The Scale of Upcoming Mortgage Resets
Thousands of homeowners holding adjustable-rate mortgages (ARMs) are confronting significant interest rate resets that threaten to increase monthly housing expenses by hundreds or even more than $1,000, according to data from ICE Mortgage Technology cited by CNBC. A total of 150,000 borrowers are scheduled to experience their first interest rate adjustments this year, with an additional 186,000 facing their initial resets in 2027 and 155,000 doing so in 2028. Out of the 2026 total, approximately 64,000 borrowers were scheduled for their initial rate adjustments between August and December.
Although ARMs constitute a relatively minor share of the broader U.S. housing finance market—representing roughly 5.6% of the 55.4 million active mortgages nationwide, according to ICE figures—the total volume of outstanding ARMs has reached 3.1 million, marking its highest level in 5.5 years. Of that total, 2.05 million loans remain within their initial fixed-rate periods, while 1.05 million have transitioned into their adjustable phases. Complementary parcel-level data from the DealMachine ARM Exposure Index indicates that approximately 9.86 million U.S. properties carry at least one adjustable-rate mortgage when tracking open recorded loans across county records, illustrating a broader underlying footprint of variable-rate debt across regional housing markets.
Pandemic-Era Borrowers and Payment Shocks
The financial pressure is heavily concentrated among borrowers who secured loans during the pandemic-era low-rate environment. Seven-year ARMs originating in 2019 that face their initial resets between August and December carry a median initial rate of 3% and a median unpaid balance of $548,000, according to ICE data. Based on prevailing market rates and contractual caps, those homeowners face a median adjusted rate of 6.06%, translating to a median monthly payment increase of $1,080. Similarly, 24/7 Wall St. reports that households holding seven-year ARMs taken out in 2020 face median monthly payment jumps of $1,066, or 36%, when their rates reset in 2027, adding nearly $12,800 a year in extra housing costs for a cohort already absorbing higher insurance and property tax bills.
Laurie Goodman, fellow and founder of the Housing Finance Policy Center at the Urban Institute, noted that borrowers originally traded lower introductory rates for the risk of rising interest rates. "Basically, when you took out that adjustable-rate mortgage, you got a little bit lower rate in exchange for the possibility that rates could rise and you could be adversely affected," Goodman said. "Well, unfortunately that scenario happened."
Geographic concentration further magnifies these pressures in high-cost housing states. According to the DealMachine index, California leads the nation in total ARM properties with 1,262,699 units, followed by Florida with 715,630, Pennsylvania with 519,212, and North Carolina with 504,298. By share of parcels, Connecticut ranks highest at 12.47%, closely followed by the District of Columbia at 11.83% and Virginia at 11.55%. Expensive housing markets form the common thread where borrowers relied on lower introductory starting rates to manage outsized initial loan balances.
Options and Market Implications
Borrowers navigating impending resets generally face three choices: absorbing the higher monthly payment, refinancing into a fixed-rate loan, or selling the property. Federal regulations require lenders to notify borrowers between 210 and 240 days before the first adjusted payment is due, with a secondary notice following 60 to 120 days prior to the payment change. Kate Wood, a lending expert with NerdWallet, pointed out that refinancing secures a fixed rate but locks in higher borrowing costs, whereas riding out the adjustable period requires sufficient financial buffer.
Concurrently, private mortgage insurers are monitoring rising delinquencies, with firms like Essent Group and MGIC Investment reporting modest increases in default and primary delinquency rates driven by broader credit normalization trends. MGIC noted its primary delinquency rate rose to 2.37% from 2.21% a year earlier, while Essent observed its default rate climbing to 2.53% from 2.12% alongside an increase in claim severity. Nevertheless, housing analysts emphasize that widespread pre-foreclosure distress remains statistically low, with DealMachine tracking pre-foreclosures at just 0.06% of ARM properties as broad home equity buffers—where 56% of ARM holders retain at least 50% equity—help cushion the immediate transition for the majority of affected homeowners.

