Greenbrae is a small community in Marin County, California. It is located 1.5 miles (2 km) south-southeast of downtown San Rafael, at an elevation of 33 feet (10 m), located adjacent to U.S. Route 101 at the opening of the Ross Valley. Part of Greenbrae is an unincorporated community of the county while the remaining area is inside the city limits of Larkspur. The ZIP code is 94904, and is shared with the neighboring CDP of Kentfield. The community is in area code 415.
Predominantly composed of hillside and waterfront terrain, its homes and offices are known for their views of the San Francisco Bay, Corte Madera Creek, and Mount Tamalpais. The developer of Greenbrae, Niels Schultz, Jr., died in early 2008. Greenbrae's neighborhoods are bordered by downtown Larkspur to the south, Larkspur Landing to the east, the unincorporated area of Kentfield to the west, and the city of San Rafael to the north. Straddling Sir Francis Drake Boulevard, its most frequented points of interest include Marin General Hospital and Bon Air Shopping Center.
Greenbrae was home to U.S. Senator Barbara Boxer for over 30 years, until 2006. Football coach Pete Carroll was raised in Greenbrae. Writer Jack Finney died in Greenbrae shortly after completing his last novel, as did Les Crane.
Director Don Siegal filmed the final scenes from the 1971 movie Dirty Harry on Greenbrae's East Sir Francis Drake Boulevard. After hijacking a school bus "Scorpio" (Andy Robinson) drives into East Sir Francis Drake Boulevard at the Greenbrae interchange. The final shootout scene in the 1971 film, was located on the old gravel mill (Hutchinson's Rock Quarry) that became what is now Larkspur Landing.