Prehistoric cultural affiliation(s) include Kumeyaay, La Jolla and San Dieguito dating back to 1950.
The famous person Jonathan Trumbull Warner is associated with one of more of the San Diego County historic places.
Some of the country's most noteable architects helped create the San Diego County places including Frederick A. Church, Thomas Frank Prior, W.A. Stratton, Walter Dorwin Teague, Santa Fe Railroad, Norman Foote Marsh, Richard Greisser, William H. Wheeler, Wurster Construction Co. et al. and Robert Hellman. Prominent architectural styles found in San Diego Country are Mission/Spanish Revival, Classical Revival and Italianate.