Malahat Mostashari helps you buy or sell a home in Walnut Creek, CA! Other areas include: Concord, Pleasant Hill, Danville, Alamo, Martinez, Clayton, Pleasanton. Primary zip codes: 94526, 94596, 94597, 94598, 94523, 94506, 94507, 94566, 94568, 94588, 94517, 94521, 94518, 94553