Public Research

One North LaSalle Building

built 1929-30 and with current city data crediting Karl M. Vitzthum & Co. with John Burns, Designated as a Chicago landmark on April 16, 1996. it becomes easier to follow commercial development, architectural branding, and later change at One North LaSalle Building.

One North LaSalle Building 1 N LaSalle St, Chicago, Illinois Precision: Exact

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Quick Take

  • Official status: Chicago individual landmark.
  • Address: 1 N LaSalle St.
  • Built: 1929-30.
  • Architect: Karl M. Vitzthum & Co. with John Burns.

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Why It Matters

One North LaSalle Building prevents commercial development, architectural branding, and corridor and downtown change from floating free of the site itself.

That public anchor is what allows later work on ownership, alteration, neighborhood setting, and interpretation to build outward in a disciplined way.

Field Network

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Research Narrative

Landmark Context

One North LaSalle Building is fixed in the city's landmark record at 1 N LaSalle St. City records connect the site to a construction date of 1929-30 and credits Karl M. Vitzthum & Co. with John Burns. It was designated on April 16, 1996. One North LaSalle Building turns into a workable research subject once commercial development, architectural branding, and corridor and downtown change are kept in view together.

One North LaSalle Building becomes materially clearer through storefront depth, upper-floor expression, and corner treatment, how the facade addresses pedestrian traffic, and later signage, infill, or reuse. Together, those clues make it easier to understand how commercial architecture stayed visible even as the economic life around it changed.

Research Starting Points

One North LaSalle 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.

One North LaSalle 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.

1929-30

Development

Construction period recorded in city landmark data

Chicago's public landmark data records One North LaSalle Building as built in 1929-30.

April 16, 1996

Designation

Chicago individual landmark designation

City of Chicago designated One North LaSalle Building as an individual landmark on April 16, 1996.

February 2026

Inventory

City landmark address list and data portal record

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

Signals

Latest Google News

Latest 3 stories

One North LaSalle 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
One North LaSalle Building
Location
1 N LaSalle St, Chicago, Illinois
Coverage
Exact

Key Facts

Region
Chicago, Illinois / Midwest
Place type
Commercial Building
Current status
Preserved
Address
1 N LaSalle St
Built
1929-30
Architect
Karl M. Vitzthum & Co. with John Burns
Designated
April 16, 1996

Design / Planning Timeline

Karl M. Vitzthum & Co. with John Burns
1929-30

Milestone

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

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