HPD believes Cano walked away from 702 W. Sam Houston Parkway on Sunday in an unknown direction.
He is said to be a Hispanic man who is also mildly autistic.
HPD described Cano as having brown eyes, black hair and was possibly wearing an orange T-shirt with blue pants and glasses at the time of his disappearance.
Anyone with information is asked to call HPD's Missing Persons Unit at 832-394-1840.