Harris County Sheriff's Office deputies said the ATF agent awoke at his home on Brookway Willow at Brookway Pine around 4am after hearing the suspect enter his house.
The agent then grabbed his shotgun and confronted the suspect, officials said.
According to HCSO investigators, the homeowner discharged his weapon, hitting the man in the arm.
The suspect reportedly fled the scene in a vehicle, but he didn't get far.
Harris County Precinct 4 Constable's Office deputies stopped the suspect on FM 1960 near Kuykendahl and arrested him. He was taken to an area hospital where, at last check, he was listed in good condition.
This case remains under investigation. No other details have been released.
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