The robbery was reported at about 2:50 p.m. at the bank located at 575 West Capitol Expressway, San Jose police Sgt. Ronnie Lopez said.
An Asian man in his 20s who was wearing dark clothing walked into the bank, approached a teller and demanded money. No weapon was seen during the robbery, Lopez said.
The teller complied with the demand, and the man fled from the bank on foot. He was not found by responding officers, Lopez said.
No one was injured during the incident.
Anyone with information about the robbery is asked to call San Jose police (408) 277-4166. People wishing to remain anonymous can call CrimeStoppers at (408) 947-STOP.