You can only take a tax deduction for mortgage interest paid on your primary residence and a second home. (smallbusiness.chron.com)
What are your thoughts on the federal deduction for mortgage interest? (themoneycommando.com)
Homeowners can take advantage of deductions for mortgage interest, real estate taxes, installing energy - efficient home improvements, canceled debt on a mortgage, having a home office, and more. (efile.com)