Potomac Investment Associates, headed by Fred Maas, took the lead in master planning the properties that make up Black Mountain Ranch within the city of San Diego and 4S Ranch, in the ...

Nestled on a massive portion of land in Ventura County, the Black Mountain Ranch sits, awaiting a new owner in California. The huge property has landed on the market and comes with a hefty price ...

A 3,600-acre Ventura County working ranch is hitting the market for $100 million. Black Mountain Ranch is by far the county’s largest and most expensive listing, according to the Los Angeles Times.