AI infrastructure and tooling
Chalk holds 14,900 leased square feet in San Francisco on the public record
Chalk has 1 San Francisco location as of October 2026, in Financial District/South Beach. Every location has a published size. Rank 41 of 47 by observed square feet.
- Leased square feet where public
- 14,900
- Locations, October 2026
- 1
- First recorded presence
- December 2025
- Rank by observed SF
- 41 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 14,900 square feet at 55 Stockton Street, reported in November 2025.
Source: DataSF business registrations and DBI permits, SEC filings, press. Observed square feet only. Logos are trademarks of their owners.
View data table
| From | Observed SF |
|---|---|
| January 2019 | 0 |
| December 2025 | 14,900 |
Locations
Chalk’s San Francisco locations, October 2026
| Address | Neighborhood | Recorded from | Observed SF | Type | Map | Sources |
|---|---|---|---|---|---|---|
| 55 Stockton Street | Financial District/South Beach | December 2025 | 14,900 | Lease signed | On the map | Link |
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.
| Reported | Address | Type | SF | Prior occupant | Source |
|---|---|---|---|---|---|
| November 2025 | 55 Stockton Street | Lease signed | 14,900 | Link |
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Company names and logos are trademarks of their owners and are shown only to identify them.