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300 Howard Street

Dario Amodei Of Anthropic Leases 420,000 SF Office At 300 Howard Street In San Francisco
LEASEDOffice

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

Dario Amodei

Anthropic

Tenant

12 deals

Tenant

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