If filing Married Filing Separately, and if your spouse co own your home, you should each deduct the mortgage interest and property taxes you actually paid unless the payments were from a joint account in which case you can divide the expenses in any manner that you agree.
However,Married Filing Joint
generally yields a better tax result than Married Filing Separate even if one
spouse earns little or no taxable income
Generally, filing jointly will give you a bigger refund
or less taxes due. When you file separately, your tax rate is higher and you
won't be able to claim a number of deductions and credits:
See Is it better for a married couple
to file jointly or separately?
.
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