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1 Madison Avenue

Sigma Computing Leases 64000 Square Feet At One Madison Avenue From SL Green In Flatiron District
LEASEDOffice

Sigma Computing Leases 64000 Square Feet At One Madison Avenue From SL Green In Flatiron District

1 Madison Avenue

$115

$115/SF

Building Size

64,000 SF

Asset Type

Office

Closing

Jul 16, 2025

AI

The property asset involved in this transaction is an office space located at 1 Madison Avenue in the Flatiron District of Manhattan. Sigma Computing has leased a total of 64,000 square feet in this facility, which has an asking rent of $115 per square foot. The occupancy of the 1.4 million-square-foot tower is now at 78% following this lease agreement.

Summary of transaction details:

The lease agreement was represented by a team of individuals, with Brent Ozarowski from Newmark representing Sigma Computing. Meanwhile, the landlord, SL Green, was represented by Paul Glickman, Alexander Chudnoff, and Benjamin Bass from JLL.

Players

Alexander Chudnoff

JLL

Broker

$38.2M

vol

19 deals

Broker
Newmark
NewmarkBrokerage
JLL
JLLBrokerage
Marc Holliday

Marc Holliday

SL Green

Landlord

$9.6B

vol

40 deals

Landlord
SL Green
SL GreenLandlord
Mike Palmer

Mike Palmer

Sigma Computing

Tenant

3 deals

Tenant
Sigma Computing
Sigma ComputingTenant

Island Park 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

137939.13%

Cash-on-Cash

-39423.43%

Monthly Payment

$14,164

Annual Debt Svc

$169,964

Annual Cash Flow

$-11,334

DSCR

0.93