The neighborhood was developed after 1919, with a new campus of the University of California opened in 1926. Other attractions include Westwood Village, with its historic motion picture theaters, restaurants and shopping, Westwood Village Memorial Park Cemetery and the Hammer Museum. Holmby Hills is considered one of the wealthiest residential areas in Los Angeles, and the Geffen Playhouse attracts theater-goers.  The community is also known for it's three highly-rated public elementary schools (Warner Ave., Fairburn Ave. and Westwood Charter)

Much of residential Westwood was developed in the 1930s and 1940s by the Janns Company, among other builders.  Many of these homes are renowned for their Spanish Revival architecture.  Over the years, many of the have been remodeled, expanded or rebuilt resulting in a wider varitey of sizes, scales and architectural styles.  Most recently developers have created some massive manor-scale homes.  The lot sizes in Westwood range from 5,000-15,000 square feet however, the majority of lots range between 6-8K square feet.

Neighborhoods within Westwood include: Comstock Hills, Westwood Hills and Little Holmby.