And give that tenant "notice to quit" addressing the matter. 

But there was a huge crack in it, which was allowing the mold to harvest (with the addition of the leaking water main, which he did not notice either).

@Annarosa Gugelmann just noticed that you might be the one looking,  Still recommend Coast to Coast Management in Southfield MI.

Does anybody know a good way to find DC metro area (PG county, DC, NoVa) notices of default/ lis pendens?

I have seen a noticeable reduction in competition to purchase large Multifamily properties (over $10 million) but there is still a fair amount of interest in most properties.

I noticed that the AC vents are located in the floors.

@Robert Farris I don't get on BP very often and just noticed this.

I do get notices when the tenant is late on a bill.

________________Thanks Gideon, I will surely include the extra numbers to play it safe and so that the rehabber / end buyer will have all their costs covered, but I noticed you based these deductions from the ARV and not the asking price, do I make these deductions using the ARV from sold comps.?

From what I have noticed in my research it seems that MF likes to show up around established town centers.