San Bruno, California, is a small city located in San Mateo County, just south of San Francisco. It is known for its residential neighborhoods, parks, and proximity to San Francisco International Airport. The city has a diverse population and offers various amenities, including shopping centers and recreational facilities. The city is home to the San Bruno Mountain State Park, which provides hiking trails and scenic views of the Bay Area. San Bruno also features a vibrant downtown area with restaurants and local businesses, making it a convenient place for residents and visitors alike.