You never want any decision to exist that both people can make.

@Harjeet Bhatti Thanks, I didn't know this option existed. 

It usually only affects those with pre-existing respiratory issues.The law does not require you to snap your fingers and make the issue disappear immediately.

One way is to  or call the county tax assessor office and ask them where they have done the most work lately and separate the new from the existing. 

You're already at 80% LTV.Remember that the top 10% of equity does not really exist. 

While I do not know the local fire code in Baltimore, here If the building does not have a secondary exit for both units (regulations differ a little depending on whether either entrance/exit is shared vs independent), they would not be legal accommodations.

I'd avoid eastern Hyattsville, where the sidewalks are non-existent or cruddy.

I'd just get a hard money loan; they exist mainly for financing flips. 

Looking for a existing Apartment that needs rehabbing or In also willing to demo a old house to build new Apartment building.

Must include:- obtaining all licenses and permits- tear down of existing structure(s)- complete build including finishes