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43 West 23rd Street

Chalk AI Leases Office Space From Castro Properties At 43 West 23rd Street For $85/ft
LEASEDOffice

Chalk AI Leases Office Space From Castro Properties At 43 West 23rd Street For $85/ft

43 West 23rd Street

$85

$85/SF

Building Size

26,607 SF

Asset Type

Office

Closing

Jul 1, 2026

AI

The property asset involved in this transaction is an office located at 43 West 23rd Street in the Flatiron District. The lease type is a Modified Gross Lease, with an asking rent of $85 per square foot for a total of 26,607 square feet.

Summary of transaction details:

This lease transaction involves Castro Properties as the landlord and Chalk AI as the tenant, with Christopher Okada representing the landlord and Jason Majlessi along with Arash Sadighi representing the tenant. The agreement reflects a focus on engaging opportunities and denotes an approach where every deal counts.

Players

Christopher Okada

Okada & Company

Broker

$352.8M

vol

87 deals

Broker
Arash Sadighi

Arash Sadighi

Broker
Broker

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

186623.53%

Cash-on-Cash

-53337.58%

Monthly Payment

$14,164

Annual Debt Svc

$169,964

Annual Cash Flow

$-11,334

DSCR

0.93