‘Something big’ just happened in the US housing market, says real estate CEO. And it could mean the difference between being able to buy a house or not

During the post-pandemic housing market, homebuyers enjoyed sub-3% rates, leading to a wave of home buying among younger generations. But over the next few years, the American dream crumbled as mortgage rates and home prices rose, and inflation and wage stagnation set in.

This meant that more US homeowners had mortgage rates below 3% compared to current rates of 6%, creating a lock-in effect where current homeowners refused to give up their low mortgage rates and sell their homes only to turn around and face a much higher mortgage rate.

But now there’s a crack in the lock-in effect: Real estate investor and Reventure CEO Nick Gerli recently said that as of the end of 2025, there are now more homeowners with mortgage rates above 6 percent than borrowers locked into rates below 3 percent, ending one of the most generous eras for home financing in modern history.

“Something big just happened in the US housing market,” Gerli wrote in an X post on Jan. 3, referring to the shift in the share of homeowners with mortgage rates below 3 percent. This means that “the dreaded mortgage rate ‘lock-in’ effect is fading.”

During the lock-in period, millions of existing homeowners with ultra-low rates were financially dissuaded from moving or trading up, meaning buying a more expensive or larger home, which limited the number of homes for sale to potential buyers. This led to bidding wars by younger generations for a limited pool of starter homes and kept many locked out of the market. In fact, the average age of first-time homebuyers has skyrocketed to 40 in 2025, according to the National Association of Realtors, and the share of first-time homebuyers has dropped to a record low of 21%.

“The historically low proportion of first-time buyers underscores the real-world consequences of a housing market starved of affordable inventory,” Jessica Lautz, NAR’s deputy chief economist and vice president of research, said in a statement. “The share of first-time buyers in the market has fallen by 50% since 2007, just before the Great Recession.”

But all that could change, Gerli said, as fewer homeowners have attractive mortgage rates below 3 percent.

“Since more existing owners have a higher rate, that means more have a payment and rate closer to ‘market,'” he explained, “which means there will be more incentive to sell — which is actually good news.” Gerli analyzed Q3 2025 data from Fannie Mae’s mortgage database.

Gerli’s analysis shows that the share of mortgages with rates of 6 percent or higher has risen from about 7 percent in 2022 to about 20 percent by the end of 2025, overtaking the once-dominant group of pandemic-era borrowers with rates below 3 percent. Those pandemic-era loans peaked at nearly 25 percent of all outstanding loans in 2021, the analysis shows, but that share has steadily declined as new buyers take out higher-cost loans and older-generation buyers move or refinance.

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