sfgov/dpw. or, go to the table in the back after the meeting. four, reporting it. file a police report when your property is vandalized. an easy way to do it is on-line. i just search this morning and it came up. as a matter of fact, an interesting and easy form to the lot. you will be given a case number. another way to do it is to call 553-0123. that is the police non-emergency number. report the graffiti and the police will take it from there. if you want to, go to your closest police precinct station and bring your photos. after you have made sure you are prepared, that you've taken pictures, you have cleaned it up, and report it, consider the future. how do we prevent future graffiti? there were many ways to do that. a blank wall is an open invitation to a graffiti tagger. you might limit their access to your blank wall by such things as maybe planting thorny shrubs in the area. angled roof tops, those are prime targets for graffiti vandals because their tax can be seen from a distance, to give them more fame in their criminal culture. resist access to your ro