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Do property taxes get deducted 100% from the Annual Tax Return or only a fraction of them?
Any deductable expense will reduce your taxable income not your tax payable. Your Example 1 above is correct and gives you 100% deduction. It is like having a business where your sales are $100,000 and your expenses in making the sales is $40,000. The expenses are your tax deductions and reduce your profits on which you pay tax on to $60,000. If your Example 2 was correct then the situation above would change that you would pay say $30,000 tax on $100,000 sales, then apply your deductions (or expenses) of $40,000 so that you would pay no tax at all and in fact get $10,000 back in your return. In this case the government would not be collecting any taxes but paying out returns to everyone. Your Example 2 is absolutly incorrect.