If you see graffiti vandalism in progress, call 911 and report it immediately to the San Diego Police Department. Do not confront the vandals. Although they may appear to be harmless, they may be carrying weapons. The police will respond based on the priority of the crime compared to others for which they have calls at the time.
You have two options to report graffiti in Darnall (both anonymously). Firstly, file a report on the Graffiti Hotline or fill out an online report with the location details. The key is to be concise about the location so city crews can locate and remove the graffiti.
Graffiti Control Sighting & Complaint Form
Graffiti Hotline