In an assumption, the buyer takes over the seller's existing loan payments instead of paying off that loan and getting a new one. Fannie Mae's homeowner resources describe it as a process in which the servicer evaluates the new borrower's finances and credit before the new borrower takes over the payments, so it is an approval process, not an automatic transfer.

Buyers look at assumptions because the existing loan's terms may differ from the terms on new loans available today. That is a reason to compare options, not a reason to assume the existing loan is the better deal, and my guide to pre-approval vs pre-qualification explains how to get your own numbers before you compare.

The loan balance is only part of the purchase price. When a home sells for more than what is owed on it, the buyer still needs a way to cover the difference, such as cash or other financing if the loan program and lender allow it, so it is worth asking about this early. For illustration only, if a home sells for $500,000 and the existing loan balance is $350,000, the buyer would still need a way to cover the $150,000 difference. Whether an assumption makes sense also depends on how it compares with a new loan, including costs and timeline, so compare the options side by side before you commit.

On conventional loans, Fannie Mae's homeowner resource page says conventional fixed-rate loans may only be assumed in the special situations it describes. In other words, a buyer should not expect to assume a conventional fixed-rate loan in an ordinary sale.

Whether any specific loan can be assumed depends on its loan documents and the servicer. The fastest way to get a reliable answer is to ask the servicer directly and get the answer in writing.

For FHA loans, HUD publishes the Single Family Housing Policy Handbook 4000.1, which includes sections on assumptions. An older HUD handbook chapter on assumptions states that FHA-insured mortgages are assumable and that, for mortgages closed after December 15, 1989, the lender evaluates the buyer's creditworthiness.

That chapter has a change date of March 24, 2011, so treat it as background and confirm the current requirements with the servicer. In practice, an FHA assumption is a qualification process, and the servicer can tell you what documents it will want.

For VA loans, the VA Home Loan Guaranty Buyer's Guide (April 2022 version) says anyone, even a non-veteran, can assume a VA loan, but that assumption requires servicer approval and in some instances VA approval. It also says servicers check the buyer's credit and income, and that the funding fee on an assumption, unless exempt, is 0.5 percent, a rate that VA's funding fee page also lists.

The guide explains that when a non-veteran assumes a VA loan, the seller's entitlement remains with the loan, while an eligible veteran can substitute their own entitlement, which allows VA to restore the seller's entitlement. For a veteran seller, that affects the ability to use a VA loan again, so it is worth asking about before agreeing to anything.

Other loan programs have their own rules, so ask the lender before assuming anything. If you are exploring VA financing more broadly, my guide to VA home loan buyers near Nellis AFB covers the VA process.

These are practical suggestions, not requirements. Ask the servicer whether the loan can be assumed, what the buyer must submit, what fees apply, how long the review takes, whether the seller would be released from liability, and how the difference between the price and the loan balance would be covered.

The release question matters most to sellers. According to Fannie Mae, an existing borrower generally will not be released from liability by the servicer unless the new borrower qualifies after a financial and credit evaluation, so a seller should find out how that works for their loan before agreeing to a sale built around an assumption.

An assumption can affect the financing terms and the timeline in a purchase contract, so review the agreement with your agent. My guide on how to read a Nevada purchase agreement explains the key terms, and my guide to closing costs in Nevada covers costs to plan for.

I am a real estate agent, not a lender or an attorney, and this guide is general information, not financial advice or advice from an attorney. A lender, servicer, or attorney can answer questions about a specific loan, and nothing here means an assumption is available or advisable for any particular home.

If you are moving to the valley, my Las Vegas Valley relocation checklist covers the wider picture. If you are selling, my Las Vegas and Henderson seller guide covers that side.