@Patrick M. 1) I second what @Theo Hicks said about contacting brokers. 2) Also, you may want to have a real estate friendly residential realtor contact as sometimes small commercial multi's spill over to residential MLS or the realtors may have contact on the other side. 3) In addition to that, you can use such sites as ListSource to compile your own list of owners with small MFH's and start direct marketing campaign. 4) Find local apartment owners associations and join them, as well as local MFH REI clubs on meetup and BP.

Here are a few more data points compiled by KCM - again national averages; I believe we may see quite different regional scenarios e.g.

I have a CPA firm I use personally - but I still compile my receipts, and organize them - cost, date, project, purpose, vendor etc.

MY FEP/s list will not include any names.It sounds like you're compiling valuable insights to help others navigate through the process of judicial foreclosure lawsuits for Alabama tax liens.

I'd like to understand @Devin James, from the domestic developer mind of things; If there stands a confusion, lack of comprehension on how to address housing compilation in a given region, city, MSA etc., why not look to Europe? 

I haven't seen any statistics to this effect and I don't think any has necessarily been compiled but I bet I wouldn't exaggerate if I state that 95% of the value of real estate in Southern Spain or at least the province of Andalucia is in the Costa del Sol.

@May Emery I have a couple from list source and the other I compiled by driving fro dollars.

As someone who has helped many new hosts get started, I’ve compiled all the essential tips and strategies into a simple step-by-step guide.

All kidding aside though; what seems to be the core values in an approach to asset protection...these 5 pillars you've pointed out went right into one of my specific spreadsheets of compiled personal data as I begin this REI journey. 

I'm a recent US Navy Veteran currently residing in California; and over the past 6 mths I've found myself 24/7 compiling all the statistical data I can utilize to dial in to which market I'll be breaking into the multifamily rental property game.