My guess is you are going to have a major fight on your hands and you should turn this over to your lawyer to prepare.As for the tennat...stop being concerned about ruffling feathers.

Because they will lose out on tax revenue, since you got the house for lower than it it is currently assessed at you can fight your taxes and get them lowered.

Hmmm, options are a legitimate way to make a lot of money in a SDIRA, but it sounds like it might be a fight if the IRS decides to make a case because of all the abuses.

If you do then expect a fight.

3) Sometimes it is not great to pick fights with your PM in terms of the lease/rent.

Those of us who really take pride in our work have to constantly fight against the perception that we are all lazy and incompetent. 

If that is the only way to his property for the line, it might be a valid easement.Listen to your local lawyer, but the easiest route may be to make an official, recorded easement of what is than to fight it. 

Kind of like if a cop gives you a speeding ticket, the cop shouldn't also get to be the judge if you choose to fight it, right? 

His craigslist/hotpads/zillow/trulia b/c your tenants will look at them and see if they can find a place and use that to fight your case. 

What can I do to fight the increased assessment?