Financial District/South Beach · Building 40 of 52 by AI share

AI tenants hold 9% of 303 2nd Street by observed square feet

LangChain, Unlearn.AI hold 87,200 square feet on record. DataSF lists the building at 950,497.

AI share of building SF
9%
AI square feet observed
87,200
Building square feet (DataSF)
950,497
AI tenants, October 2026
2

Tenants

AI tenants at 303 2nd Street, October 2026

Current AI tenants
CompanyTierRecorded fromObserved SFTypeSources
LangChain AI infrastructure and tooling June 2026 70,000 Sublease Link
Unlearn.AI AI-native applications December 2023 17,200 Lease signed 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.

Former AI tenants
CompanyRecorded fromEnded
Scale AIMay 2016March 2021

Deals

Leases and subleases reported here

  • LangChain took 70,000 square feet that Sony Interactive Entertainment held (sublease, June 2026). Source
Deals with public square feet at 303 2nd Street
ReportedCompanyTypeSFSource
February 2024Unlearn.AILease signed17,200Link
June 2026LangChainSublease70,000Link

Nearby

Other measured buildings in Financial District/South Beach

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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