WY master LLC with state specific child LLC or some other structure?

You should check into the impact on any medical assistance to your child. 

There is a small group that gets together in Annapolis run by Joe Child. https://www.meetup.com/RealEst...

They stated there would be 4 persons living in the unit and we have 4 names on the lease, however - how they've added two more adults - an ailing father and a child from maybe another parent they have custody over4.

Our youngest child is 2 and I would predict we have about 23 years of reaching this goal.

Depends on the state but a parent can transfer by family transfer their primary residence to their child without property tax in California up to a million dollars. 

Property Taxes: Should be safe since you plan on living in the home (because it's a primary residence, should be excempt with parent/child exemption), but you would want to get a second opinion on this.

When I refer to the owners when communicating to the tenant I really mean the wife, child, and myself but do not provide that detail.  

Do child support liens assigned to individual drop off like mechanics liens if the home ends up going to auction?

Hello,Here is my situation that I've been having very difficult time finding a CPA who can help.My wife and I have 2 houses, the one we moved from was my personal child hood home valued at $320k and has 0 mortgage.