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505 Howard Street

Dario Amodei Of Anthropic Leases 100000 SF Office Space At 505 Howard Street San Francisco
LEASEDOffice

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

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