Updated Jan 27, 2026
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
About this deal
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.
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Life Sciences
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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