Dario Amodei Of Anthropic Leases 100000 SF Office Space At 505 Howard Street San Francisco
505 Howard Street
Building Size
100,000 SF
Asset Type
Office
Closing
Sep 24, 2025
AI
The asset involved in the transaction is an office space located at 505 Howard Street in San Francisco, consisting of 100,000 square feet. The area is recognized as part of the San Francisco market, which is currently attracting AI tenants to fuel its recovery efforts.
Summary of transaction details:
- Property Type: Office
- Transaction Amount: Not disclosed
- Address: 505 Howard Street
- Market: San Francisco
- Tenant: Dario Amodei
- Company: Anthropic
- Leased Area: 100,000 SF
- Previous HQ Location: Foundry Square IV
Dario Amodei represents Anthropic in this lease transaction. The firm has secured space at Foundry Square III after completing a significant financial raise of $13 billion, positioning itself prominently within the San Francisco office landscape.
Players
San Francisco 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
5.80%
Cash-on-Cash
-1.66%
Monthly Payment
$14,164
Annual Debt Svc
$169,964
Annual Cash Flow
$-11,334
DSCR
0.93