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115 Federal Street

Updated Aug 28, 2026

Millennium Partners Secures $575 Million Loan For Winthrop Center Office In Boston
FINANCEDOffice

Millennium Partners Secures $575 Million Loan For Winthrop Center Office In Boston

115 Federal Street

$575,000,000

$697/SF

Building Size

823,856 SF

Asset Type

Office

Closing

Aug 26, 2026

About this deal

AI

The asset involved is an office property located at 115 Federal Street in Boston, MA, comprising a total square footage of 823,856. The property has secured a loan amount of $575 million backed by a five-year securitized loan from Morgan Stanley and Barclays Bank.

Summary of transation details:

This financing deal was facilitated by JLL, representing the sponsor, Millennium Partners, led by Christopher M. Jeffries. The transaction illustrates the involvement of key individuals in securing substantial financing for the office component of Millennium Partners’ Winthrop Center in downtown Boston.

Players

Andrew Gray

JLL

Broker

$1.5B

vol

8 deals

Broker
Barclays Bank
Barclays BankLender

Christopher M. Jeffries

Millennium Partners

Landlord

$856M

vol

2 deals

Landlord

Boston Office Market Snapshot

Boundary boundary · Office · Loan transactions

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Deal FAQ

About $697 per square foot on a published $575M for 823,856 square feet (2026).

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Purchase Price

Annual NOI

Loan Amount

Interest Rate (%)

Loan Term (yrs)

Down Payment (%)

Cap Rate

0.03%

Cash-on-Cash

-0.01%

Monthly Payment

$14,164

Annual Debt Svc

$169,964

Annual Cash Flow

$-11,334

DSCR

0.93

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