One side issue is FHA's rules around using the rental income from your departing residence. 

Talk to the commercial lending department for stuff like this, where they could have more flexibility to lend on distressed  properties.Also to the point of your original question, I would do something like this over a personal loan or credit card to fund the rehab. 

A bunch of other factors impact the rules as well like urban village overlay,  proximity to transit,  and MHA fee zone.Seattle's website has all this info:https://www.seattle.gov/sdci/codes/codes-we-enforce-(a-z)/zoninghttp://www.seattle.gov/Documents/Departments/SDCI/Codes/MultifamilyZoningSummary.pdf

Sure and that’s why I was asking before we talked with the department tomorrow.

Not sure who you spoke to in city hall, but go to the planning or zoning department and ask for info there.

My first job out of college was with the collection department of a large finance company.

I would check the Zoning Department, Planning Department or Building Department and find the original plans to see if the town approved a 12 or 13 unit complex.

I'm not from NY, but in general, Water Departments' operating budget is based on the total number of users paying the minimum usage fee.

Your agent should be able to help pull title and give you some more background on the property, but only for major changes.If you don’t have an agent, PM me and I can help.https://www.smgov.net/Departments/PCD/Permits/Records-Request/

Look on your listing agreement or look his name up on the Department of Real Estate website (DRE)