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:
- Property Type: Office
- Transaction Amount: $85/ft
- Address: 43 West 23rd Street
- Market: Flatiron District
- Landlord: Castro Properties
- Tenant: Chalk AI
- Landlord's Representative: Christopher Okada - Okada & Company
- Tenant's Representatives: Jason Majlessi - Venture Commercial & Arash Sadighi
- Lease Type: Modified Gross Lease
- Square Footage: 26,607
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
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