Bob,
I have no quick answers as I am a refugee from the Megopolis that is the east coast. There are storage yards and they are not cheap, they also rarely have power available to keep the coach batteries maintained. You can do that with solar, but unless the year you find has great security, put little panels inside windows so that they have a chance to still be there when you see the coach again.
There is one small suggestion for you. A friend that has a coach he takes south every winter keeps his coach at a local boat yard. When fall comes and the boats come out and turn blue, he only has to go over and relocate it so it is out of the storage area, but then the parking area is open.
Matt