- Together AI signed a 150K SF lease at 2 Henry Adams St. in San Francisco’s Design District for its new headquarters.
- The AI startup will relocate to the Class-B property this summer under a six-year lease, with JLL representing the tenant.
- AI sector office footprints in San Francisco have grown rapidly, now accounting for 8.75M SF and 13.4% of all occupied space.
- OpenAI also recently signed multiple large leases in the Bay Area, including 202K SF in Richmond.
Design District Draws AI Tenants
Together AI will establish its new headquarters in the heart of the Design District after leasing 150K SF at 2 Henry Adams St, reports Bisnow. The company, valued at $3.3B following a major fundraising round in 2025, is expanding quickly, moving from an initial 3K SF in 2023 to a new multi-floor presence. The lease, brokered by JLL and set for six years, marks one of the district’s largest commitments by a growing tech firm this year.
Investor Momentum Builds
The move reflects surging confidence in San Francisco office leasing by AI companies. Industry leaders such as Together AI and OpenAI are driving positive absorption even as broader market fundamentals remain challenged. The Class-B building at 2 Henry Adams, held by RREEF since 2006, offers architectural character that appeals to major tech occupiers.
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OpenAI Expands Bay Area Footprint
Alongside Together AI’s lease, OpenAI expanded its footprint. The company secured 202K SF in Richmond. It may use the space for physical AI and robotics work. This move follows several major Bay Area leases. OpenAI took a 450K SF campus in Mountain View. It also signed a 282K SF sublease at 1800 Owens St. This expansion aligns with rising leasing momentum in Mountain View, where large tech occupiers continue to absorb premium office space. According to Avison Young, AI demand continues to surge. The sector now occupies 8.75M SF of San Francisco office space. This marks a sharp increase from just over 2M SF in 2020.
Why It Matters
The growth in San Francisco office leasing led by AI companies underlines the sector’s resilience. These large commitments bolster investor confidence and suggest that innovation clusters within the city remain highly desirable for high-growth tech firms.
