In the city of Berkeley, California, yellow curbs indicate commercial loading zones reserved for businesses to actively load and unload merchandise or materials. General vehicles may also stop at yellow curbs for up to three minutes to pick up and drop off passengers, and the driver must remain present with the vehicle.
Commercial vehicles have a 20-minute parking limit at yellow curbs during which they must be actively loading or unloading merchandise or materials. Commercial vehicles must have either a City of Berkeley business license decal affixed to the left rear bumper, commercial license plates issued by the DMV, or display logos or lettering indicating use for commercial purposes.
Yellow curb parking rules are enforced in Berkeley from 7 am to 6 pm unless posted otherwise.