This knowledge is worth more than one deal. 

Have you considered reaching out to local lenders or brokers who specialize in new construction?

*I know the markets really well even better than some local agents.

Quote from @Jeff Sanders: Personally coming from an agent/investor in CA, I always get a quote from a broker of mine and make sure I am knowledgeable with the fees/costs.

You could find your local wholesaler ( basically what a land flipper is) and ask about what CRMs they are using and also talk CPAs.  

Also, make sure to connect with local contractors to get estimates on your prospect properties.

However, looks like there is a harsh line as far as what locals can afford and if you go over that, vacancy is high.Watertown, NY- I’ve seen many great multi-family properties in the low to mid 100s.

Clear Title. 20+ years as local Real Estate Broker.

Tools like BiggerPockets calculators, Rentometer, and local MLS data can help refine your analysis.

When considering these neighborhoods, it's essential to conduct thorough due diligence, including analyzing rental demand, property values, and local amenities, to ensure they align with your investment goals.I hope that helps.