The suspect entered the store, located at 1305 Willow Road in Menlo Park, around a quarter to 6 p.m. on July 15. Pointing a black handgun at the clerk, he demanded that she empty the cash drawer. The man grabbed some money and fled, running north on Ivy Drive, police said.
Police responded to a hold-up alarm from the store. Witnesses described the man as wearing a black hooded sweatshirt, jeans, white T-shirt and black shoes, in addition to a mask covering his face.
Police ask anyone with information about the robbery to call the investigating officer at 330-6300.