Assumable Mortgage: How to Take Over a Low Rate

Millions of U.S. homeowners still hold mortgages at rates far below today’s, as the FHFA’s National Mortgage Database shows, and many of those homes will change hands. An assumable mortgage is the one legal way for a buyer to inherit that rate. FHA, VA, and USDA wrote assumption into their programs decades ago; what has changed is the size of the prize.

This guide lays out which loans can be assumed, what the low rate is worth in each of the ten states we cover, how buyers pay the seller for the equity gap, what the fees are next to a new loan, and the step-by-step process with the servicer. First, a short interview on how FHA and VA assumptions work for both sides of the deal.

1. Which Mortgages Are Assumable? Rules by Loan Program

Quick Answer: FHA and VA loans are assumable by any buyer who qualifies, and the original rate carries over. USDA loans are assumable, but usually at a new rate. Conventional loans sold to Fannie Mae or Freddie Mac carry a due-on-sale clause, so a buyer cannot take them over in a sale. To see how each program works from the start, read our guide to how mortgages work.

Before you price the deal, check whether the loan can be assumed at all. The seller’s loan type answers that. The table lines up the four main programs on the points that decide whether an assumable mortgage is even on the table.

The conventional row surprises people. The Garn-St Germain Act lets lenders enforce a due-on-sale clause on almost any transfer, and every standard Fannie Mae and Freddie Mac note has one. The law protects a short list of transfers, such as to a relative after the borrower’s death, to a spouse or child, or under a divorce decree. None of them is a sale to a stranger.

The government programs go the other way. Under HUD Handbook 4000.1, any buyer who passes the standard credit review can assume an FHA loan; our guide to FHA loan requirements covers those standards. Non-veterans can assume VA loans too, as our VA loan requirements guide explains. USDA is the odd one out: the USDA handbook says the assumed rate cannot beat the current market rate, so the low rate usually does not travel, and the income limits in our USDA loan requirements guide still apply.

2. How Much an Assumable Mortgage Saves, State by State

Quick Answer: Taking over a 3% loan instead of borrowing the same balance at 6.5% saves about $257 a month in Ohio, $310 in Texas, $388 in Florida, and $794 in California on the typical home. Over five years that is $15,000 to $48,000 in interest, which is why the DollarVisor loans hub prices every home-loan decision state by state.

The chart models one seller in each of the ten states we cover: they bought a few years ago, still owe about 65% of today’s value, and hold a 3% loan with 25 years to run. The buyer’s choice is to assume that balance or borrow the same amount new at 6.5%, close to where the Freddie Mac weekly average on FRED has sat through 2026.

Two things the chart hides. The savings scale with the balance, so an assumable mortgage matters most where prices are highest and the equity gap is hardest to cover, the tension Section 3 works through. And the assumed loan has 25 years left, not 30, so part of the 6.5% payment is buying five extra years. Even on that unfair comparison, the 3% loan wins everywhere.

3. The Equity Gap: How to Pay the Seller for the Difference

Quick Answer: When you assume a mortgage, you take over the balance, not the price. The seller wants the difference, about $130,000 on the typical U.S. home, in cash at closing. Buyers cover it with savings, a second mortgage on the same home, or seller financing. Even with a second loan at 9%, the blended payment still beats a new 6.5% loan; our guide to how much down payment you need for a house shows where that cash usually comes from.

The equity gap is where most assumable mortgage deals die. In the Section 2 model it is 35% of the price: about $87,000 in Ohio, $106,000 in Texas, $132,000 in Florida, and $271,000 in California. The table shows what happens when a buyer with less cash fills the rest with a second lien.

The second lien is the hard part to arrange. A few lenders now write purchase-money second mortgages for assumptions, using the same structure a piggyback loan uses to avoid PMI, except that the first lien is the seller’s old loan. A home equity loan or HELOC cannot be opened on a home you do not own yet. Seller financing for part of the gap works when the seller can wait for some of their equity, and it belongs in a document drafted by a real estate attorney.

4. What It Costs to Assume a Mortgage vs. Take a New Loan

Quick Answer: Assuming an FHA loan costs up to $1,800 in processing fees and no new upfront mortgage insurance. Assuming a VA loan costs a 0.5% funding fee plus up to $300 in processing, about $1,500 on the typical balance. A new FHA or VA loan on the same home carries $5,900 to $8,000 in upfront government fees, before the lender’s own charges that our guide to closing costs explained breaks down.

An assumable mortgage saves money before the first payment, too. The table prices the government and processing fees to assume the Section 2 balance against the upfront fees on a new loan for the same home. Title, escrow, and recording fees are left out because both paths pay them.

Three sources set these numbers. FHA INFO 2024-30 raised the cap on FHA assumption processing fees from $900 to $1,800 in May 2024. 38 CFR § 36.4313 sets the VA assumption funding fee at one-half of one percent of the balance and caps the processing fee at $300. And the VA funding fee table puts a first-use, zero-down purchase at 2.15%.

One rule catches VA buyers off guard: VA Circular 26-23-10 says the 0.5% fee must be paid in cash at closing and cannot be rolled into the loan. Budget for it alongside the equity gap.

5. How to Assume a Mortgage: The Step-by-Step Process

Quick Answer: To assume a mortgage, confirm the loan is FHA, VA, or USDA and current, agree on a price, apply to the seller’s servicer with the same documents a purchase loan needs, wait for approval, and close by paying the equity gap and the assumption fees. VA servicers must decide within 45 days of a complete package; plan on 60 to 90 days overall. Line up your own pre-approval as a backup in case the assumption is denied.

