I would try contacting some real estate agents in Brooklyn directly to see if they can help you, if you haven't had much response. Also, be careful about saying Italian Jewish area to them because agents are not permitted to talk about such things.
Here's the link for agents in Brooklyn: http://www.trulia.com/voices/directory/Brooklyn_NY---7168... more
Keep in mind that RealtyTrac's information may not always be accurate and oftentimes can be misleading--you could be looking at a lis pendens property--notice of default--some of those properties may not be for sale yet, and some may never be, if the default is satisfied by the owner. If you are interested in foreclosures, work with an agent, as most do end up being listed by a broker--he/she will have access to reliable information--also don't overlook traditional sales as some may turn out to be a much better bargain than some of the foreclosure properties.... more