Police received a report regarding a hidden camera located in the employee restroom at Papa Murphy's Take'N'Bake Pizza at 1155 Arnold Drive at about 3:40 p.m.
Upon arrival at the take-out restaurant, police interviewed the employee who found the camera in the restroom. Police confiscated the video camera.
Following the initial investigation, police arrested the 31-year-old manager, Jason Lassor.
Lassor was booked at the Contra Costa County Jail for a misdemeanor violation for invasion of privacy and disorderly conduct, police said. The incident remains under investigation, according to police.