maybe no nol if her itemized deductions were in excess of her rental loss
the quick computation for an NOL is the excess of business losses (rental) over business income (would include w-2 wages) reduced by the excess of non-business deductions (her itemized deductions over non-business income (this may ignore certain items that would affect the NOL. the only way to know for sure would be to complete form 1045 schedule A for each year. Negative AGI would probably indicate there is an nol.
