So, be careful about the suggested ideas that a LLC will let you avoid compliance. 

That's in part a result of Series LLCs being complicated to set up and thus more expensive and thus more money that an attorney can charge you, part a result of it being a shiny new toy that every attorney wants to try out and set up, and part a result of attorneys wanting to provide maximum, duplicative, redundant protections for their clients (no lawyer wants to be the one who assures their client that their LLC is foolproof or to say that their proposed course of action will be fine only to later watch that client lose their business, home, car, coin collection, etc.). 

Certainly working through a custodian comes with its own compliance hoops to jump through. 

Be sure to stay in compliance. 

Most importantly you need to convey confidence and assurance you are a player and not just wasting their time.

Build those investor relationships beforehand next time.You need to be very careful to stay in compliance with your deal.

Is there an inspection I can pay city to request and they certify that the property is in compliance?

Make sure to speak to a local real estate attorney regarding the options to make sure you do everything in compliance with state and federal laws.

To help with compliance;  they need full doc on you, verifying you can afford $900/mo PITI. 

Two national companies you can go to that focus specifically on this product are US Assure or AU Gold (except NY) If it is a residential rehab you can go to Foremost for a quote.