US construction spending tumbles in September

November 2, 2026 10:35 AM EST

Construction workers cast their shadows on the side of a building amid a hot day in downtown San Diego, California, U.S., August 6, 2026. REUTERS/Mike Blake

WASHINGTON, Nov 2 (Reuters) - US ‌construction spending ​tumbled ​in September, nearly reversing the prior month's upwardly revised jump, likely because high materials costs ‌depressed outlays on residential renovation projects.

The Commerce Department's Census ⁠Bureau said on Monday that construction spending fell 1.9% after an ‌upwardly revised 2.0% increase ‌in August. Economists polled by Reuters had forecast construction spending would climb 0.3% after a previously reported 0.9% ​rise in August.

Construction spending dropped 2.7% on a year-over-year basis in September. Spending on private construction projects ⁠decreased 2.4% in September after gaining 2.6% in August.

Investment in residential projects slumped ​5.5% in September, likely reflecting weakness in renovations. Outlays on single-family housing projects were unchanged but ​down 2.4% on a year-over-year ‌basis.

Residential investment eased back into contraction in the third quarter, as the US-Israeli war with ⁠Iran pushed up mortgage rates. The average rate on a 30-year fixed-rate mortgage has soared by at least 125 basis ⁠points since the war started in late February, data from mortgage finance ​firm Freddie Mac showed.

Spending on multifamily housing units, which account for a small share of the housing market, edged up 0.1% ‌in September.

Investment in private nonresidential structures increased 1.1% in September, with outlays on power plants ‌advancing 1.2%.

Public construction investment dipped 0.1% after gaining 0.2% ⁠in August. State and local ‌government construction spending ​fell 0.3%, but outlays on federal government projects jumped 2.5%.

(Reporting by Lucia Mutikani; Editing by Paul ‌Simao)



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