By The Chipkie Team, Personal Finance Editorial Team · Last updated 30 August 2026
If your parents want to help you buy a home in 2026, the single most important decision you will make is not how much they give you — it is how the money is documented. A secured family loan, properly papered and recorded against the property, is one of the few borrowed-money structures a mortgage lender will actually accept toward a down payment. An informal transfer with a handshake and a vague expectation of repayment is not, and getting this wrong can sink your loan approval at the underwriting table or, worse, expose you to a fraud allegation.
Here is how the structure works, where families go wrong, and what the rules genuinely require.
Key Takeaways
- Under the Fannie Mae Selling Guide (B3-4.3-15) and FHA rules, an unsecured personal loan — including an informal loan from relatives — is not an acceptable source of down payment funds. This is a source-of-funds prohibition, not just a debt-to-income issue.
- Borrowed funds may be used for a down payment only if they are secured against an asset, typically via a note and a second lien recorded behind the first mortgage at a reasonable interest rate.
- Signing a gift letter when the family in fact expects repayment is mortgage fraud, even when nobody intended anything dishonest.
- The IRS gift tax annual exclusion is $19,000 per recipient per giver in 2026, and the lifetime gift and estate tax exemption is $15,000,000 per individual following the One Big Beautiful Bill Act.
- Undocumented family money is presumed by many courts to be a gift — which is exactly why it disappears into a divorce settlement or an estate fight.
What exactly is a secured family loan, and how does it differ from a gift?
A secured loan from relatives is money advanced under a written promissory note, with repayment obligations, and backed by collateral — usually the home being purchased. The lien is recorded in the county land records. A gift, by contrast, carries no repayment expectation and no security interest. The paperwork, not the intention, is what determines which one you have.
The practical differences:
| Feature | Gift | Secured family loan |
|---|---|---|
| Repayment expected | No | Yes, per the note |
| Recorded against the home | No | Yes — second lien |
| Acceptable as down payment source | Yes, with a gift letter | Yes, if properly secured |
| Counts in borrower’s DTI | No | Yes — payment is included |
| Recoverable in a divorce or estate dispute | Rarely | Yes, as a documented debt |
| Possible IRS gift tax filing | Form 709 if over the exclusion | No gift, but interest rules apply |
Why will a lender refuse an informal family loan for a down payment?
Because it is prohibited at the source-of-funds level. Fannie Mae’s Selling Guide and FHA underwriting rules both bar unsecured borrowed money from being used for a down payment or closing costs. It is not a matter of the payment squeezing your debt-to-income ratio — the funds themselves are ineligible, and an underwriter who spots them will condition or deny the loan outright.
What underwriters actually look for:
- Large deposits. Any unsourced deposit into your bank account within the 60-day statement window will be flagged and must be explained with a paper trail.
- Recent liabilities. Credit report inquiries and new tradelines are re-pulled shortly before closing.
- Contradictory documents. A gift letter that conflicts with a text message, an email, or a family loan agreement produced later is a serious problem.
Our experience with the agreements families create tells the same story repeatedly: the money moves first, the documentation gets improvised second, and the mismatch surfaces during underwriting. The Consumer Financial Protection Bureau and HUD both publish guidance on acceptable funds for closing; read it before the wire is sent, not after.
What happens if you sign a gift letter but the money is really a loan?
That is mortgage fraud. A gift letter is a written declaration to a federally regulated lender that the money is a gift with no expectation of repayment. If your family expects to be repaid, the letter is false. It happens constantly, and rarely with malicious intent — but a false declaration can trigger loan acceleration, denial, or federal prosecution.
How do you structure a registered second mortgage from family correctly?
You document the loan as a note secured by a second lien on the property, recorded in the county, and you disclose it to your first-mortgage lender up front. A registered second mortgage from family members is a legitimate, well-trodden structure — but it must exist on paper before closing, not after.
- Tell your loan officer first. Disclose the intended structure before you apply. Some programs and some first-lien lenders will not permit subordinate financing at all; better to know in week one.
- Draft a written promissory note. Principal, interest rate, payment schedule, maturity date, default terms, and what happens if the borrower dies or divorces.
