A skid-steer-loader flattens the land for a new single-family detached home being built by Lennar at the Aria at West Creek development in Santa Clarita, Calif., on Thursday, March 15, 2012. (AP Photo/Damian Dovarganes)

Photo by: Damian Dovarganes

A skid-steer-loader flattens the land for a new single-family detached home being built by Lennar at the Aria at West Creek development in Santa Clarita, Calif., on Thursday, March 15, 2012. (AP Photo/Damian Dovarganes)