I mean we get plans for 2 to 4k that are semi custom total custom are never more than 15 to 20k per.. 

They required much more attention to detail, asked more questions, and overall, were much more demanding than the average customer.

They can live in the property and customize it to themselves as long as it increases the value of the property until they are able to finance the property within the option timeframe.  

More for large custom homes.

I developed a relationship with a community bank that has other customers like me and understands what we are doing. 

I never got an email or anything from them (am an existing customer).  

One, they have plenty of work but if the customer is willing to pay above norm, the contractor will find a way to fit them in.

What you have, in this case, sounds like 4 consecutive lots of what is called "land/home", which are typically sold to individual customers on separately platted lots so that they qualify for traditional mortgages as traditional real estate.

If your in NY I suspect you are regulated to having to use attorneys for closings I would see if the attorney has a customer service department like our title and escrow companies and if they compile this data for the local builders and developers and real estate folks.We get it for free and so do all the realtors in our market. beats any national type of data system.

Banks are not going to share private information about their customers with you.