Harris County Sheriff Ed Gonzalez said deputies responded to an auto-pedestrian crash in the 11900 block of Suburban at about 8:40 p.m.
Authorities say the child was riding his bike on the sidewalk and was being chased by a dog. The child lost control of his bike and fell into the street, then was hit by a vehicle described as a black Chrysler 300, according to law enforcement.
The child is believed to be 12 years old, according to officials.
According to authorities, the boy was pronounced dead at the scene, and the driver of the vehicle has not been found.