Patterson, California
Patterson Gardens and Walker Ranch were developed by Keystone, totaling 2,700-single-family lots in the two residential subdivisions, a 20-acre retail site for a super Walmart, a school, and a recreation center. Keystone Corporation developed all the required infrastructure for this project and sold the lots to the following national and regional home builders: Grupe, John Laing Homes, Jonathan Homes, Lyon Homes, Morrison Homes, Ryland Homes and Shea Homes.