Dario Amodei Of Anthropic Leases 420,000 SF Office At 300 Howard Street In San Francisco
300 Howard Street
Building Size
420,000 SF
Asset Type
Office
Closing
Jan 30, 2026
AI
The property asset involved in this transaction is a 420,000 square foot office space located at 300 Howard Street, situated in the San Francisco market. This asset has been leased by Anthropic, a notable AI startup, for a duration of 13 years. The transaction underscores the current dynamics of the downtown office market in San Francisco, particularly reflecting interest from AI technology firms.
Summary of transaction details:
- Property Type: Office
- Transaction Amount: Not disclosed
- Lease Duration: 13 years
- Square Footage: 420,000 SF
- Address: 300 Howard Street
- Market: San Francisco
- Tenant: Dario Amodei - Anthropic
Dario Amodei represents Anthropic in this lease transaction, indicating a strategic move by the company to establish a significant presence in the San Francisco office market. The leasing of the entire tower by a creditworthy tenant highlights a potential recovery trajectory for the market post-pandemic and signals investor confidence in long-term commitments from tech occupiers.
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