No, I've not invested with SCDC, and it's not likely I will without evidence they can do / have done what they've claimed on their web site.

Difficult to tell from the website exactly what type of Passive Investments are available: Fixed Term or Open-Ended.

Verify and double verify with the applicant that the information they have provided is correct and that all income is verified and all adults will have a background check. 

However, Montgomery County as of yet has not updated their forms or website, included the landlord/tenant handbook and they are still not enforcing.

Every adult can figure out how to contact you if they think you provided valuable information to them.

Quote from @Kimberly Venable: Good morning, I have been a lurker of this website for a while.

Be conservative and don't rely on young adults to pay their rent.

I personally have not heard of the website that you came across.

Incomes mainly over $60k for adults in areaC - Middle class.

Here's a https://www.irs.gov/businesses/cost-segregation-audit-technique-guide-chapter-4-principal-elements-of-a-quality-cost-segregation-study-and-report to the IRS website noting specific items that are included in the cost segregation study report. hmm, that website is a 404 error.