Gabriel Orvill Gonzales also was arrested on suspicion of illegal possession of ammunition, possession of stolen property and possession of unlawful paraphernalia, Santa Cruz County Sheriff's deputies said.
Sgt. Christine Swannack said the probation search at Gonzales' Ben Lomond residence turned up items that had been reported stolen in a recent burglary.
Officers also determined Gonzalez' girlfriend was underage and he was arrested on suspicion of statutory rape as well. He's also charged with several probation violations, jail records show.