333 North Michigan Building
333 N Michigan Ave, Chicago, IL 60601
67% provisional source coverage
USE BOUNDARYNot verified · Not dispatch ready
333 North Michigan Building is a Chicago Landmark office and street-retail building at 333 N Michigan Ave associated with supplied benchmark ID 101889. The City reports a 1928 construction year, while parcel, title and operating authority remain unverified. It is Graph Mapped, not Verified or Dispatch Ready.
Canonical identity
This Public Seed connects 333 North Michigan Building to its public landmark identity, benchmark context, marketed office and retail uses, and public venue association while retaining date, parcel and rehabilitation-cost conflicts.
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.
Landmark identity
The City landmark record identifies the building, its 1928 construction year, Art Deco style and February 7, 1997 landmark designation.
Public sources reviewed August 17, 2026Role boundary
Public leasing and venue roles do not establish the building's owner, property manager, security operator or authority chain.
Public sources reviewed August 17, 2026Authorization boundary
Amenities and venue marketing do not authorize access, bookings, work orders, dispatch, deliveries, security or emergency activity.
Public sources reviewed August 17, 2026Questions this record answers
Each concise answer includes the same caveats shown elsewhere on the page.
01What is 333 North Michigan Building?+
It is a Chicago Landmark office and street-retail building at 333 N Michigan Ave.
02When was it built?+
The official City landmark record reports 1928; a property-marketing page says designed in 1929, so the discrepancy remains attributed rather than silently reconciled.
03Who owns or manages it?+
Current recorded ownership and appointed building management were not verified; Colliers is publicly shown only in a leasing role.
Explicit unknowns
Anything operationally material that is stale, incomplete, or unconfirmed remains visible here.
- 01Cook County parcel identity, legal description, recorded title and current ownership/control chain.
- 02The direct official benchmark row, appointed property manager and complete tenant or occupancy facts.
- 03Address-specific permits, inspections, life-safety status, telecom service and building operating rules.
Evidence register
Source links are direct. Authority and supported claim groups are stated so readers can inspect the underlying record.
- 01City of Chicago landmark detail ↗
City of Chicago government record reviewed August 17, 2026 · Supports: Building identity, address, construction year, architect and landmark designation
- 02333 North Michigan public property site ↗
Current public property-marketing source reviewed August 17, 2026 · Supports: Public label, address, marketed uses, leasing role and amenities
- 03Tavern Club at 333 ↗
Current public venue source reviewed August 17, 2026 · Supports: Fourth-floor venue association and source-described role
- 04City of Chicago building-record lookup guidance ↗
City of Chicago Department of Buildings source reviewed August 17, 2026 · Supports: Official lookup scope; no address-specific result asserted
Public change history
Only meaningful, accepted public deltas appear here. The current record above remains canonical.
333 North Michigan Building
333 North Michigan Building was added as a Public Seed with landmark, benchmark-context and public-use evidence, while parcel, title, management authority and operating rules remain unverified.