The escalating conflict in the Middle East has rapidly transmitted shockwaves through the domestic economy, with the Iran war impact on the U.S. Housing market becoming immediately visible in lending data. Just one day before military strikes commenced, the average rate on a 30-year fixed mortgage stood at 5.99%. As of late March 2026, that figure is hovering around 6.5%, according to tracking data from Mortgage News Daily. This sharp increase has abruptly curtailed what analysts had expected to be a meaningful improvement in housing affordability this spring.
Prior to the escalation, trends were favoring buyers. Mortgage rates had been falling, home price gains were shrinking, and the supply of houses for sale was rising. However, the sudden geopolitical instability has reintroduced inflation concerns and energy price volatility, complicating the outlook for consumers who had been navigating a tight and pricey market for years.
Homes in San Francisco, California, US, on Monday, March 23, 2026.
David Paul Morris | Bloomberg | Getty Images
Mortgage Demand Slumps Amid Rate Hikes
The reaction from potential homebuyers has been swift. As interest rates climbed last week, applications for a mortgage to purchase a home dropped 5% from the previous week, according to the Mortgage Bankers Association. This decline signals a hesitation among consumers who are now weighing the cost of borrowing against a backdrop of global uncertainty. It is not just mortgage rates driving the shift; broader economic anxieties are influencing decision-making.
Zillow had initially forecast a 4.3% gain in sales of existing homes this year compared with last year. While that projection would not have indicated a robust market, it represented a turning point, with 2026 acting as a “reset” year for the industry. However, the modern variables introduced by the conflict have forced economists to reconsider those timelines. Mischa Fisher, Zillow’s chief economist, noted in a report Tuesday that fresh complexity has entered the outlook.
“While that of course would not be a strong market, it would represent a market that had turned a corner, with 2026 acting as a ‘reset’ year,” Fisher wrote. “However, new uncertainty has emerged via energy prices and inflation concerns, adding fresh complexity to our outlook.” Fisher cited the increase in mortgage rates due to heightened inflation concerns and the potential for a slight uptick in the unemployment rate given reduced consumer spending power resulting from higher prices.
Builders Lower Forecasts as Inventory Grows
The effects of the conflict are already hitting the new construction market, where confidence is closely tied to economic stability. After reporting disappointing quarterly earnings Tuesday, KB Home lowered its full-year forecast. The company cited the geopolitical situation as a direct factor in their revised guidance.
“Consumers have been faced with a variety of challenges over the past two years, and the conflict in the Middle East that began at the complete of February has added another layer of uncertainty,” said KB Home Chairman Jeff Mezger on a call with analysts. “Against this backdrop, and taking into consideration that our net orders in the first quarter were below the level we needed to hold our prior full-year delivery guidance, we are lowering our range for the year.” Investors can review the latest KB Home stock data to see the market reaction to the announcement.
Builders now have a very high supply of homes for sale, and inventory on the existing side is rising as well, albeit more in the South and West than in the Northeast and Midwest. Even before the war began, buyers were canceling contracts at the highest rate since 2017, according to a count by Redfin. Roughly 1 in 7 homes, or 13.7% of homes that went under contract in February, were canceled, up from 12.8% a year earlier. Buyers are suddenly holding the upper hand, with more than 600,000 more sellers than buyers in the market, according to Redfin. That is a near-record gap, although it varies widely market to market.
Economic Scenarios and Market Outlook
Economists are now modeling various outcomes based on the duration of the conflict and its economic fallout. Fisher outlined several scenarios regarding home sales performance for the remainder of 2026. If the current scenario only lasted through the end of April, home sales would still rise 3.48% this year compared with last year. If the tension ended by July 1, that gain would drop to 2.33%. If it ended Sept. 1, the gain would be 1.21%.
In a more severe scenario, if mortgage rates stayed 50 basis points higher than their original path and unemployment also rose by 20 bps for the rest of 2026, Fisher forecasts a decline of 0.73%. These models highlight the sensitivity of the housing sector to macroeconomic stability. As the housing market approaches the “best time to sell” season, it sits in a precarious position, caught between long-term improvements and sudden short-term instability.
“As the housing market approaches the ‘best time to sell’ season, it sits in a precarious position, caught between long-term improvements and sudden short-term instability,” wrote Jake Krimmel, senior economist at Realtor.com in a weekly report.
Looking ahead, market participants will be closely monitoring energy prices and federal reserve responses to inflationary pressure. The next confirmed checkpoint for the housing sector will be the upcoming monthly employment report and any further developments in diplomatic channels regarding the Middle East conflict. Stakeholders should remain aware that real estate markets are subject to rapid changes based on geopolitical events.
Disclaimer: This content is for informational purposes only and does not constitute financial, investment, or legal advice. Readers should consult with a qualified professional before making any financial decisions.
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