Parking Antique Ramp Truck on Residential Property

Exactly this. You need to find out what the ordinances are where you live. Example; before I bought my car I looked up what I needed to do in order to keep it, I looked up the city ordinance. That is what you need to do. To hell with the neighbor, he probably don't know the exact wording either. That is your job, to find out the exact wording.