Deputies responded to a weapons disturbance call at around 3 a.m. in the 23000 block of Bauer Hockley Road.
When authorities arrived, they found the man with gunshot wounds. The man was pronounced dead after paramedics arrived.
According to deputies, officials learned that the victim had gotten into a physical altercation with his girlfriend. She called her brother who showed up shortly after, officials said.
According to law enforcement, the two men got into an altercation, which led to the victim getting shot several times.
Deputies say the victim's girlfriend and her brother stayed on the scene.
The case is being referred to a Harris County grand jury.