The process runs through the servicer, not a new lender, and the servicer has no sales incentive to move fast. Here is the sequence that works, in order:

1. Confirm the loan type and that it is current. Ask the seller for their latest mortgage statement and the note. The statement shows the servicer, balance, rate, and remaining term; the note shows whether the loan is FHA, VA, or USDA. A loan behind on payments must be brought current at or before closing.
2. Price the equity gap and prove you can cover it. Purchase price minus balance is the cash the seller needs. Show bank statements for the cash portion and a commitment letter for any second lien. This is where most assumable mortgage deals stall, so settle it first.
3. Apply to the servicer with a full credit package. Expect the same file as a purchase: pay stubs, two years of tax returns, bank statements, and a credit pull, judged against the limits in our guide to debt-to-income ratio.
4. Wait for the decision and watch the clock. A VA servicer with automatic authority must approve or deny within 45 calendar days of a complete package, and a denial can be appealed to VA within 30 days. FHA sets no deadline, so write a 60-day assumption contingency into the contract and chase the file weekly.
5. Close and record the assumption. Pay the equity gap, the processing fee, and on a VA loan the 0.5% funding fee in cash. Sign the assumption agreement, record the deed, and take over the escrow account.
6. Get the seller’s release of liability in writing. Without a formal release, the seller stays on the hook for a loan they no longer control. Section 6 explains why this document matters more than the deed.

Timing is the trade-off. A new loan can close in 30 days, protected by the mortgage rate lock our guide covers. An assumption has no rate to lock, but it can take two to three times as long.

6. The Catches: Entitlement, Liability, and the Seller’s Risk

Quick Answer: The catches in an assumable mortgage fall mostly on the seller. A veteran who lets a non-veteran assume their VA loan loses the use of that entitlement until the loan is paid off. A seller who skips the formal release stays liable for the debt, much like the cosigner in our guide to co-borrower vs cosigner on a mortgage. And an assumed FHA loan keeps paying the seller’s mortgage insurance for the life of the loan.

Buyers focus on the rate. Sellers should focus on what stays attached to them after closing:

• VA entitlement stays tied to the loan. Under VA Circular 26-23-10, an assumption without a substitution of entitlement leaves the seller’s entitlement encumbered until the loan is paid in full. Only an eligible veteran buyer who will live in the home can substitute their own. A veteran seller who wants a VA loan on their next home should price that loss into the deal or hold out for a veteran buyer.
• Liability ends only with a written release. An assumption processed by the servicer includes a release of liability. An informal handoff, where the buyer just starts making payments, does not. The seller stays on the note and the loan stays on their credit report, the same trap our guide to a cosigner release warns about.
• FHA mortgage insurance carries over. The buyer inherits the seller’s annual MIP. On a loan opened with less than 10% down after 2013, that premium runs for the full term and only a refinance removes it, which gives up the rate. Our guide on when to refinance your mortgage has the break-even math.
• The rate is fixed, and so is the term. An assumed loan with 25 years left builds equity faster than a new 30-year loan, but the payment on the shorter term is higher than the same rate over 30 years, and the servicer will not re-amortize it.

7. The Bottom Line

Quick Answer: An assumable mortgage is worth pursuing when the seller’s loan is FHA or VA, the rate is at least two points below today’s, and you can cover the equity gap in cash or with a second lien and still come out ahead. On the typical U.S. home that is $381 a month plus $4,000 to $6,500 less in upfront fees. Skip it when the loan is conventional, the second lien would cost more than 10%, or the seller will not go through the servicer.

Our pick for 2026 buyers: look for FHA and VA listings with 2020 to 2022 loan dates, run the Section 2 and Section 3 math on the real balance, and make the offer contingent on the servicer’s approval within 60 days. Fund the gap before you apply, keep a backup pre-approval, and insist on the release of liability at closing. Veteran buyers should substitute their entitlement; it costs nothing and makes the seller whole.

That is how DollarVisor approaches every home-loan decision: the rules quoted from the agency that wrote them, the math shown line by line, state by state, with no lender paying for placement. The rest of the mortgage path, from pre-approval to payoff, lives in our loans hub.

8. Frequently Asked Questions

1. What is an assumable mortgage?

An assumable mortgage is a home loan a buyer can take over from the seller, keeping the original interest rate, balance, and remaining term. The buyer must qualify with the loan’s servicer and pay the seller the difference between the purchase price and the loan balance. FHA, VA, and USDA loans are assumable; most conventional loans are not.

2. Are conventional mortgages assumable?

Generally no. Conventional loans sold to Fannie Mae or Freddie Mac carry a due-on-sale clause that federal law lets the lender enforce when the home is sold. The law protects a few transfers, such as to a spouse or child or after a death or divorce, but a sale to an unrelated buyer is not one of them. Some adjustable-rate notes allow assumption after the fixed period; read the note.

3. How much does it cost to assume a mortgage?

An FHA assumption costs up to $1,800 in servicer processing fees, with no new upfront mortgage insurance. A VA assumption costs a funding fee of 0.5% of the loan balance, paid in cash at closing, plus a processing fee of up to $300; veterans receiving disability compensation skip the funding fee. Both paths also pay normal title, recording, and escrow charges.

4. Can a non-veteran assume a VA loan?

Yes. Any creditworthy buyer can assume a VA loan with the servicer’s approval, and the rate carries over. The catch falls on the seller: their VA entitlement stays tied to the loan until it is paid off unless the buyer is an eligible veteran who substitutes their own entitlement. Non-veteran buyers still pay the 0.5% assumption funding fee.

5. How long does a mortgage assumption take?

Plan on 60 to 90 days. A VA servicer with automatic authority must approve or deny within 45 calendar days of receiving a complete application, and a denial can be appealed to VA within 30 days. FHA has no fixed deadline, so buyers should write a 60-day assumption contingency into the contract and keep a backup pre-approval for a new loan in case the servicer says no.