Colliers Secures 18K-SF Bethesda Lease for Rock Spring Properties
Why this matters
Office continues to trade in two distinct markets: trophy assets in walkable submarkets that are leasing at or near record rents, and commodity Class B and C buildings where the basis is still resetting. Underwriting on the latter has moved toward replacement-cost-minus, with credit underwriting now leaning on tenant covenant and remaining lease term rather than mark-to-market expectations. For LP-positioned capital, the read-through is that the bifurcation is now a structural feature of the sector, not a cycle to wait out.
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On the RET wire
- Disclosed office deal value tracked in September 2026: $14.7B across 78 reported transactions. All Office coverage →
- 77 stories mentioning Colliers on the wire in the past 90 days. Colliers coverage →
Computed from Real Estate Trail’s own tracked coverage
Colliers facilitated the lease of an 18,567-square-foot, newly renovated office space at 6550 Rock Spring Drive in Bethesda, Maryland, to the Grossberg Company. Colliers’ Nate Crowe and Katie Datin represented the lan…
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