[1] The airport covers 1,300 acres (5.3 km2) and has two runways and one helipad: On September 3, 1942, construction began on the Airfield, to be used as a Marine Corps Bomber Base.

Southwest Airways changed its name to Pacific Air Lines which later served Paso Robles with Fairchild F-27s to Los Angeles, San Francisco and other California cities.

Pacific, Air West and Hughes Airwest all listed San Luis Obispo in their timetables as being served via the Paso Robles Airport.

[7] Passenger flights returned to Paso Robles when SkyWest Airlines (Delta Connection) established a base at the airfield flying Embraer EMB-120 Brasilias and Fairchild Swearingen Metroliners to several California cities including Los Angeles, San Francisco and Fresno.

The California Highway Patrol (CHP) Air Operations Division house a fixed wing aircraft, used for speed enforcement, as well as a helicopter, used for search and rescue missions.

On June 8, 2014, the US Air Force landed a C-17 Globemaster III at the field, proving that it can support military transport to and from Camp Roberts, some 15 miles (24 km) away.

Today, there is just over 500,000 square feet (46,000 m2) of industrial building space in operation at the airport, now housing nearly 50 individual businesses, and providing over 700 jobs in the community.