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January 28, 2025
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Cost Basis for Gifted Property

  • January 28, 2025
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My mom gifted a piece of property to me that has been in our family for over 50 years.  I "believe" the property was gifted to her and my dad from my grandparents.  I sold the property in 2024.

 

How do I to a derive the cost basis for the property?  The search of property records only goes back so far online.  My parents and grandparents are deceased so I can't ask them.  

    Best answer by Opus 17

    Unfortunately, the IRS does not have to give you any tax break (including a basis) that you can't prove with reliable records.

     

    The county will have records you can look at in person, if you want to figure it out.

     

    If the property was always only passed by gift, then your basis today is the basis of the original purchaser, way back when.   

     

    If the property was ever inherited, the heirs would have received a stepped up basis equal to the fair market value at the time, but that also can be difficult to prove.  And difficult to trace, if it was inherited by (for example) several siblings, who then gave or "sold" their share so one sibling can be the sole owner.

     

    If you have a mortgage, you probably have title insurance, which comes with an abstract of title, that is a copy of every time the property was transferred, possibly all the way back to before your state was officially a state.  That abstract may be stored with the title insurance company who prepared the abstract, or with an attorney who helped with the sale, or with the title insurance company.  You might try to get a look at that.

     

    Otherwise, you either have to do some hands on research at the county, guess a basis and hope you arent' audited, or go with zero basis. 

    2 replies

    Opus 17Answer
    Employee
    January 28, 2025

    Unfortunately, the IRS does not have to give you any tax break (including a basis) that you can't prove with reliable records.

     

    The county will have records you can look at in person, if you want to figure it out.

     

    If the property was always only passed by gift, then your basis today is the basis of the original purchaser, way back when.   

     

    If the property was ever inherited, the heirs would have received a stepped up basis equal to the fair market value at the time, but that also can be difficult to prove.  And difficult to trace, if it was inherited by (for example) several siblings, who then gave or "sold" their share so one sibling can be the sole owner.

     

    If you have a mortgage, you probably have title insurance, which comes with an abstract of title, that is a copy of every time the property was transferred, possibly all the way back to before your state was officially a state.  That abstract may be stored with the title insurance company who prepared the abstract, or with an attorney who helped with the sale, or with the title insurance company.  You might try to get a look at that.

     

    Otherwise, you either have to do some hands on research at the county, guess a basis and hope you arent' audited, or go with zero basis. 

    johnm40Author
    January 28, 2025

    Thanks @Opus 17 !

    January 28, 2025

    s If the property was gifted to your both your parents by your grandparents, her original cost basis is their cost basis.  You cost basis depends on whether your father was alive or not when the property was given to you.  If your father had passed away at that time, then your mother would have received a step-up in basis for 50% of the value.  So, if the property was worth $100,000 at the time of your father's death, your mother's basis (and now yours) would be $50,000.  The other 50% would still be your grandparent's cost basis.  As Opus17 mentioned, the records are available from your county.  In addition to doing the research yourself,  you could hire someone to do a title search for you.  A local real estate attorney should be able to refer one to you.  And there is always the $0 cost basis option.

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    Employee
    January 28, 2025

    @DavidD66 

    Good point, I missed that.

     

    @johnm40 

    From your question, 

    "My mom gifted a piece of property to me that has been in our family for over 50 years.  I "believe" the property was gifted to her and my dad from my grandparents."

     

    There is likely one part of the basis you can prove.  If your mother and father owned the property together, and your father died before your mother gave you the property, then your basis is half the fair market value on the day your father died.  

     

    Basically, we start with the provable basis (zero).   But then when your father died, your mother got his "half" of the property with a stepped up basis equal to half the fair market value on that day.  And if your parents lived in a community property state, your mother got a fully stepped up basis.  You can determine the FMV on the date your father died by talking to a real estate appraiser, they can look at historical records and give you an estimate.  So your mother's half basis is still zero that you can prove, but the half-basis she inherited when your father died is something you probably can prove.   All this assuming they owned the house together when he died, of course.  If she was divorced, or was only given the house by her parents after she was single, then we are back to square one.