Police say six businesses were hit the night of September 11 in the area of 25th Avenue and El Camino Real.
Police are trying to figure out if the man is working alone or if he's part of group.
In most of the burglaries, police say the suspect got in through a back entrance and made off with cash and other goods.
Anyone with information is urged to contact the San Mateo Police Department at (650) 522-7650.
