You will find the property classification and recovery period information.

Proc. 2002-69 addressed the issue of classification for an entity that is solely owned by husband and wife as community property under laws of a state, a foreign country or possession of the United States.If there is a qualified entity owned by a husband and wife as community property owners, and they treat the entity as a: Disregarded entity for federal tax purposes, the Internal Revenue Service will accept the position that the entity is disregarded for federal tax purposes.Partnership for federal tax purposes, the Internal Revenue Service will accept the position that the entity is partnership for federal tax purposes.

This though was not enough as I now had to get building code approval for my new zoning classification....

You will have certain responsibilities with the state you are in / doing business in as well as federal responsibilities [filing requirements to get set up such as  the selection of entity classification should you choose not to be a disregarded entity and go for LLP or LLC S-Corp as well as annual tax returns].

I am looking for someone who can help me with changing my business classification and all that entails. 

Shows you a gap in my knowledge, I'm not familiar with the classifications you refer to so I'm tagging this post in order to follow it.  

's classification of hard money lenders.

Can someone explain where the classifications come from?

I think these classifications are more for internal IRS use than to determine anything about what will be allowed or not allowed from a tax perspective.I could be wrong though...

However, there is another element meant to help the smaller taxpayer who doesn't qualify for the real estate pro classification.