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11 East 26th Street

Sierra Signs 94,145 Square Foot Lease With Rockrose Development At 11 East 26th Street
LEASEDOffice

Sierra Signs 94,145 Square Foot Lease With Rockrose Development At 11 East 26th Street

11 East 26th Street

Building Size

94,145 SF

Asset Type

Office

Closing

May 1, 2026

AI

11 East 26th Street is an office asset located in the Midtown South market. The property encompasses a total of 94,145 square feet.

Summary of transaction details:

Sierra, an AI customer support firm, has secured a lease for the office space at Rockrose’s 11 East 26th Street. This transaction is noted as one of Manhattan’s largest office deals in April.

Players

Bret Taylor

Sierra

Broker

4 deals

Broker

Henry Elghanayan

Rockrose Development

Landlord

$251.2M

vol

7 deals

Landlord
Clay Bavor

Clay Bavor

Sierra

Tenant

3 deals

Tenant

New York Office Market Snapshot

Boundary boundary · Office · Lease transactions

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Purchase Price

Annual NOI

Loan Amount

Interest Rate (%)

Loan Term (yrs)

Down Payment (%)

Cap Rate

5.80%

Cash-on-Cash

-1.66%

Monthly Payment

$14,164

Annual Debt Svc

$169,964

Annual Cash Flow

$-11,334

DSCR

0.93