Note also that this extends to the roof, so any attic spaces also need to be rated.Here, there are some other requirements (read: expenses) if you're making a legal 3rd unit, but I don't know your city codes there.

Have you considered trying to find tenants that would use more space?  

I'm just a few months ahead of you in terms of wholesaling and I'm in the Northern and Central NJ space for now.

The park has space to expand to 2 more spaces, but I have to check with the county to see if the existing septic will suffice.

There are tons of helpful users on here and a wealth of information to glean from other users.Commercial and residential can be quite different due to the nature of who wants your space.

I would use it in a family type room (like a basement living space) or guest bedrooms.

Hey guys and galsI have a commercial property that i plan to build some rental space on.

Or is it each individual housing space in say a duplex, triplex, or fourplex?

I'm just in the brainstorming phase on using a retail space as a "collaborative workspace" where freelancers and small business owners can rent shared office space.   

I assume he is a tenant and he wants to sublet some space?