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Leiter II Building
built 1891 and with current city data crediting William LeBaron Jenney, Designated as a Chicago landmark on January 14, 1997. the public record begins with concrete facts and can move outward into commercial development and architectural branding.
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Quick Take
- Official status: Chicago individual landmark.
- Address: 403 S State St.
- Built: 1891.
- Architect: William LeBaron Jenney.
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Why It Matters
Leiter II Building keeps commercial development, architectural branding, and corridor and downtown change grounded in one address and one building.
That is what gives later archival and field work somewhere concrete to begin.
Field Network
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Research Narrative
Landmark Context
Leiter II Building is tied to 403 S State St in the city's landmark file. Even in summary form, the record keeps together a construction date of 1891 and credits William LeBaron Jenney. It was designated on January 14, 1997. Leiter II Building already has a usable public frame for work on commercial development, architectural branding, and corridor and downtown change.
Leiter II Building is best read on the ground through storefront depth, upper-floor expression, and corner treatment, how the facade addresses pedestrian traffic, and later signage, infill, or reuse. That kind of fieldwork helps clarify how commercial architecture stayed visible even as the economic life around it changed.
Research Starting Points
Leiter II Building is easiest to push beyond designation through trade press and city directories, permit files and assessor records, and historic photographs and newspaper coverage. That is usually how a short landmark record turns into a fuller account of use, alteration, and neighborhood setting.
Leiter II Building still needs permits, photographs, and comparison, but the landmark record gives that work a stable point of return.
Public Actions
Campaign / Petition Record
Ordered oldest to newest.
1891
Development
Construction period recorded in city landmark data
by Public record Previous
Chicago's public landmark data records Leiter II Building as built in 1891.
January 14, 1997
Designation
Chicago individual landmark designation
by Public record Previous
City of Chicago designated Leiter II Building as an individual landmark on January 14, 1997.
February 2026
Inventory
City landmark address list and data portal record
by Public record Current
Leiter II Building remains listed in Chicago's public individual-landmark address list and open-data record.
Signals
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Sources
Source Trail
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
- Leiter II Building
- Location
- 403 S State St, Chicago, Illinois
- Coverage
- Exact
Key Facts
- Region
- Chicago, Illinois / Midwest
- Place type
- Commercial Building
- Current status
- Preserved
- Address
- 403 S State St
- Built
- 1891
- Architect
- William LeBaron Jenney
- Designated
- January 14, 1997
Design / Planning Timeline
William LeBaron Jenney
1891
Milestone
Design architect or firm credited in current city landmark data
Use as a starting point for confirming authorship against permits, drawings, and later landmark reports.
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