A suspect robbed the Minit Mart Market in the 2300 block of Ulric Street just before 5 p.m. Saturday.
The suspect took an unknown amount of money from the clerk at gunpoint and walked out the front door. He was seen heading toward the back of the business.
He is described as a darker skinned man with a partial afro and dreadlocks. He is 5-foot 9 to 6 feet and approximately 250 pounds.
He was wearing a navy blue jacket, black and white zebra style sweatpants and a dark shirt.
San Diego Police Robbery Detectives are investigating.