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Milestone Street

Roche Leases 100000 Sq Ft At One Milestone In Allston MA From Breakthrough Properties
LEASEDLife Sciences

Roche Leases 100000 Sq Ft At One Milestone In Allston MA From Breakthrough Properties

Milestone Street

Building Size

100,000 SF

Asset Type

Life Sciences

Closing

Jan 23, 2026

AI

The leased property is located at 1 Milestone Street in Allston, MA, encompassing a total area of 100,000 square feet specifically designed for life sciences use. Roche is expanding its presence at this location, increasing its space significantly from a previous 30,000 square feet leased area.

Summary of transaction details:

  • Property Type: Life Sciences
  • Transaction Amount: Not disclosed
  • Landlord: Dan Belldegrun - Breakthrough Properties
  • Tenant: Dr. Thomas Schinecker - Roche
  • Market: Allston, MA
  • Lease Start: Phased moves begin mid-2026

Dan Belldegrun represents Breakthrough Properties as the landlord in this transaction, while Dr. Thomas Schinecker represents Roche as the tenant. The deal facilitates Roche's expansion into biotechnology and AI research.

Players

Dan Belldegrun

Breakthrough Properties

Landlord

$831M

vol

6 deals

Landlord
BP
Breakthrough PropertiesLandlord

Hyde Park Life Sciences Market Snapshot

Boundary boundary · Life Sciences · 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