It happened around 10 p.m. at Ed's Pizza located on the 5300 block of Rising Sun Avenue.
Police said a man with a yellow mask held up several customers at gunpoint, stealing their wallets before driving away in a black Lexus.
The owner of the business said approximately $500 was also taken from the register.
Officials said no shots were fired and no one was injured in the incident.
Anyone with information is asked to contact the police.