Hearing date by city for official approval or denial is in august.My current loan has about 145k left on it with a 3% mortgage.ideally would like to subdivide keep my existing mortgage on my current home and not affect the rate then get construction loan for new build.

I would personalize it with a picture of yourself and sign the bottom to make it official.

There's so many links in the chain that can fail in that 30 days between when you get an executed contract and when you officially close. 

So, I've officially on boarded with Exp here in HI, I didn't expect the signing up and all that other on boarding stuff can take so long to do!

Just recently many mortgage lenders are announcing or launching second positions HELOC's and second mortgages that use bank statement deposits or even DSCR (rental income) on investment properties to qualify. 

I am not an attorney, so this is not official advice, but I will comment on what I know.You need to register the property as a rental with Maricopa County.

Talk to the local building official and get their take on the building's status.

I don't know anything about the deal but after reading your post I googled the company and found a press release from Nov 2021 announcing that they had purchased The Aubrey.  

When I got into REI a little less than 4 years ago I reached out to them for the first official mortgage I had ever had.

The population, as per the US Census Bureau, is officially increasing as of 2023 for the first time in nearly 70 years.