To report illegal parking in California in 2026, the procedure varies by city, but generally involves contacting the local Parking Enforcement division or the non-emergency police line. For instance, in large cities like Los Angeles, you can use the MyLA311 app or call 3-1-1 to report vehicles blocking driveways or abandoned cars. In San Francisco, the SFMTA handles these reports through their specialized dispatch line. If a vehicle is blocking a fire hydrant or an active traffic lane, creating an immediate hazard, you should call the local police department's non-emergency number. Many California municipalities have also integrated AI-powered reporting systems in 2026, where you can upload a photo of the violation via a city portal to trigger a digital ticket or a dispatch. Always provide the vehicle’s make, model, color, and license plate number, along with the exact address of the violation, to ensure a swift response from local authorities.