Check out November's top ROI Zip codes in and around Charlotte! 

From tax stand point I would think you can separate from primary and be okay with IRS being that IRS will not be local code enforcement.  

Very good point.In the case of Arizona, I have been unable to locate any state law / code that suggests Arizona may have additional regulations. 

Ideally your alter ego can do it, but for some people it is better to ask someone who does not care one way or another.

There is not going to be more landed added (but may be some land lost).Good luck I compare your San Diego zip code 92154 and his Miami zip code, the most differences is sale-to-list ratio that's trending up in Miami zip code with 5:1 ratio.

I also own over 15 properties in these two zip codes. 

Because I'm not an accountant or versed in tax code and law wouldn't I want a CPA to ensure everything is legally tight and as advantageous as it can be? 

You may be able to explain the situation and avoid making alterations to your LLC. 

On Zillow, we simply call it #A with the same address.Learn something new all the time.I don't know the layout, but code calls for two exits in case of fire. 

Quote from @Aaron Letzeiser: Quote from @Sahand Vafadary: Quote from @Aaron Letzeiser: REVISED CODE@Aaron LetzeiserI was hoping to work with Obie, but on the last page before signing the documents, I came across this disclaimer, which made me rethink my decision.