Filming is taking place near the Oceano Dunes.
Monday afternoon, production trucks with Warner Bros. and Apple Studios were setting up at the end of Grand Avenue.
KSBY was told whatever was taking place would not get underway until Tuesday.
The San Luis Obispo County Sheriff’s Office and State Parks are reportedly patrolling the area.
A State Parks spokesperson tells KSBY the California Film Commission (CFC) and California State Parks, Oceano Dunes District approved a film permit request from a production team.
According to State Parks, filming began Sunday and will wrap up by Thursday.
Filming is occurring within the State Vehicular Recreation Area at the dunes. The film company was also reportedly granted permission to using the Grand Avenue parking lot for vehicles and staging of equipment.
The dunes remain open to the public, but State Parks reports there may be slight delays or traffic control at times in certain areas.
“California State Parks is proud to support the film industry. By keeping filming opportunities in California, and especially here in San Luis Obispo County, we are able to highlight our beautiful parks, we get to share our amazing Central Coast with new friends and support the economy of our local business’s,” according to State Parks.