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Grant vs forgivable vs deferred vs repayable
Two programs can offer identical dollars and leave you in completely different financial positions. The structure is what matters.
When buyers compare assistance programs they almost always compare the amount. The amount is the least important variable. A programme's structure decides whether you owe anything, whether your monthly payment goes up, and what happens if your life changes in three years.
Side by side
| Monthly payment added? | Repaid? | Lien on the home? | Main risk | |
|---|---|---|---|---|
| Grant | No | No | Usually none | Scarcity — few true grants, often small |
| Forgivable second | No | Only if you leave early | Yes | Moving or refinancing before forgiveness completes |
| Deferred second | No | Yes — at sale or refinance | Yes | It reduces your proceeds later; check for accruing interest |
| Repayable second | Yes | Yes — monthly | Yes | Lowers the price you qualify for; two payments to carry |
Grants
A true grant transfers money with no repayment obligation and no lien recorded against the property. They are the cleanest outcome and the hardest to find, because the funding has to come from somewhere that never expects it back — typically a limited state allocation, a lender-funded programme, or an employer scheme.
Watch the language. "Grant" is used loosely in marketing. If it is genuinely a grant, nothing is recorded against your title and nothing appears on your closing disclosure as a second lien. If a second lien is being recorded, it is not a grant — whatever the brochure says.
Forgivable second mortgages
The most common meaningful form. A second loan is recorded against the home, carries no monthly payment, and is written off over a defined period — often somewhere between five and ten years, though the term is set entirely by the agency and must be read on its own page. Some forgive in equal annual slices; others forgive nothing until the final day, then forgive the lot.
That difference is worth real money. Under a straight-line schedule, moving halfway through leaves you owing roughly half. Under a cliff schedule, moving one month early can leave you owing all of it.
- Ask: how long is the forgiveness term?
- Ask: does it forgive gradually or all at the end?
- Ask: does refinancing trigger repayment, or only selling? Refinancing often does.
- Ask: what counts as moving out — renting a room, a work relocation, a marriage?
Deferred second mortgages
No monthly payment, but the balance is genuinely owed. It comes due when you sell, refinance, or finish paying the first mortgage. From a monthly-budget perspective it behaves exactly like a forgivable second; from a net-worth perspective it behaves like a debt that sits quietly until the day you cash out.
The detail that catches people: whether interest accrues during the deferral, and whether the agency takes a share of appreciation instead of interest. Both are legitimate structures. Both change what you walk away with.
Repayable second mortgages
You get the cash and you repay it monthly, usually at a fixed rate, alongside your first mortgage. This is the only structure that reduces your buying power, because lenders count that second payment inside your debt-to-income ratio — the same ratio that decides your maximum loan. Under FHA guidelines, total housing costs are limited to roughly 31% of gross monthly income and all debts to 43% (FHA Single Family Housing Policy Handbook 4000.1 (HUD)).
The trade-off in one line: a repayable second buys you time (you stop saving and start owning sooner) at the cost of price (the extra payment shrinks the loan you qualify for). Whether that is a good deal depends on how fast prices and rents are moving where you are buying — not on the size of the assistance.
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Run my affordability estimate →How to compare two real offers
- Identify the structure first, from the agency's own document, not the lender's summary.
- Convert everything to a monthly figure. A repayable second's payment goes into your budget; a forgivable one does not.
- Write down the exit cost at year 3 and year 5 — what would you owe if you had to move? This is the number that decides real outcomes, and almost nobody calculates it.
- Check the strings. Occupancy, resale restrictions, and shared appreciation all survive long after closing day.
- Only then compare the amounts.
Sources
Debt-to-income and loan-level requirements: FHA Single Family Housing Policy Handbook 4000.1 (HUD). Neutral explanations of mortgage types and closing paperwork: CFPB — loan options. Free help reading a specific programme's terms: HUD-approved housing counseling agencies.
Frequently asked questions
Which type of down payment assistance is best?
The one whose conditions you can live with. A forgivable second is usually the strongest combination of no monthly payment and no long-term debt, provided you are confident about staying past the forgiveness period. If you may move sooner, a smaller grant or a deferred second can be safer.
Does a repayable second mortgage reduce how much house I can afford?
Yes. Its monthly payment is counted in your debt-to-income ratio, which is the constraint that sets your maximum loan size, so the price you qualify for falls.
What happens to a forgivable second mortgage if I refinance?
In many programs refinancing triggers repayment of the outstanding balance, just as selling would. Some agencies allow a subordination instead. This is programme-specific and must be confirmed in writing before you refinance.
Educational information, not advice. DPA Calculator is an independent publisher — not a lender, broker, or government agency. Nothing here is a loan offer, a pre-approval, or an eligibility determination. Program rules are set solely by each housing finance agency and change often. Confirm with the agency and a licensed loan officer or a HUD-approved housing counseling agencies before deciding.