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Mortgage rates delivered a harsh blow to the U.S. housing market in September, pushing prospective buyers away and weakening new construction. Fresh data showed falling home sales, declining housing starts and a sharp drop in builder confidence as borrowing costs climbed through the month.
Mortgage Rates Trigger a Dramatic September Freeze
Pending home sales, which track signed contracts for existing homes, dropped 7.3% from August and fell 11.3% compared with September a year earlier, according to the National Association of Realtors. The decline was significantly worse than many economists had expected.
The figures reflect buyer activity during a month when the average 30-year fixed mortgage rate rose quickly. Rates began September at approximately 6.8% and reached 7.6% by the end of the month, according to Mortgage News Daily.
That increase had an immediate effect on affordability. Even households with steady employment and rising incomes faced substantially higher monthly payments, making it harder to qualify for homes or remain within their budgets.
“Although job growth and income gains can support home purchases, housing affordability is more affected by changes in mortgage rates,” Lawrence Yun, chief economist at the National Association of Realtors, said in a release.
Regional Housing Weakness Spreads Nationwide
Pending sales declined across every major U.S. region, but the South and West experienced the most severe monthly setbacks. Sales in the South fell 8.2%, while the West recorded a 9.2% decline.
The South is typically the nation’s most active housing region, making its drop especially significant. The West, meanwhile, remains one of the country’s most expensive markets, where higher mortgage payments can quickly push potential buyers out of the market.
- Pending home sales fell 7.3% from August.
- Sales declined 11.3% year over year.
- The South recorded an 8.2% monthly drop.
- The West posted a 9.2% monthly decline.
Construction Slumps as Builders Face Mounting Pressure
The housing slowdown was also visible in new construction. Housing starts declined 4.56% in September to an annualized rate of 859,000, according to the U.S. Census Bureau. That was the lowest level since September 2025.
Building permits, a key indicator of future construction activity, fell 4% during the month. The pullback suggests that builders are becoming more cautious as elevated financing costs, expensive materials and weaker demand weigh on project planning.
Builders are also using price reductions and incentives to attract buyers. Those measures can help move unsold homes, but they also reduce profit margins and make companies less willing to begin new projects.
“We expect home construction activity to remain moribund into 2027,” Ben Ayers, senior economist at Nationwide Financial, said in a note to investors. He added that single-family housing starts could remain low for much of the coming year as the market adjusts to a higher-rate environment.
Builder Confidence Hits a 14-Year Low
The pressure intensified in October, when homebuilder sentiment fell to its lowest level in 14 years, according to the National Association of Home Builders. Current sales, sales expectations and prospective buyer traffic all weakened.
Buyer traffic reached its lowest point among the three measures, highlighting how mortgage costs are keeping consumers on the sidelines. Although demand has not disappeared, many households are waiting for lower rates, better prices or improved economic confidence before purchasing.
“Housing remains squeezed by supply-side constraints and significant affordability challenges,” Robert Dietz, chief economist at the National Association of Home Builders, said in a release. “Demand persists, but higher mortgage rates, elevated construction costs and weaker consumer confidence are keeping more buyers on the sidelines.”
What the Mortgage Slump Means for Buyers
For prospective homeowners, the latest numbers point to a difficult balance. Fewer buyers may mean less competition in some markets, and builders could offer stronger incentives. However, those potential savings may not fully offset the cost of a higher mortgage payment.
The weakness also carries broader economic consequences. Residential construction supports jobs, materials suppliers, lenders and local businesses. If builders continue delaying projects, the housing slowdown could create a modest drag on overall economic growth.
For now, the market remains caught between persistent housing demand and serious affordability barriers. Unless mortgage rates ease or home prices decline meaningfully, the freeze in sales and construction may continue well into 2027.
Frequently Asked Questions
Why did pending home sales fall in September?
Pending home sales fell as the average 30-year fixed mortgage rate climbed from about 6.8% at the start of September to 7.6% by the end of the month. Higher borrowing costs reduced affordability and kept buyers on the sidelines.
How much did pending home sales decline?
Pending home sales dropped 7.3% from August and declined 11.3% compared with September of the previous year, according to the National Association of Realtors.
What happened to housing starts?
Housing starts fell 4.56% to an annualized rate of 859,000 in September, the lowest level since September 2025. Building permits also declined 4%.
What does lower builder confidence mean?
Lower builder confidence suggests companies are concerned about sales, buyer traffic and future demand. Builders may delay projects, reduce prices or increase incentives to sell existing inventory.
