Selling house to family member - tax implications and avoiding closing costs
I'm looking to sell my house to my sister and we're trying to figure out the best approach. The house is worth around $335k, and I still owe about $200k on the mortgage. She's suggesting that she transfer me the $200k to pay off the mortgage completely, which would make it easier for me to transfer ownership to her (with proper legal help of course). This would apparently help her avoid some of the hefty closing costs. She'd also pay me the remaining $135k difference for the equity I have. I'm wondering if this arrangement is legitimate from a tax perspective? Are there gift tax concerns I should be aware of? And are there any other potential issues with this approach? Trying to help my sister out but don't want either of us to get in trouble with the IRS or create legal headaches down the road.
27 comments


Nalani Liu
This approach could work, but there are several tax and legal considerations you should be aware of: First, selling to a family member doesn't exempt you from capital gains taxes. You'll still need to report the sale and may owe taxes on any profit if you've lived in the home less than 2 of the last 5 years as your primary residence. If you've lived there longer and your profit is under $250k (single) or $500k (married), you might qualify for the primary residence exclusion. The gift tax concern is actually minimal here since you're receiving fair market value for the property. This is a sale, not a gift, as long as the $335k total is reasonably close to market value. If you sell significantly below market value, the difference could be considered a gift from you to your sister. One issue to watch for is mortgage fraud - some lenders prohibit "straw purchases" where someone pays off a loan to help another person acquire property. Review your mortgage terms to ensure this approach doesn't violate any agreements.
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Thais Soares
•Thank you for the detailed response! I've actually lived in the house for almost 6 years as my primary residence, so it sounds like I should be safe from capital gains tax with the exclusion you mentioned. What documentation would you recommend keeping to prove this was a legitimate sale at fair market value? Should we get an official appraisal?
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Nalani Liu
•Yes, getting an official appraisal is an excellent idea. This establishes the fair market value and helps demonstrate this was a legitimate transaction. Keep all documentation related to the sale, including the appraisal, purchase agreement, and proof of funds transfers. I'd also recommend working with both a real estate attorney and a tax professional who can guide you through the process specific to your state. Some states have transfer taxes that might still apply, and you'll want to ensure the deed is properly transferred and recorded. The attorney can also help prepare a proper purchase agreement that documents the terms of your arrangement.
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Axel Bourke
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Aidan Percy
•Did they help with the actual legal paperwork too? Or just the tax side of things? I'm wondering because I might be in a similar situation with my parents' lake house soon.
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Fernanda Marquez
•Seems too good to be true. How much did this service cost you? I've looked into similar things and they usually charge an arm and a leg for what you could figure out yourself with a few hours of research.
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Axel Bourke
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Aidan Percy
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Norman Fraser
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Kendrick Webb
•Wait, how does this even work? Are they somehow jumping the line at the IRS? That seems sketchy.
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Hattie Carson
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Norman Fraser
•It's not about "jumping the line" - they use technology that continuously calls and navigates the IRS phone system for you. When a human agent finally answers, it notifies you and connects your call. Completely legitimate and transparent. The reason everyone isn't using it is simply because not everyone knows about it yet. It's a relatively new service that's growing by word of mouth. Nothing sketchy about it - they're just solving a real problem that millions of taxpayers face every year.
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Hattie Carson
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Destiny Bryant
One thing to consider in your situation - make sure you're documenting EVERYTHING and handling the title transfer properly. My friend tried a similar arrangement with his cousin, thinking they could just "handle it between them" without proper legal documentation. Ended up in a nasty dispute later when the cousin claimed different terms than what they had verbally agreed to. Get everything in writing, use proper legal channels for the title transfer, and make sure all money transfers are well documented. A few thousand spent on proper legal help now can save you tens of thousands and family relationships later.
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Dyllan Nantx
•So true. My neighbor did something similar with her brother and it was a nightmare. After they did the transfer, her brother couldn't get homeowners insurance because the title work wasn't done properly. They ended up having to redo everything properly with attorneys which cost WAY more than if they'd just done it right the first time.
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Destiny Bryant
•Exactly. The money saved by cutting corners on legal help almost always ends up costing more in the long run. It's also worth checking with your county recorder's office about proper deed recording requirements. Some states have specific forms and processes for transfers between family members. And don't forget about property tax implications - in some jurisdictions, a title transfer can trigger a property tax reassessment that might significantly increase the annual property taxes.
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TillyCombatwarrior
Has anyone mentioned mortgage interest deduction yet? If your sister is taking over payments but the loan is still in your name, there could be issues with who gets to claim the mortgage interest deduction on taxes. IRS generally allows the deduction for whoever is legally obligated to pay the loan AND actually makes the payments.
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Anna Xian
•Great point! This tripped up my parents when they did something similar. The mortgage company won't issue the Form 1098 (mortgage interest statement) to someone who isn't on the loan. So if the sister is making payments but OP's name is on the loan, the 1098 will still go to OP even though sister is the one who should get the tax deduction.
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Keisha Johnson
Another important consideration is whether your sister will be able to qualify for a new mortgage in her name after the transfer. Even though she's paying off your current mortgage, she might want to refinance later to get better terms or access equity. If the property transfer affects her debt-to-income ratio or if there are any title issues from the way you structure this transaction, it could make it harder for her to get financing down the road. Some lenders are also wary of properties that have been transferred between family members recently, as they worry about potential fraud or undisclosed liens. I'd recommend having her speak with a mortgage broker or lender beforehand to understand how this transaction might affect her future financing options. They can also advise on the cleanest way to structure the transfer to avoid any red flags in their underwriting process.
