Evidence since February 2024 shows that many U.S. regional banks with sizable office‑backed commercial real‑estate (CRE) portfolios have, in fact, taken meaningful write‑downs and faced notable financial stress, even though the system overall has remained resilient.
• Office values and fundamentals deteriorated further as forecast: Moody’s projected office values would fall roughly 26% peak‑to‑trough through 2025, and office‑loan delinquencies climbed to multi‑year highs while other CRE segments remained relatively stable, making office the clear weak spot and a concentrated risk for smaller and regional banks. (cfodive.com)
• New York Community Bancorp/Flagstar—an archetypal regional CRE lender—suffered exactly the kind of portfolio impairment and stress Sacks described: a surprise $252m quarterly loss driven largely by multifamily and office loans, a $552m jump in provisions and $185m in charge‑offs, and a 38% one‑day stock plunge that took shares to multi‑decade lows and sparked fears of failure, followed by management turnover and an emergency capital raise. (commercialobserver.com)
• Other CRE‑heavy regionals also showed material impairment and strain. Valley National and Flagstar/NYCB recorded large CRE charge‑offs and provisions; for example, Flagstar logged about $388m of office‑loan charge‑offs and a roughly $930m net loss over the first nine months of 2024, while Valley’s credit charges on CRE cut full‑year 2024 net income by almost a quarter and forced it to shrink CRE exposure and bolster reserves, keeping its stock at a deep discount. (ft.com) KeyCorp’s CRE non‑performing loan rate more than doubled to 5.1%, another sign of significant office‑loan stress at a regional lender. (credaily.com)
• Rating agencies explicitly flagged a broad cohort of regional banks as vulnerable because of CRE (especially office) portfolios. S&P and Moody’s placed multiple CRE‑heavy regionals—Old National, WaFd, Peapack‑Gladstone, F.N.B., First Merchants, Fulton Financial, Valley National and others—on negative outlook or downgrade review, citing high CRE concentrations and the risk that falling property values and refinancing difficulties would impair capital and earnings. In total, about 9 U.S. banks, or ~18% of those S&P rates, carried a negative outlook largely due to CRE exposure, which is a non‑trivial share. (investopedia.com)
• Market performance and analyst commentary show sector‑wide pressure tied to these CRE issues. The KBW Regional Banking Index has persistently lagged large‑bank and broad equity indices, with analysts and Moody’s pointing to regional banks’ outsized share of CRE lending and naming 27 regional/community banks whose CRE loans exceeded 2x tangible common equity; the article highlights Flagstar and Valley National as examples where CRE‑related credit charges drove major profit declines and stock underperformance. (ft.com)
• At the same time, regulators and data indicate the stress has been significant but not systemic: most banks’ overall credit metrics and capital remain solid, Q2 2024 provisions came in below expectations for many institutions, and by late 2025 Reuters characterizes regional banks as having largely “weathered” the CRE storm even as office loans remain a pronounced weak point and delinquency rates in office hit record levels. (spglobal.com)
Putting this together, office‑backed CRE downturn did lead to sizeable write‑downs, elevated reserves, ratings pressure, stock underperformance, and in at least one case near‑solvency concerns at multiple regional banks with concentrated exposure. That fits Sacks’ prediction of significant impairments and financial stress across a meaningful slice of the regional‑bank sector exposed to office loans, even though the impact stopped short of a full‑blown systemic crisis.