"Home ownership is a superb tax shelter and our tax rates favor homeowners. As long as your mortgage balance is smaller than the price of your home, mortgage interest is fully deductible on your tax return. Interest is the largest component of your mortgage payment.
IRS Publication 530 contains tax information for first-time home buyers. Real estate property taxes paid for a first home and a vacation home are fully deductible for income tax purposes. In California, the passage of Proposition 13 in 1978 established the amount of assessed value after property changes hands and limited property tax increases to 2% per year or the rate of inflation, whichever is less."
Read the full atricle written by Elizabeth Weintraub at About.com.