At that sale there were two large groups and about 10-15 individuals.

Amstar Construction Management Group (2013- Present) is a custom home builder and construction management consulting firm; we employ and manage the skills set of other professionals: certified contractors, specialty trade contractors, and individuals.

Check NMLS for licensing for the individual originating your loan.  

If it's not an individual what type of org.

Often title issues will never come back to do any harm but it can  mean you can't give clear title when you go to sell or refinance. 

@Shone Freeman,@Amos M.is one smart individual and definitely a calculated risk taker.

I'm based in CA. 2) Is it possible lump all the properties in to one HELOC or do they have to each be their own individually HELOCs?

That may not be the case for individuals who do not.  

Umbrella with each one in an individual LLC, perhaps?

Another person considers taking someone's security deposit not to actually use it for repairs, just on a matter of their own individual morals, as a way of teaching them a lesson.I know who I'd rather do business with.Anyways, hope OP doesn't end up in court due to a lawsuit over this, or in court over mishandling the marijuana that they possessed after their tenant left.