Murray Hill Jacksonville Rental Property

[Kurt Stein]

Hi, I recently found a gentlemen who is flipping his home in Murray Hill, in Jacksonville, and I've been in discussions to purchase the property from him when the renovation is complete. The garage behind the property was renovated into a 1 bedroom unit, equipped with a kitchen, bathroom, living room, etc, about 15 years ago, and he's been renting it out ever since. This brings up several questions & concerns. 

1. Do I need a rental/landlord license of any kind in order to rent out the main house or the small 1 bedroom apartment in the back? I've never lived in Murray Hill and was unsure. 

2. No permit was ever pulled when he was building/renovating the 1 bedroom unit in the back. What kind of implications does this have?

3. Can the square footage of the 1 bedroom unit be added to the total square footage of the property during the appraisal? If not, would I ever be able to do anything in order to sell the property counting that square footage? Would the fact that no permits were ever pulled have any impact on the appraisal?

Thanks,

Kurt