Zoning codes have been held to be "the law of the land", but that works both ways - for the resident AND the municipality, who have often ended up with undesirable uses because they didn't think through their zoning code before implementing it.In general, zoning cannot:1.

Land is vacant and very undesirable with nothing more than a power line and some trees. 

I have purchased seven houses on a block .In was in bad shape and attracted undesirable tenants.

Or do you sink all of this money into a property and still have an undesirable layout?

There are 2 units with undesirable tenants, so we shall see how it goes!

Is there something in your area on the outskirts that used to be undesirable but is now on the upswing where you can still find a deal with upside? 

I’d love a “ troublesome” undesirable tenant like her that will improve my property and increase the value of my asset ! 

My fault nonetheless but im wondering if this Landlord is being way to strict or if NSF's on an overall profile like mine is a big indicator of an undesirable tenant?  

Some are too far for commuters, and others are just undesirable in the market.

As you can imagine that meant that we had a lot of trouble makers and a generally undesirable tenant base.