Ismael Casilla was last seen Wednesday around 6 p.m. in the 4400 block of Dallas Street.
Casilla is a Hispanic man, 5 feet 6 inches tall and weighs 150 pounds. He has white hair and brown eyes.
Casilla was last seen wearing a red shirt and brown shorts.
If you have any information about his disappearance, call the Houston Police Department Missing Persons Unit at 832-394-1840.