Pre-foreclosed

[JaNarria Johnson]

I recently found a house on y block that is empty with a lock box. I called the number left on the window, I assuming an agent answered the phone. She said that house is not on the market yet and won't be for another month. I'm interested in purchasing the home. What is the best way to approach this situation to get a good deal. I have the info of bank that owns it, and the name name of the last owner. 

Thanks for your assistance.