Bret Taylor Of Sierra Finalizes 300K SF Office Lease At 185 Berry Street San Francisco

The asset involved in this transaction is an office space located at 185 Berry Street in San Francisco. The leased space spans 300,000 square feet, situated in the China Basin neighborhood, catering to the needs of modern businesses in a growing market.

Summary of transaction details:

• Property Type: Office
• Transaction Amount: Not specified
• Address: 185 Berry Street
• Market: San Francisco
• Tenant: Bret Taylor
• Company: Sierra
• Asset Size: 300,000 SF
• Lease Date: 11/04/2025

This deal marks a significant milestone for Sierra, an AI startup led by OpenAI Chair Bret Taylor. The lease at 185 Berry Street represents the company's expansion, as it establishes its third city office in three years, amid a regional surge in AI leasing activities driven by substantial investment in the sector.