License Plate 4721H3 in California, United States

Blocked Driveway & Illegal Parking at 1500 Cole St Ashbury Heights. Green Tacoma extended truck with license plate CA 4721H3 Double parked truck on a narrow street, its been doing this for days now and we are tired of it. he parks and leaves it with a bag left behind it on the street so people will think its about to be moved. please check. thank you