Prehistoric cultural affiliation(s) include Northern Paiute, Great Basin Archaic, Late Prehistoric, Wadatkut and Honey Lake Paiute dating back to 0.
The famous person Isaac N. Roop is associated with one of more of the Lassen County historic places.
Some of the country's most noteable architects helped create the Lassen County places including James L. McLaughlin and George C. Sellon. Prominent architectural styles found in Lassen Country are Classical Revival.