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405 Howard Street

Dario Amodei Of Anthropic Leases 70,000 Square Feet At 405 Howard Street In San Francisco
LEASEDOffice

Dario Amodei Of Anthropic Leases 70,000 Square Feet At 405 Howard Street In San Francisco

405 Howard Street

Building Size

70,000 SF

Asset Type

Office

Closing

Apr 7, 2026

AI

The property asset is an office space located at 405 Howard Street in San Francisco, comprising 70,000 square feet. This leasing transaction involves Anthropic as the tenant, which is expanding its operations within the Foundry Square complex.

Summary of transaction details:

  • Property Type: Office
  • Transaction Amount: Not specified
  • Address: 405 Howard Street
  • Market: San Francisco
  • Tenant: Dario Amodei - Anthropic
  • Lease Size: 70,000 square feet

This lease deal reflects Anthropic's strategic initiative to consolidate operations at its future headquarters located at 300 Howard Street. Following this transaction, Anthropic's total presence in the area reaches approximately 1 million square feet, including recent leases at 300, 342, 400, and 500 Howard Street, highlighting the company's growth within the San Francisco office market.

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