They have the means to store on their own property..but chose not to. Instead you are now affected. Kind of a clueless move to say the least. I would take a few cookies over and try to catch more flies with honey. Maybe one spouse doesn't like it either. It's a small thing, and they are legally able to, but you'll find out who they are after starting a nice conversation. Most people don't seek out unneeded negativity. Maybe he thinks you don't care either way or something. Maybe he starts griping about the other neighbor and you just made a friend.
Getting the local constables involved is a big step down imo.
Then 3hr parking zones, Buying permits to park in front of your own house. etc Everybody loses.
Or. Friday night Pelican party?
https://www.pelicanparts.com/More_Info/PEL3768SCH02A.htm?pn=PEL-3768SCH02A&bc=c&SVSVSI=
