The Wrigley Building
400–410 N Michigan Ave, Chicago, IL 60611
86% provisional source coverage
USE BOUNDARYNot verified · Not dispatch ready
The Wrigley Building is a two-tower office complex at 400–410 N Michigan Ave in Chicago, linked to City benchmark ID 101920. Zeller publicly presents the property as managed by Zeller and under Joe Mansueto ownership, but parcel identity and recorded title remain unverified. It is Graph Mapped, not Verified or Dispatch Ready.
Canonical identity
This Public Seed connects The Wrigley Building to its source-scoped Chicago benchmark record, two-tower identity, management evidence and published building facts while keeping title and operating authority unresolved.
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.
Physical identity
The mapped subject is the two-tower complex at 400–410 N Michigan; 444 N Michigan is not included.
Public sources reviewed August 17, 2026Management boundary
Zeller publishes property-management and inquiry contacts. These channels do not establish access, security, emergency, dispatch or work authorization.
First-party property pages reviewed August 17, 2026Coordinate conflict
City rows for benchmark ID 101920 contain materially inconsistent coordinates. Factum preserves the discrepancy and does not use it to move or merge the entity.
City benchmark records reviewed August 17, 2026Questions this record answers
Each concise answer includes the same caveats shown elsewhere on the page.
01What is The Wrigley Building in Chicago?+
It is a two-tower office complex at 400–410 N Michigan Ave linked to Chicago benchmark ID 101920.
02Who manages The Wrigley Building?+
Zeller publicly presents itself as the property manager/operator; recorded title remains unverified.
03Do the public contacts authorize access or dispatch?+
No. They are inquiry channels and do not establish access, safety, security or dispatch authority.
Explicit unknowns
Anything operationally material that is stale, incomplete, or unconfirmed remains visible here.
- 01Cook County PIN, parcel geometry, recorded title entity and title chain.
- 02Complete current tenant roster and suite assignments.
- 03Current property-wide access, loading, telecom, security, emergency and dispatch rules.
Evidence register
Source links are direct. Authority and supported claim groups are stated so readers can inspect the underlying record.
- 01City of Chicago 2023 benchmark row 101920 ↗
City of Chicago government data reviewed August 17, 2026 · Supports: Benchmark ID, office use, area and year-built reporting context
- 02Zeller property portfolio ↗
First-party property source reviewed August 17, 2026 · Supports: Two-tower identity, address, rentable area, stories and architect
- 03Zeller property management page ↗
First-party management source reviewed August 17, 2026 · Supports: Published management and inquiry contacts
Public change history
Only meaningful, accepted public deltas appear here. The current record above remains canonical.
The Wrigley Building
The Wrigley Building was added as a Public Seed with two-tower identity, Chicago benchmark and management evidence, explicit coordinate-conflict handling, and no inferred access or dispatch authority.