Deputies were called to the 11900 block of Douget Road at around 1 a.m. regarding a shooting.
Officials said when deputies arrived, a young victim was found in the roadway with multiple gunshot wounds.
The deputies performed savings measures, but MCSO says the 14-year-old was pronounced dead at the scene.
Shortly after an investigation began, deputies found a 15-year-old may have been involved.
MCSO said a search warrant was executed where the teen lived, which led to the identification of two additional suspects: 19-year-old James Fuller and Mason Goodwin of Conroe.
The older teens were arrested without incident, and the 15-year-old was taken to the Montgomery County Juvenile Detention Center.
No further details were provided.