Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. Understanding the Alternate Valuation Date Executors can value the estate on the date of death, or on its six-month anniversary —the “Alternate Valuation Date." Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit.