wrote in message
...He obviously didn't think about our propety since he went and buried
the downspout from the roof under the parking pad. Now all of the water
from his garage flows onto our property. I'm concerned about soil
erosion and our property values....

The above is a big no no. Tell them this at the zoning meeting. Might also
want to go see the building permit office and zoning office before the
meeting, tell them the above along with the rest of the story, and ask what
you should do.