Second Mailbox / Mailing Issue

[Kendall Vrana]

Hello awesome BP community! 

Need some more help. 

Currently, the house we reside in has a carriage house out back, that is a free-standing unit. All of the mail, both for the carriage house as well as our home, is delivered to the main house. Since we are friends with the carriage house tenant, this isn't an issue, though she has remarked that it would be more convenient if she had her own mailbox. 

Additionally, we are looking to move away in the next year or two, so eventually, we are going to need to figure out the mailing situation, so that it is not an absolute nightmare for the next tenants.

Both the carriage house and our house have the same address. I would like to set up two mailboxes, one for the main home, and one for the carriage house. Here are some questions: 

1) Are we going to face some legal issues if I set up the carriage house mailing address to indicate that it is going to the carriage house mailbox? An example: 

Tenant Name

Street Address 

CARRIAGE HOUSE 

Savannah, GA 31405 

2) How much would it cost to get it denominated as a separate home, ie. Studio/Apartment/Suite? 

3) In general, what would be the easiest and most cost-efficient way of handling this? 

Thank you!