Gonzalez said deputies responded to the Regency Park Apartment Homes in the 11300 block of Regency Green Drive and found a man dead with an apparent gunshot wound.
In an update on Thursday, the sheriff said the shooting victim had been identified as 18-year-old Anthony Perla.
The alleged shooter, identified as Christopher Jordan, was arrested and booked into the Harris County Jail, according to Gonzalez.
HCSO said Jordan was charged with Perla's murder.