CoStar Group (CSGP) Stock: U.S. Office Vacancy Set to Hold Steady Through 2026

Why this matters

The projection that U.S. office vacancy rates will remain steady through 2026 underscores the persistent challenges facing institutional investors in the sector. Despite widespread expectations of a gradual recovery as hybrid work models stabilize, the forecast signals that demand-supply imbalances are unlikely to resolve quickly. For allocators and capital providers, this suggests a continued environment of subdued leasing velocity and pressure on rental growth, complicating underwriting assumptions for new acquisitions and refinancing. From a capital markets perspective, steady vacancy implies that lenders and equity investors must maintain cautious underwriting standards, with heightened scrutiny on tenant credit quality and lease duration. The absence of a near-term decline in vacancies also tempers optimism around value appreciation, potentially constraining capital recycling and slowing portfolio repositioning efforts. Moreover, the persistence of elevated vacancy may reinforce the bifurcation within the office sector, where trophy assets in gateway markets outperform secondary properties burdened by obsolescence and weaker tenant demand. In sum, the outlook points to a protracted period of operational and financial headwinds for U.S. office real estate, requiring disciplined capital allocation and innovative asset management strategies to navigate ongoing structural shifts.

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On the RET wire

• Disclosed office deal value tracked in August 2026: $4.9B across 18 reported transactions. All Office coverage →
• 20 stories mentioning CoStar on the wire in the past 90 days. CoStar coverage →

Computed from Real Estate Trail’s own tracked coverage

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