Research/Chicago/The Rookery Building
Public SeedReviewed August 17, 2026

The Rookery Building

209 S LaSalle St, Chicago, IL 60604

QUALITY STATE

50% provisional source coverage

USE BOUNDARY

Not verified · Not dispatch ready

Direct answer

The Rookery Building is a historic office building at 209 S LaSalle St in Chicago. It is a Chicago Landmark and National Historic Landmark, and its public contact page identifies Buck Management Group as manager. Public contacts do not create access, emergency or dispatch authority. It is Graph Mapped, not Verified or Dispatch Ready.

Completed1886Published property record
StoriesUnknownConflicting or unavailable
Critical fields sourced5/1050% provisional coverage
Dispatch readyNoLive accuracy audit required
01

Canonical identity

This Public Seed combines municipal and federal landmark evidence with a source-scoped public management statement while preserving unknown title, parcel, occupancy and operating details.

Property typeOffice
Management routeThe building's public contact page states that Buck Management Group manages the building; contract scope and operational authority were not verified.
Ownership claimCurrent legal owner and beneficial control were not established.
Location41.87909, -87.63182
02

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.

03

What public guidance supports

These are sourced research answers, not permission to enter, reserve, submit, or dispatch. Current affected-party authorization remains required.

Historic designation

Chicago designated the Rookery a landmark on July 5, 1972. NPS records National Historic Landmark designation on May 15, 1975.

Official sources reviewed August 17, 2026

Public management statement

The building contact page says Buck Management Group manages the property and Madison Rose handles leasing. These statements are non-authorizing.

Reviewed August 17, 2026
04

Questions this record answers

Each concise answer includes the same caveats shown elsewhere on the page.

01What is the Rookery Building?+

It is a historic office building at 209 S LaSalle St in Chicago, built in 1885–1888 and remodeled in 1905–1907 by Frank Lloyd Wright.

02Is the Rookery Building a landmark?+

Yes. It is a Chicago Landmark and a National Historic Landmark.

03Who manages the Rookery Building?+

The public building contact page identifies Buck Management Group. Factum does not treat that statement or its public contacts as proof of access, emergency or dispatch authority.

04Is the Rookery Building dispatch ready?+

No. Current entry, loading, after-hours, life-safety, telecom-riser and dispatch procedures were not established.

05How can I correct or enrich this record?+

Submit an authoritative public URL or dated official document, identify the exact field and effective date, and choose public-display, verification-only or private-retention permission. Contributions enter evidence review and never overwrite canonical claims directly.

05

Explicit unknowns

Anything operationally material that is stale, incomplete, or unconfirmed remains visible here.

  1. 01Authoritative parcel/PIN, current recorded title and beneficial control.
  2. 02Complete current occupancy and management agreement scope.
  3. 03Current permits, life-safety, telecom-riser, access, loading and dispatch procedures.
06

Evidence register

Source links are direct. Authority and supported claim groups are stated so readers can inspect the underlying record.

  1. 01
    City of Chicago landmark record

    City of Chicago landmark record reviewed August 17, 2026 · Supports: Identity, address, construction history and Chicago Landmark designation

  2. 02
    National Register asset

    National Park Service record · Supports: Historic-register identity and address

  3. 03
    National Historic Landmarks by state

    National Park Service list · Supports: National Historic Landmark designation date

  4. 04
    Rookery Building contact page

    Building-branded public source reviewed August 17, 2026 · Supports: Address, main telephone and source-scoped management and leasing statements

07

Public change history

Only meaningful, accepted public deltas appear here. The current record above remains canonical.

Evidence added

The Rookery Building

Factum added a Public Seed for the Rookery Building with municipal and federal landmark evidence plus a source-scoped public management statement; title and operating rules remain unverified.

buildingPublic Seed4 cited sourcesView in changelog ↗