Frontier and model labs

Reflection AI holds 25,000 leased square feet in San Francisco on the public record

Reflection AI has 2 San Francisco locations as of October 2026, 1 of them in Financial District/South Beach. 1 has a published size; the other 1 count as zero, so the total is a minimum. Rank 33 of 47 by observed square feet.

Leased square feet where public
25,000
Locations, October 2026
2
First recorded presence
March 2026
Rank by observed SF
33 of 47

Footprint

Observed square feet held, month by month

The line steps up when a deal is reported and steps down when a location's registration closes. The first deal with a public figure is a lease of 25,000 square feet at 140 New Montgomery Street, reported in March 2026.

Exhibit 1 Reflection AI: observed square feet in San Francisco, monthly from January 2019

Source: DataSF business registrations and DBI permits, SEC filings, press. Observed square feet only. Logos are trademarks of their owners.

View data table
FromObserved SF
January 20190
March 202625,000

Locations

Reflection AI’s San Francisco locations, October 2026

Current locations
AddressNeighborhoodRecorded fromObserved SFTypeMapSources
140 New Montgomery Street Financial District/South Beach March 2026 25,000 Lease signed On the map Link 1Link 2Link 3
977 Howard Street South of Market July 2026 No public figure On the map

Source: DataSF business registrations and DBI permits, SEC filings, press. Observed square feet only. "Recorded from" is the date of the registration or the press report of a signing, not a move-in date.

Lease tape

Leases and subleases with public square feet

Square feet as each source states them. An expansion that restates a location's total shows as a second row at the same address.

Deals reported for Reflection AI
ReportedAddressTypeSFPrior occupantSource
March 2026140 New Montgomery StreetLease signed25,000Link

Same buildings

Other AI companies in Reflection AI’s buildings

  • DataRobot, 140 New Montgomery Street

Part of San Francisco AI tenants, a register of 223 AI companies at 271 locations built from public records. See the full leaderboard, the interactive map and the methodology.

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Company names and logos are trademarks of their owners and are shown only to identify them.