Potrero Hill · Building 34 of 52 by AI share
AI tenants hold 14% of 555 De Haro Street by observed square feet
Cartesia, Gamma hold 10,310 square feet on record. DataSF lists the building at 74,921.
- AI share of building SF
- 14%
- AI square feet observed
- 10,310
- Building square feet (DataSF)
- 74,921
- AI tenants, October 2026
- 2
Tenants
AI tenants at 555 De Haro Street, October 2026
| Company | Tier | Recorded from | Observed SF | Type | Sources |
|---|---|---|---|---|---|
| Cartesia | Frontier and model labs | July 2025 | 10,310 | Lease signed | Link |
| Gamma | AI-native applications | March 2025 | No public figure |
Source: DataSF business registrations and DBI permits, SEC filings, press. Observed square feet only. Building square feet from the DataSF property record. "Recorded from" is the date of the registration or the press report of a signing, not a move-in date. See the building on the map.
Deals
Leases and subleases reported here
| Reported | Company | Type | SF | Source |
|---|---|---|---|---|
| September 2026 | Cartesia | Lease signed | 10,310 | Link |
Part of San Francisco AI tenants, a register of 223 AI companies at 271 locations built from public records. See all majority-AI buildings and the methodology.
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