“Zillow tries to promote itself as a tool to help you with real estate transactions, and as such I see no value.”
SO what then does qualify as being helpful. I would like to better understand what you are looking for. You have a map of the area. Comps for recent sales. Tax information. What specificiallyar you looking to get. Real estate is is a fragmented industry. An apartment can have a 3 million dollar price tag if it is on the top floor and ahs an ocean view and a 500K price tag in the same building if it is on a middle floor in the back alley. Pretty tough to develop[ an all encompassing system to account for this.