@Freeman SchultzIt's definitely good to have a team put together so that you can have an idea what to expect from a loan/accounting/legal/builder perspective.

If you do this as an agent without your brokerages consent then the brokerage will take the cut out of your check and not theirs.I do not know your situation it just sounds like something is off with this transaction from your description.No legal advice given.

no legal advice but from a fellow california landlord start the process. if she is a professional tenant she will quickly figure out all the things you have done wrong and cause more problem for you than if you just did it right.When my tenants are late or problem children  I sedt a strong professional letter telling her she has X time to pay or I will start the evection process under the fullest extent of the law.

id=513So the question is how do I legally put my son on the loan?

Is it not legal to remove it yourself, DIY?

If the area is not zoned for multifamily or, if the lot dimensions and coverage do not comply, there will be no legal conversion.   

For this recommendation, he cited various potential legal and tax reasons that can occur with properties in different states.

This is not legal advice.

Worse yet the fee is not legally mandatory like taxes and filing fees but unquestionably entered on closing documents.

It may very well be improper in your state, as it is in many states, for a non-legal professional (who isn't the owner of a business) to fill out and file with a state agency legally operative documents.