In most cases, nothing dramatic happens right away. A federal law generally protects heirs from a lender calling the loan due immediately just because ownership changed through inheritance. Heirs can typically keep making payments while deciding what to do, and when the house sells, the remaining loan balance is simply paid off out of the sale proceeds at closing — the same way it would be in any other home sale.
Can the lender demand full payment right away?
Generally no. A federal law known as the Garn-St. Germain Act includes an exemption that protects certain transfers to heirs from triggering a "due-on-sale" clause — meaning a lender can't automatically accelerate and demand full payoff of the loan just because the property passed to an heir. In practice, heirs can typically keep paying under the existing loan terms, sometimes after formally notifying the servicer or being added to the loan's records.
What happens at closing when you sell
The title company or closing agent requests a payoff statement from the lender, pays off the remaining balance directly out of the sale proceeds, and the heir or estate receives whatever equity is left after that payoff. This works the same way whether the estate sells the house through a traditional listing or to a cash buyer.
What if the mortgage balance is close to or more than the house is worth
If the loan balance is near or above the property's current value, there may be little or no equity left after payoff, or the estate may need to work directly with the lender on options. It's worth flagging this with an attorney or the lender early, rather than discovering it only after listing or accepting an offer.
This is general information, not legal or financial advice. An attorney or the loan servicer can confirm exactly how the existing mortgage applies to this specific estate.