They say he's responsible for around 160 different graffiti vandalism incidents near Newhall Avenue between Valle del Oro and Sierra Highway.
Authorities released photos of the graffiti allegedly spray painted on walls, buildings, and other property. They believe he goes by the tagging name "Kronz".
The suspect wanted for questioning is described as a Hispanic male between 18 and 21 years old with an unknown type of tattoo on his neck.
The damage is estimated to be in the thousands of dollars.
Anyone with information was asked to contact L.A. Crime Stoppers at (800) 222-TIPS.