- Charge at least the applicable federal rate. The AFR is the minimum interest rate the IRS publishes monthly for family and other below-market loans. Charge less and the IRS may impute interest to the lender. The AFR changes every month — check the current month’s published rate at IRS.gov rather than relying on a number you read somewhere. Our guide to setting a fair interest rate on a family loan walks through the reasoning.
- Prepare a deed of trust or mortgage. Whichever instrument your state uses, it names the parent as beneficiary and records their lien position.
- Record it, and sign a subordination agreement. The family lien must sit behind the institutional first mortgage. Your escrow or title company handles the recording.
- Expect the payment in your DTI. The scheduled payment counts against your borrowing capacity — plan the purchase price around that.
Two nuances most articles miss. First, some family lenders record the lien but never require payments; underwriters may still add an imputed payment to your ratios. Second, in the nine community property states — California, Arizona, Texas, Nevada, Washington, Idaho, Louisiana, New Mexico and Wisconsin — a borrower’s future spouse may acquire an interest in the home. A recorded lien protects the parent’s capital regardless of who the child later marries.
What are the tax, divorce, and evidentiary consequences?
A recorded, documented loan is a debt in every forum that matters: the IRS, a divorce court, and probate. An undocumented transfer is exposed to the gift or loan presumption, where courts frequently treat unwritten family money as a gift because no contemporaneous evidence proves otherwise. Documentation is the entire difference.
Gift tax. If the parents genuinely intend a gift rather than a loan, the annual exclusion is $19,000 per recipient per giver in 2026, so two parents can give one child $38,000, or $76,000 to a married couple, without any filing. Exceed that and a Form 709 gift tax return is required — which draws down the $15,000,000 lifetime exemption rather than creating a tax bill for most families.
Divorce. A family loan in a divorce settlement is only respected as a marital debt if it looks like a real loan: a written note, a recorded lien, and ideally a record of payments. Absent that, the “loan” is commonly recharacterized as a gift to the couple and split.
Enforceability. Statutes of limitations on written contracts run roughly four to ten years depending on the state, and a demand note with no maturity date can start that clock earlier than families expect. See our explanation of how courts settle gift versus loan disputes, and how the same principles apply to a secured car loan within a family.
Can my parents lend me the down payment and just not tell the lender?
No. Withholding a repayment obligation from a mortgage lender, or signing a gift letter that conceals it, is a material misrepresentation on a federally related loan application. Underwriters review bank statements, pull credit twice, and audit files after closing. The correct path is disclosure plus a properly secured, recorded loan.
Does a recorded family lien hurt my mortgage approval?
It affects it, but honestly. The scheduled payment counts toward your debt-to-income ratio, and the combined loan-to-value may push you into different pricing or mortgage insurance requirements. That is a legitimate underwriting outcome. Concealment is not an alternative — it is fraud with lifelong consequences.
What interest rate should a family loan charge?
At minimum the applicable federal rate for the month the loan is made and its term. Below that, the IRS may impute interest income to the lender. The AFR is republished monthly, so confirm the current figure directly with the IRS before signing rather than copying a rate from an older document.
Do the parents need to be on the title?
No. A lien holder is not an owner. Securing the loan against the property gives parents a recorded claim on sale proceeds without co-ownership, without joint and several liability on the first mortgage, and without the debt anchoring their own future borrowing capacity.
What should you do next?
Talk to your loan officer before any money moves, then get the note drafted, the lien prepared, and the subordination agreed with your title company. Doing it in that order is the difference between a clean closing and a denial three days before your contract deadline.
If your family is helping with a down payment this year, put the terms in writing first — you can create a clear, written family loan agreement with Chipkie in minutes and give your attorney and lender the documentation they will inevitably ask for. Handled properly, a secured loan between relatives protects the parents’ capital, keeps the borrower honest with their lender, and keeps the family out of court a decade from now.
Disclaimer: The information provided in this article is for informational purposes only and should not be considered financial or legal advice. Laws and lending criteria vary significantly between states. We always recommend consulting with a qualified real estate attorney and financial advisor before entering into a property purchase or financial arrangement with another party.
