How could you find the exact value of the place or Real Estate?

You can never find the exact value of anything unless you sell it.

There are a lot of websites you can use to find an estimated value by typing in the address. It's not going to be exact though, but it gives you a good idea. I like to use a few different websites to get a better idea. Some websites are...

http://www.housevalues.com/

http://homes.yahoo.com/home-worth

http://www.zillow.com/

A Realtor can be a little more accurate than these websites because they know the current market, the neighborhood, and will walk through your house to see what it offers. They can put a value on a place.

But like the guy above me said, it all comes down to how much someone is willing to pay for it, so you won't know the "exact" until you sell.