Boston area three family

[Alejandro B.]

Looking for some advice on an owner occupied 3 family in the boston area. The house is a 3 family with a full sized attic/4th floor. The 4th floor has front and back egresses, appropriate ceiling heights, and electrical already set up. The zoning on the property is for a 3 family and there is no private parking.

I am trying to think of the best way to utilize this space to add the most value both short-term and long-term. The obvious option to me is to build out the attic and create a non-conforming unit that I could move into or rent out for additional cash flow. I could also try to get a variance or exemption to turn it into a legal four family. The other option that comes to mind is to make it an addition to the 3rd floor and turn it into a 4 bed 2 bath two-level unit, but this is my least favorite option. 

Anyone have any experience with this style of house? what would you do if this were one of your properties?

[Ben Simon]

@Alejandro B. Boston has new ADU program that might be helpful for you. I helped someone last fall use the program to create a basement unit. Happy to share more if that might be helpful