Enrolled Agent
19 years of experience in income taxes
I need more information to answer you correctly.
1. Is your mother selling the house to you? If so, is she selling it at less than fair market value?
2. Has the house been used for rental in the year of the sale?
3. Are you also selling the house?
4. Did either of you own the house more than 1 year?
5. Did either of you own and live in the house more than 2 years of the 5 year period prior to the sale?