According to estimates by the Joint Committee on Taxation (JCT) and NAHB analysis, homeowners’ tax bills were trimmed by more than $100 billion in 2014, reports David Logan of the NAHB’s Eye on Housing blog.

The mortgage interest deduction (MID) alone accounted for $72.4 billion in tax savings, while the real estate tax deduction (RETX) saved homeowners an additional $30.2 billion. Rounding out the group of tax advantages is the exclusion of capital gains on the sale of primary residences, which reduces tax liability by nearly $30 billion annually.

Looking deeper, two-thirds of homeowners with a mortgage claimed a total of $296.2 billion in mortgage interest deduction on Schedule A, while three-quarters of homeowners with a mortgage deducted a total of $174.3 billion in real estate taxes paid.

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