Pre-Engineered Home Pictures Habitats is especially qualified to modify any of the over 36 pre-engineered plans from PMHI to fit your needs and lifestyle.. Habitats - Modified Lakeport without garage, Manton, CA. Modified Laguna, Shingletown, CA. Modified Plymouth, Lakehead, CA. Riverbend back, Palo Cedro, CA. Santa Fe, Shasta Lake City, CA.