400 South LaSalle
400 S LaSalle St, Chicago, IL 60605
40% provisional source coverage
USE BOUNDARYNot verified · Not dispatch ready
400 South LaSalle is a commercial building at 400 S LaSalle St, Chicago, IL 60605, associated with Chicago benchmark ID 101549. It is Graph Mapped as a Public Seed, not Verified or Dispatch Ready.
Canonical identity
400 South LaSalle is a commercial-building record at 400 S LaSalle St in Chicago. A Cboe release supports its historical headquarters association and a later headquarters move; current title, control, management, occupancy and action authority remain unknown.
Area claims stay separate
Gross, rentable, and office area are not interchangeable. Factum stores each measurement with its source meaning instead of choosing a convenient single number.
What public guidance supports
These are sourced research answers, not permission to enter, reserve, submit, or dispatch. Current affected-party authorization remains required.
Public identity
400 South LaSalle is a commercial-building record at 400 S LaSalle St in Chicago. A Cboe release supports its historical headquarters association and a later headquarters move; current title, control, management, occupancy and action authority remain unknown.
Sources reviewed 2026-08-18Evidence boundary
Parcel, title, control, management, occupancy, operator and action authority are not inferred beyond the cited evidence.
Boundary reviewed 2026-08-18Coverage state
Public Seed / Graph Mapped only; explicit unknowns and preserved conflicts remain for later enrichment.
Accepted 2026-08-18Questions this record answers
Each concise answer includes the same caveats shown elsewhere on the page.
01What is 400 South LaSalle?+
400 South LaSalle is a commercial-building record at 400 S LaSalle St in Chicago. A Cboe release supports its historical headquarters association and a later headquarters move; current title, control, management, occupancy and action authority remain unknown.
02Is 400 South LaSalle ready for dispatch?+
No. It is a Public Seed and Graph Mapped, not Verified or Dispatch Ready.
03What remains unknown about 400 South LaSalle?+
Current parcel/PIN and legal-description identity. Current title owner, beneficial owner, controller, manager, and operator. Current occupancy, tenancy, building use, permits, compliance position, and any authority/contact. A current City row-level extraction tying benchmark ID 101549 to this address.
Explicit unknowns
Anything operationally material that is stale, incomplete, or unconfirmed remains visible here.
- 01Current parcel/PIN and legal-description identity.
- 02Current title owner, beneficial owner, controller, manager, and operator.
- 03Current occupancy, tenancy, building use, permits, compliance position, and any authority/contact.
- 04A current City row-level extraction tying benchmark ID 101549 to this address.
Evidence register
Source links are direct. Authority and supported claim groups are stated so readers can inspect the underlying record.
- 01Cboe Global Markets, Inc. ↗
2022-06-06 · Supports: Historical headquarters-location association only.; Does not by itself establish current title, control, operational authority or dispatch readiness.
- 02City of Chicago ↗
2025-03-14 · Supports: Dataset metadata only; it establishes the meaning of the Building ID field but is not record-level evidence for either assigned ID.; Does not by itself establish current title, control, operational authority or dispatch readiness.
Public change history
Only meaningful, accepted public deltas appear here. The current record above remains canonical.
400 South LaSalle
400 South LaSalle was added as a public, evidence-bounded building seed at 400 S LaSalle St; unresolved enrichment and authority fields remain explicit.