Great fishing, great golf and many (short) flights from the US and a very large new airport and convention center.

The land lot came along with the purchase of the adjacent residence property back in 2011.

How about punching out a wall and expanding the adjacent room?

Many cities (at least older, Rust Belt ones) have some sort of cost-share program for public works projects like these, where the direct benefit is likely to be enjoyed by the residents of the building adjacent to whatever's being fixed, so they (or you, as the case may be) have to kick in.As for why your property taxes don't pay for it, you'd have to look at the tax bill you get in Columbus to see how things are allocated.

My tenant says a large majority is coming through the flat Bilco doors adjacent to the building.

It's often a water leak from an adjacent unit that damages the rental but the neighbor owner refuses to take responsibility.

Let the band move in adjacent to you if its not such a big deal...  

I talked to my insurance carrier in hopes that if I filed a claim, they would get the work done and then go after the property owner of the adjacent property. 

., from corresponding with the tenant to having someone evaluate the heating unit, etc.)My main concern isn’t the heating unit but rather the pipes, as we move into frigid season, and any adjacent damage caused by one bursting.

Backstory, I had to remove a a small section of drywall in restroom because wall adjacent to bathtub was wet.