John O. Rocca founded John O. Rocca Construction in 1969 and has been an active member of the Southern California residential building industry since 1971. In 1986, Mr. Rocca founded JOR Development, Inc. JOR Development, a privately-held general construction company, is a leading custom residential homebuilder with a solid reputation for providing architectural innovation, quality craftsmanship, and superior customer service to all the homes constructed. Our approach to customer satisfaction is simple - we emphasize service and quality control using the philosophy that everyone deserves to be treated as they are part of the JOR Development family.