have severely compromised its historic, cultural, or architectural significance.
Category D: Structures, buildings, sites, or objects in this category are:
Built prior to 1940, and clearly not significant in terms of architectural style, appearance, design, construction, or association with important persons or events in City history.