Quoc Linh Ngo and Tuan Anh Vu, both 38, were arrested Thursday. Deputies say they were responding to a citizen's complaint about the home when they stumbled upon the more than 400 pot plants inside.
According to the Harris County Sheriff's Office, Vu was arrested last year in a grow-house operation in Katy. He now is being held at the Harris County Jail with no bond.
Ngo's bond is set at $630,000.
An investigation is ongoing.
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