License Plate 54528 in California, United States

Blocked Driveway & Illegal Parking at 911 Buena Vista Ave West. White Aero bus with license plate CA 54528 This 20 to 30 foot van has been parked here for hours. it's a narrow 2 way st. but now it's a one-way street. it needs to move. the engine is running a lot and the exhaust comes into my windows.