Capital gains tax basis for house in irrevocable trust - stepped up basis questions
My dad set up an irrevocable grantor trust (IDGT) in 2022 and transferred his house into it. According to the trust documents, he kept a life estate in the house so he can continue living there until he passes away. The trust also states that assets will be included in his estate after his death. I'm trying to understand the tax implications if the house is sold. There are two scenarios I'm wondering about: 1. If the house is sold while my dad is still alive, would the capital gains taxes be paid by him like all the other trust income/capital gains since it's an IDGT? 2. If the house is sold after my dad passes away, does the house receive a stepped-up basis to the value at his date of death? Or would the basis be calculated from when the house was transferred to the trust in 2022? If it's the latter, should I get a professional appraisal now to document the value of the house when it went into the trust? Trying to plan ahead and understand the tax implications for our family. Any insights would be greatly appreciated!
18 comments


Victoria Jones
This is a really good question about IDGTs (Intentionally Defective Grantor Trusts). Let me break this down: For your first question - yes, if the house is sold while your father is still alive, he would be responsible for paying the capital gains taxes. Since it's an IDGT, your dad is considered the owner of the trust assets for income tax purposes (but not for estate tax purposes), so he would report and pay taxes on any income or capital gains generated by the trust. For your second scenario, since the trust specifies that the assets will be included in your father's estate, the house should receive a stepped-up basis to its fair market value at the date of your father's death. This is one of the benefits of this type of trust arrangement - it allows for both lifetime tax benefits and a stepped-up basis at death. So if the trust sells the house after your father passes away, the capital gains would be calculated using the stepped-up basis (value at death), not the original basis from when it was transferred to the trust in 2022.
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Cameron Black
•Thanks for the explanation. I thought IDGTs were primarily used to freeze estate values - so why would the assets still be included in the estate? Isn't that defeating the purpose of the trust? Also, is there anything specific in the tax code that confirms the stepped-up basis in this situation?
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Victoria Jones
•You're right that IDGTs are often used for estate freezing techniques, but they can be structured in different ways. In this case, the trust was set up so the father retained a life estate in the home, which is why it would still be included in the estate. Under IRC Section 2036, if you retain the right to use or live in a property for life, that property is pulled back into your estate for estate tax purposes. The stepped-up basis comes from IRC Section 1014, which provides that the basis of property included in a decedent's estate receives a stepped-up basis to fair market value at death. Since this property will be included in the estate due to the retained life estate, it qualifies for the step-up.
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Jessica Nguyen
I went through almost the exact same situation with my mom's house last year. After hours of research and confusion, I found https://taxr.ai which literally saved me thousands in potential tax mistakes. Their AI analyzed our trust documents and gave me a detailed report explaining the basis implications for my specific situation. It was like having a tax attorney but without the crazy hourly fees. For your situation, they would analyze whether the IDGT truly qualifies for stepped-up basis and if there are any exceptions based on your specific trust language. The system highlights any red flags in trust documents that could affect future tax treatment.
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Isaiah Thompson
•How does taxr.ai actually work? Do you just upload the trust documents and it gives you answers? I'm skeptical about AI giving accurate advice on something as complex as irrevocable trusts.
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Ruby Garcia
•Does it also tell you what documents you need to keep or if you need to get an appraisal? My parents did something similar but I'm not sure if we should be documenting the current value.
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Jessica Nguyen
•You upload your documents and their AI analyzes the specific language, then provides a detailed report with citations to relevant tax code. It's not just generic advice - it finds the specific provisions in your trust that impact tax treatment. It's backed by tax attorneys who review edge cases. For documentation requirements, yes - the report includes a checklist of what you need to maintain. In my case, it recommended getting a professional appraisal to establish current value but explained exactly why that was necessary based on our trust's specific provisions.
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Ruby Garcia
Just wanted to update after using taxr.ai for my parents' trust situation. I was hesitant about AI handling complex tax issues, but the analysis was surprisingly thorough. It identified that our trust had non-standard language about basis that could've caused problems. The report explained that our specific trust actually wouldn't qualify for stepped-up basis without additional documentation. It saved us from a potential $62,000 tax mistake! Plus it recommended exactly what documentation we needed for our situation. Definitely worth checking out if you're dealing with trust basis issues.
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Alexander Evans
After helping my sister with a similar trust situation, I can tell you that getting through to the IRS for guidance was a nightmare. We waited on hold for 3+ hours multiple times before giving up. Then I found https://claimyr.com through this video demo: https://youtu.be/_kiP6q8DX5c They basically hold your place in the IRS phone queue and call you when an agent picks up. We got through to an actual IRS representative who confirmed the basis treatment for our trust. We had a similar question about step-up basis with a slightly different trust arrangement, and getting that official confirmation was worth it for peace of mind.
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Evelyn Martinez
•How does this actually work? I'm confused why the IRS would talk to someone else about your tax situation. Don't they need to verify your identity?
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Benjamin Carter
•Sounds like a scam to me. Why would I pay for something I can do myself for free? The IRS eventually answers if you're persistent enough.
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Alexander Evans
•They don't talk to someone else about your situation. The service just holds your place in line and calls you when it's your turn. You're the one who speaks directly with the IRS agent, and yes, you verify your identity yourself. The service just saves you from having to physically wait on hold for hours. When the IRS agent picks up, your phone rings and you're connected directly to them. I was skeptical too until I tried it and got through in my first attempt after weeks of failed calls.
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Benjamin Carter
I have to admit I was completely wrong about Claimyr. After dismissing it as a waste of money, I kept trying to reach the IRS myself about a complex trust basis question. After 6 separate attempts and literally hours wasted on hold, I finally gave in and tried the service. Got a call back in about 90 minutes and spoke directly with an IRS specialist who confirmed that our retained life estate in an irrevocable trust would indeed qualify for stepped-up basis under Section 1014. The peace of mind was absolutely worth it. Sometimes I'm too stubborn for my own good!
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Maya Lewis
One thing nobody has mentioned is that you might want to check if the trust qualifies as a Qualified Personal Residence Trust (QPRT). The tax treatment can be different, and some people confuse IDGTs with QPRTs. The document should specifically state which type it is.
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Mateo Silva
•I've double checked and it's definitely structured as an IDGT, not a QPRT. The documentation explicitly uses the term "intentionally defective grantor trust" and has the typical IDGT provisions. Does that change your thoughts on the tax treatment?
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Maya Lewis
•If it's explicitly an IDGT with the grantor retaining a life estate, then the previous advice is correct. The house should get a stepped-up basis upon your father's death since it will be included in his estate under Section 2036 (retained interests). The basis will be the fair market value at date of death. Keep in mind though that while this provides a tax advantage for capital gains purposes, the value of the house will count toward your father's estate tax exemption amount. Depending on the total value of his estate, this could potentially trigger estate taxes if he's over the exemption threshold.
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Isaac Wright
Has anyone considered the possibility of a 1031 exchange if the trust wants to sell the house but avoid capital gains? Would an IDGT be eligible for that?
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Lucy Taylor
•Yes, an IDGT can do a 1031 exchange since it's treated as a grantor trust for income tax purposes. The grantor is considered the owner for tax purposes, so as long as the new property is also investment property, it should qualify. But the replacement property would also need to be held in the trust under the same terms.
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