MANY MINDEDConstruction cost spikes strain housing affordability
U.S. construction input prices rose 1.2% month-over-month in August 2026 and 8.9% year-over-year from August 2025 levels. Year-over-year price increases of 10% or more occurred for switchgear, iron, steel, softwood lumber, copper wire, and several derivative metal products. Steel mill products increased 23.4% year-over-year since August 2025, while iron and steel rose 17.9% year-over-year. Crude petroleum and copper wire also saw sharp increases—34.9% and 27.2% year-over-year, respectively. A September 2026 survey of construction contractors found 55% reported project abandonments or delays in the past six months, with one-third attributing disruptions to rising costs.
The spike reflects acute pressure on materials critical for infrastructure and housing. Steel, copper, and petroleum—essential for building and energy systems—showed the most severe year-over-year growth, indicating supply chain strain. Contractors’ self-reported delays suggest this cost pressure is actively disrupting shelter production.
This friction worsens inequality by making housing and infrastructure more expensive, delaying affordable shelter access for vulnerable populations. As construction becomes costlier, the gap between those who can build and those who need shelter widens.
What to watch: Continued material cost pressures and contractor responses to inflation. Caveats: The source uses August 2025 as the baseline while the article was published in September 2026, potentially indicating data reporting lags. Survey data represents self-reported contractor responses.
Source: Construction Dive