Shadelands Self Storage Share: Self StorageStorage WarehousesShadelands Shadelands Self Storage Visit Website Request Info 1925 Oak Grove Rd. Walnut Creek, CA 94598 (925) 935-6200 (925) 932-4931 (fax) About Map About Self Storage Facility. The newest and largest combined self-storage, truck rental and moving supplies company in Walnut Creek and Contra Costa County. What's Nearby? Distance: 5 10 15 20 25 50 mi.