Public Research

Auditorium Building

Auditorium Building is a concise public starting point for commercial development and architectural branding, anchored by Chicago's landmark designation.

Auditorium Building 430 S Michigan Av, Chicago, Illinois Precision: Exact

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Quick Take

  • Official status: Chicago individual landmark.
  • Address: 430 S Michigan Av.
  • Built: 1886-90.
  • Architect: Adler & Sullivan.

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Why It Matters

Auditorium Building keeps a real place attached to commercial development, architectural branding, and corridor and downtown change.

Once that baseline is in place, the site can support deeper work on stewardship, alteration, public memory, and the larger corridor or block around it.

Field Network

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Research Narrative

Landmark Context

Auditorium Building is held in public view at 430 S Michigan Av by the city's landmark record. The current city data lists it as dating to a construction date of 1886-90 and credits Adler & Sullivan. It was designated on September 15, 1976. Auditorium Building becomes more than a passing image once those facts are held together with commercial development, architectural branding, and corridor and downtown change.

At Auditorium Building, the most useful field notes usually begin with storefront depth, upper-floor expression, and corner treatment, then move outward to how the facade addresses pedestrian traffic and later signage, infill, or reuse. This is where the landmark shifts from designation to evidence about how commercial architecture stayed visible even as the economic life around it changed.

Research Starting Points

Auditorium Building can be checked against trade press and city directories, permit files and assessor records, and historic photographs and newspaper coverage when the designation summary runs out. That is usually how a short landmark record turns into a fuller account of use, alteration, and neighborhood setting.

Auditorium Building becomes clearer when later research stays attached to the building instead of drifting into abstraction.

Public Actions

Campaign / Petition Record

Ordered oldest to newest.

1886-90

Development

Construction period recorded in city landmark data

Chicago's public landmark data records Auditorium Building as built in 1886-90.

September 15, 1976

Designation

Chicago individual landmark designation

City of Chicago designated Auditorium Building as an individual landmark on September 15, 1976.

February 2026

Inventory

City landmark address list and data portal record

Auditorium Building remains listed in Chicago's public individual-landmark address list and open-data record.

Signals

Latest Google News

Latest 3 stories

Auditorium Building, Chicago, Illinois

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Sources

Source Trail

Chicago Landmark Name List 2025.6

institution

Use for official landmark status and naming.

City of Chicago Open Data: Individual Landmarks

dataset

Use for address, built date, architect, and point geometry in the city data portal.

Chicago Landmark Address List February 2026

institution

Use for address normalization and cross-checking the city's public landmark list.

Place Snapshot

Place
Auditorium Building
Location
430 S Michigan Av, Chicago, Illinois
Coverage
Exact

Key Facts

Region
Chicago, Illinois / Midwest
Place type
Commercial Building
Current status
Preserved
Address
430 S Michigan Av
Built
1886-90
Architect
Adler & Sullivan
Designated
September 15, 1976

Design / Planning Timeline

Adler & Sullivan
1886-90

Milestone

Use as a starting point for confirming authorship against permits, drawings, and later landmark reports.

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