South of Market · Building 15 of 52 by AI share

AI tenants hold 54% of 850 Brannan Street by observed square feet

Physical Intelligence holds 80,964 square feet on record. DataSF lists the building at 151,208. It is one of 15 San Francisco buildings that are at least half AI.

AI share of building SF
54%
AI square feet observed
80,964
Building square feet (DataSF)
151,208
AI tenants, October 2026
1

Tenants

AI tenants at 850 Brannan Street, October 2026

Current AI tenants
CompanyTierRecorded fromObserved SFTypeSources
Physical Intelligence Frontier and model labs September 2026 80,964 Sublease Link

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

  • Physical Intelligence took 80,964 square feet that Airbnb held (sublease, September 2026). Source
Deals with public square feet at 850 Brannan Street
ReportedCompanyTypeSFSource
September 2026Physical IntelligenceSublease80,964Link

Nearby

Other measured buildings in South of Market

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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