What kind of attorney do I need to sue my previous landlord for not returning my property after I was evicted?

It sounds like you need an attorney who represents tenants.

What kind of lawyer do I need to get my mother's property in my name?

It sounds like you need a probate attorney if the real property was not in a trust.

In Calif., a small estate affidavit isn't used to open a bank account; it's used by heirs to collect funds when the size of the estate is small...

Where should I store all of my final estate plan documents so that my families knows where they are in an emergency?

A fire proof safe is a good place to store documents. Make sure to make copies of your documents for your successor trustees, executors and agents.