Answer:
Googling "graffiti arrests" returns nearly half a million hits. "Felony graffiti" (graffiti that costs more than $500 to clean up) returns nearly 200,000 hits. It is definitely illegal; the charge is vandalism.
First answer by Jmowreader. Last edit by Jmowreader. Contributor trust: 1119 [recommend contributor recommended]. Question popularity: 1 [recommend question].