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William Rivera
•This is such an important point that often gets overlooked! I've seen situations where family transfers created complications years later when someone needed to refinance or sell. One thing to add - if your sister plans to use this as her primary residence, she should also check if she'll still be eligible for first-time homebuyer programs or other benefits in the future. Some of these programs have restrictions if you've previously owned property, even through a family transfer. Also worth noting that some mortgage companies require seasoning periods (usually 6-12 months) before they'll refinance a property that was recently transferred between family members. Having all the proper documentation from the original transaction will be crucial if she ever needs to prove the legitimacy of the transfer to future lenders.
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AstroAdventurer
One more tax consideration that might affect your situation - make sure you understand the stepped-up basis rules. Since you're selling to your sister at fair market value rather than gifting or leaving the property through inheritance, she'll take your original cost basis in the property rather than getting a "stepped-up basis" to current market value. This means when she eventually sells the house, her capital gains will be calculated from whatever you originally paid for it plus any improvements, not from the $335k she's paying you now. Depending on how long you've owned the property and what you paid originally, this could result in a significant tax bill for her down the road. You might want to factor this into your pricing discussion - some families adjust the sale price slightly to account for the future tax burden the buyer will inherit. It's definitely worth running the numbers with a tax professional to see how this might impact both of you long-term.
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Sergio Neal
•This is a really important tax consideration that I hadn't thought about! So if the original poster bought the house for say $200k several years ago, and now sells it to their sister for $335k, the sister's basis would be $200k, not the $335k she paid? That could mean a huge tax hit for the sister if she sells later - potentially owing capital gains on $135k more than expected. Definitely seems like something worth discussing with a tax professional before finalizing any sale price. Thanks for bringing this up!
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Mikayla Davison
•Actually, I think there might be some confusion here about the stepped-up basis rules. When you purchase property from a family member at fair market value, your cost basis is typically what you paid for it, not the seller's original basis. So if the sister pays $335k for the house, her basis should be $335k, not whatever the original poster initially paid. The stepped-up basis limitation you're thinking of usually applies to gifts or below-market-value sales between family members, not legitimate arm's-length transactions at fair market value. That said, the IRS does scrutinize family transactions more closely, which is why getting that official appraisal is so important. It helps establish that the $335k price is truly fair market value and not some artificial number that could trigger gift tax rules or basis adjustments. Still worth confirming with a tax professional though, as there can be nuances depending on how the transaction is structured and documented.
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Aisha Khan
Don't forget about state-specific considerations! Different states handle property transfers between family members very differently. Some states have documentary stamp taxes or transfer taxes that apply even to family sales, while others have exemptions. Also, if you're in a community property state, there might be additional rules about how the ownership transfer needs to be documented, especially if either of you are married. Your state might also require specific disclosures even for family transactions - California, for example, requires a Transfer Disclosure Statement even between relatives. I'd strongly recommend checking with your state's department of revenue or a local real estate attorney who knows your state's specific requirements. What works in one state might create problems in another, and the last thing you want is to find out after the fact that you missed a required filing or tax payment.
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Yara Nassar
•This is such a crucial point that often gets overlooked in family property transfers! I learned this the hard way when I helped my cousin with a similar transaction a few years ago. We focused so much on the federal tax implications that we completely missed our state's documentary stamp tax requirements until the very last minute. In our case, the state required us to file specific forms and pay transfer taxes within 30 days of the sale, regardless of it being a family transaction. We almost faced penalties because we didn't realize this until we went to record the deed. The county clerk's office was actually really helpful in explaining what we needed to do, but it would have been much easier if we'd known upfront. @b6ca316eeb5f is absolutely right about checking with local authorities early in the process. Even if you think you're exempt from certain requirements because it's a family sale, it's worth double-checking rather than assuming. Some states also have different rules for transfers involving outstanding mortgages, which could definitely apply to your situation.
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Anastasia Fedorov
One additional consideration that could significantly impact your situation - make sure to check if your current mortgage has a "due on sale" clause. Most conventional mortgages include language stating that the full loan balance becomes immediately due if you transfer ownership without the lender's permission, even to family members. While many lenders don't actively enforce this for family transfers, especially when payments continue to be made on time, it's still a contractual obligation. Some lenders might require your sister to formally assume the loan or could potentially call the loan due if they discover the transfer. I'd recommend contacting your mortgage servicer to discuss your plans and see what options they offer for family transfers. Some lenders have specific programs for transferring mortgages to relatives, while others might require your sister to qualify for assumption of the existing loan. Getting their blessing upfront could save you from potential complications later. Also, don't forget to notify your homeowner's insurance company about the ownership change. The policy will need to be updated to reflect your sister as the new owner, and there might be timing requirements for when this needs to happen relative to the property transfer.
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Ethan Brown
•This is absolutely critical advice! The due-on-sale clause is something that could really complicate your plans if not handled properly. I've seen situations where families thought they were all set with their property transfer, only to have the lender demand immediate payment of the full loan balance months later. Even if your lender doesn't typically enforce this clause for family transfers, it's much better to be transparent upfront rather than hope they don't notice. Some lenders are actually quite accommodating with family situations and might offer solutions like allowing your sister to assume the loan at the current interest rate, which could be beneficial if rates have gone up since you got your mortgage. The insurance point is also really important - there's usually a narrow window where you need to update the policy after transfer, and if something happens to the property during a gap in coverage, it could be a financial disaster. I'd suggest coordinating the timing of the deed transfer, mortgage notification, and insurance updates all on the same day if possible to avoid any coverage gaps.
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