US housing affordability is deteriorating: The average 30Y fixed mortgage rate rose +3 basis points last week, to 6.69%, the highest since July 2025. This marks the 5th consecutive weekly increase, with rates up +71 basis points since the Iran War began in late-February. This comes as the 10Y Treasury yield, which mortgage lenders use to price 30Y loans, has surged +70 basis points over the same period, driven by inflation concerns. On a $500,000 mortgage, this increase translates to more than +$200 in additional monthly principal and interest payments compared to late February, when rates briefly fell below 6% for the first time since 2022. The 30Y fixed mortgage rate could rise to 7% for the first time since January 2025 before year-end if current inflationary pressures persist. The US housing affordability crisis is worsening.
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