The data I see breaks down Brooklyn into quadrants but not specific neighborhoods...

It’s very achievable, but I highly recommend getting some education before doing anything else.

When we fund short term rentals we actually base the 30Y note off the long term market rental data.

Meanwhile, sales of new construction single-family homes recently hit a six-month high, rising 14% to a seasonally adjusted rate of 800,000, according to the latest data from the U.S.

Stockton, CA Average Home price Data From August-October 2021RedfinAugust $422,750 September $421,250 October $403,000ZillowAugust $421,000 September $429,000 October No infoRealtorAugust $425,500 September $420,000 October $400,000Sources:RedfinRealtorZillow

Okay so reaching out to assessors is a good way to get real tax data.

Like any form of statistics the more data points you have the more confident you can feel about the averages and trends.

That's because there are no tax consequences to the grantor until the option lapses or is exercised.If the option lapses (that is, the holder chooses not to buy the real estate), the grantor has income equal to the amount paid to him or her for the option.If the option is exercised by the holder (that is, the holder buys the real estate), the sale proceeds for purposes of determining the grantor's gain or loss on the sale of the real property includes the amount the grantor received for the option.The grantor's tax deferral can only be achieved if the agreement is a true option. 

The following infographics and data is courtesy of the Austin Board of Realtors:Housing inventory shrank marginally to 1 month for both the City of Austin and the entire MSA.

Then you can reverse engineer the numbers to see what the NOI will need to be to satisfy the lender requirements and see how realistic it might be to achieve those numbers.