@Derek MartinThank you for responding to my post.

Just like you said at the end of your post. 

This is a long revived post- I'll add a little tax pro insight from what's happened in the last 2 years The IRS went from < 100 engineers on staff who were qualified to audit cost segregations to a few hundred. 

If you got a report that someone was smoking cigarettes or cigars outside only, per the rules, would you post the same question?

I think one important note that I omitted from my original post was some background info.

Letters, post cards even calls are useless to this owner class. 

Investors and agents often post when they need help with admin tasks or market research.

While OZ investments offer significant tax benefits, assess property risks and long-term potential beyond the tax savings.This post does not create a CPA-Client relationship.

Send a Lease Violation Notice immediately - by mail with proof of delivery required (cheap date through post office) and or affix the notice in a envelope with his name on it on the door of the unit. 

I read a forum post on a personal finance blog about a user using YNAB and Credit Karma together to problem solve.