My suggestion, before spending a bunch of time on talking with lawyers (and money) maybe find your partners and develop the structure that would be acceptable for all the parties involved.  

I'm looking for ideas on how to structure a deal for a seller who is moving into a low income senior living.

Talk to a tax professional about how to legally structure that.

Does anyone have any certified structural engineer recommendations to look at a property's foundation and some cracks in the brick?

A remote business structure, maybe the best way?

Good luck Hey Justin,Thank you for your response even though I'm not the original poster :) Would you care to go a little deeper on how your partnerships were structured legally? 

All negotiable based on syndicator structure.

I did eventually find a very good cpa who has a lot of clients doing solo 401ks and gave me great answers on how to structure this so that I don’t run into irs issues.

Does the $200,000 include all building costs, holding costs, permit fees, structural/architect fees, and all other fees?

I'm happy to jump on a call sometime if you want to learn more about the structure of these investments as well as share things I learned from my passive investments and the types of questions I would be asking the General Partners.