What happens when the property Sq. Ft. is lower than it really is

[Justin Peters]

In the tax records, it says that the house is 2100 square foot when in fact it is 3300 sq. ft. (we have measured it 3 times now).

What are the steps to take as a homeowner or as a buyer when you find this out? I know it's quite common and just didn't know the solutions, consequences, etc. when something like this occurs. 

I am very unfamiliar with this situation and look forward to what the BP Community can tell me about this. 

[Kirk Thomas]

Not uncommon. You can make sure that you do not have an unpermited addition. If you want to correct it you can request a new appraisal/survey (talk to your county appraiser). This could have secondary effects such as increasing your property tax or highlighting permit issues.