When the bond market sneezes, anything can catch a cold. Its recent bug has not left the housing market unscathed. Domestic homebuilding buckled in July, showing the stress transmitting directly through mortgage rates.
Total residential starts fell 12.4% from June to a 1.239 million annualized pace, missing the 1.35 million rate economists polled by Reuters expected. Single-family starts, the core of the for-sale market, dropped 9.9% to 808,000, the weakest since November 2022, and were down 15.7% from a year earlier.
The connection is simple. Mortgage lenders price long-term fixed loans against long-dated Treasuries, so mortgage-backed securities can compete with government bonds.
When Treasury yields rise, the 30-year mortgage rate follows. At 6.67% to 6.77%, borrowing costs remain near their highest levels in more than a year, while home prices sit near records.
"The highest mortgage rates of the year hit right in the middle of summer, and that’s pulling back contract signings," National Association of Realtors Chief Economist Lawrence Yun said in a statement. "Home prices are at record highs so houses for sale are sitting on the market longer."
The Limits of Intervention
The monthly deficit reached $432 billion in July, while the national debt crossed $40 trillion. Sticky services inflation, elevated energy costs and the Iran war have all helped solidify a floor under long-term yields.
After the 30-year Treasury yield climbed above 5.3%, Treasury Secretary Scott Bessent announced a doubling of long-dated debt buybacks. The move helped mechanically lower yields and improve trading conditions, but analysts said it did not solve the underlying problem.
"The buybacks improve market functioning but don’t address the underlying reasons long yields have risen: heavy government borrowing, fiscal uncertainty, persistent inflation risks and growing competition for capital," Daniela Hathorn, senior market analyst at Capital.com, said according to Newsweek.
Kara Ng, a senior economist at Zillow, made the housing link explicit.
"Mortgage borrowers should remember that while Treasury yields were mechanically pushed down, the underlying forces behind their rise—the government deficit, oil shock, and AI debt—haven’t faded," she noted.
Homebuilders Tap Brakes as Pipeline Shrinks
Builders are reacting by preserving optionality rather than committing capital. Overall permits rose 5% to 1.443 million, while single-family permits increased 2.5% to 894,000. But groundbreakings fell.
"Builders are pulling permits and deciding not to break ground," KPMG wrote. "With rates near a one-year high and costs climbing, a permit represents optionality, not a commitment."
Residential building material prices excluding energy rose 5% from a year earlier, the fastest annual pace since December 2022. Builder sentiment, at 35, remains well below the neutral 50 line. Incentives have become the industry’s shock absorber: 63% of builders used them, while 35% cut prices at an average discount of 6%.
"Until mortgage rates decline and allow builders to unload currently completed homes or those under construction, we expect home builders to remain hesitant to make significant investments in new projects," Nationwide Senior Economist Ben Ayers said per Reuters.
Berkshire’s Value Play
Yet, homebuilder transactions will enter history as Greg Abel’s first major deal after succeeding Warren Buffett at the helm of Berkshire Hathaway.
The $6.8 billion acquisition of Taylor Morrison wasn’t the only transaction in the sector, as Abel disclosed a new stake in D.R. Horton (NYSE:DHI) and increased Lennar (NYSE:LEN). Both of these stocks have recently underperformed the State Street S&P Homebuilders ETF (NYSE:XHB), with Lennar down more than 34% over the last 12 months.
"There’s certainly value there," Jamie Meyers of Laffer Tengler Investments said according to Morningstar, while Bloomberg Intelligence analyst Drew Reading said the industry "has really been beaten down," explaining it comes down to scale.
"When a builder has scale, they’re able to get better access to land," Reading noted, adding that large builders can secure labor and purchasing discounts. Smaller builders and investors face higher bridge financing costs and weakening sentiment.
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