Updated Oct 28, 2026
Mark Zuckerberg's Meta Platforms Inc. Leases 30,000 Square Feet To Dario Amodei's Anthropic In San Francisco
181 Fremont Street
Building Size
30,000 SF
Asset Type
Office
Closing
Oct 26, 2026
About this deal
AI
The property involved in this transaction is an office asset located at 181 Fremont Street, San Francisco, CA, encompassing approximately 30,000 square feet. The landlord for this lease is Mark Zuckerberg, representing Meta Platforms Inc.
Summary of transaction details:
- Property Type: Office
- Transaction Amount: Not disclosed
- Address: 181 Fremont Street
- Market: San Francisco, CA
- Landlord: Mark Zuckerberg - Meta Platforms Inc.
- Tenant: Dario Amodei - Anthropic
- Square Footage: 30,000
Dario Amodei leads Anthropic, which has expanded its downtown footprint to nearly 1 million square feet following this sublease. The company is experiencing rapid growth, with its workforce increasing to 5,300 employees as of September, highlighting its ongoing expansion amid rising revenue.
On the Map
Office
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Fremont Office Market Snapshot
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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