There are currently half a dozen homes for sale in Piru, which can be seen on our Piru area website. Piru has a population of apx. 1750 people. Piru has a post office, an elementary school, a small downtown and about 500 homes. Since Piru is in the unincorporated area of Ventura County, you would want to contact the Ventura County Planning Division, Dennis Hawkins, a senior planner with the division. Bruce Smith is the manager of the General Plan section in the county Planning Division. There is a the Piru Neighborhood Council - The council is an advisory committee to the county's Board of Supervisors.
So, the county Planning Commission and the Board of Supervisors is your best source for future development questions: http://www.ventura.org/rma/planning/