train station. Gaining official possession of the land in 1998 and then improvements began in 1999, on the 634-acre (257 ha) existing campus-style facility, primarily one to two-story buildings organized around three primary quads. In 2007, the campus acquired an additional 153 acres (62 ha). Many of the buildings are in the Mission Revival and Spanish Colonial Revival architectural styles, although there are a few "modern" buildings. The campus is split into two primary sections: North Quad and South Quad. In 2012, Del Norte and Madera halls were opened in the North Quad; some of the buildings in the North Quad are still uninhabited and unsafe due to age, which became CSU Channel Islands University Park located adjacent to the campus.
=== North Quad ===
Development on the North Quad includes the 2012 Del Norte classroom building and Madera Hall, which primarily houses faculty. Solano Hall and the Grand and Petit salons received additional renovations in 2012 and 2019, and house offices, classrooms, and a conference …
