San Marino doesn’t try to impress—it just quietly does. Anchored by the Huntington Library, Art Museum, and Botanical Gardens, this is one of the most prestigious zip codes in SoCal, with median home prices around ~$2.5M+ . Schools are elite, crime is low, and neighbors are… let’s just say very accomplished. Highly educated and affluent residents dominate the demographic . If Arcadia is flashy success, San Marino is generational wealth in a cashmere sweater.