The answer would depend on what the original purchase deeds and any zoning regs say regarding each of the five properties, sounds like there are actually seven. There are probably other facts you haven't mentioned. You ought to speak with a real estate lawyer with your questions for a comprehensive answer. This would require a review of documents and an additional description. This isn't really something that an Avvo post can answer.
Ms. Johns is a lawyer although she isn't your lawyer unless you have consulted with her and signed a letter or fee agreement confirming her representation of you. This post does not constitute legal advice and no attorney client relationship results.