Walnut Grove Walnut Grove is a major subdivision near the border of Walnut Creek, CA; close to shopping, a BART station, and many other amenities that make this secluded development special. View and/or Download our Environmental Plan here. Current ProjectsFair Drive Homes Live Oaks Estates Berrywood Drive Walnut Grove Past ProjectsResidential Construction Damonte Ranch Stonebrook Heinz Ranch Bel Marin Keys