When this is a concern I always suggest we go take a look during a time the train runs through the area. No one's opinion is better than the reality.
Here are 2 units on the market pre construction:
Hope that helps!
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Larry, I would say leave well enough alone, unless you think you are overpaying in taxes. If they have the house undersized or less rooms counted than what you really have, you can be opening up a can of worms to have your house assessed for more money.
It is hard to give you advice as you have not explained what information is incorrect.... more