Also we've drove by the house numerous times during the day/night and it looks like there is no one there.  

There are typically more comps than spaces allowed for on the appraisal (depending on how rural or urban your location is), so you probably won't get all of the comps you were hoping for.

I am selling a piece of vacant land in an urban area that can be used to build a single family home.  

@Michael A DeAngelo there are numerous options but I use RentPrep for credit/ criminal check.

Over the past decade, we've seen urban home owners crave access to an income suite in their primary residence.

Sounds like this would be a syndication structure but there are numerous ways to structure these deals. 

I haven't had much success with banks due to the property being located in an urban area. 

-Actively reading BP site content, watching YouTube videos (BP and others), read Multifamily Millionaire, read Recession-proof Real Estate Investing, and read Rental Property Investing, and read/watched numerous other articles/posts.

Over the next two property managers we lost over half of the tenants, had numerous squatters in vacant units, and significant gang and other illicit activity.

A few years later, however, my manager got sick and the property began a precipitous decline. 2 more property managers later, I had lost over half my tenants, had numerous squatters, significant vandalism and finally arson.