Graffiti
To report graffiti on public or private property, please call the Graffiti Hotline at (480) 350-8384.  Graffiti on private property should be painted over by the property owner within 10 days as specified in the Tempe City Code, Chapter 22, Article VI, Section 100 & 101. 
Refer to the Tempe City Code for graffiti:  Article VI, Graffiti Vandalism

You can report graffiti -