A home purchased by a taxpayer who already owns a primary home should be
eligible for tax benefits from the ownership of the second home. The total
mortgage balances of the two residences cannot exceed $1 million. You
should have less than$100,000 of home equity indebtedness as well. The
mortgage interest is generally fully deductible under these circumstances.
You must personally reside in the second property under one of the following two
circumstances:
The deduction for real-estate taxes will not be limited, whether the home is classified as a second residence, vacation-home rental or investment property.
You may also be able to deduct some expenses.