William O. Lipinski Federal Building
844 N Rush St, Chicago, IL 60611
78% provisional source coverage
USE BOUNDARYNot verified · Not dispatch ready
The William O. Lipinski Federal Building is a historic federal office building at 844 N Rush St, formerly the America Fore Office Building and associated with the Railroad Retirement Board. The supplied 844 W address was corrected from authoritative federal sources. It is Graph Mapped, not Verified or Dispatch Ready.
Canonical identity
This Public Seed establishes the physical building identity separately from the Railroad Retirement Board agency identity and preserves the supplied west-direction address as a source-record error rather than an alias.
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.
Identity correction
Authoritative federal sources identify 844 North Rush Street and the William O. Lipinski Federal Building; the supplied 844 West address is retained only as a source-record error.
Federal sources reviewed August 17, 2026Agency boundary
The Railroad Retirement Board is an agency and public occupant association, not the formal physical-building name.
Federal sources reviewed August 17, 2026Authorization boundary
Published agency service hours and appointment guidance do not authorize building access, receiving, work, dispatch, security or emergency activity.
Federal sources reviewed August 17, 2026Questions this record answers
Each concise answer includes the same caveats shown elsewhere on the page.
01What building is at 844 N Rush St?+
It is the William O. Lipinski Federal Building, formerly the America Fore Office Building.
02Is U.S. Railroad Retirement the building name?+
No. The Railroad Retirement Board is a federal agency associated with the property; it is not the formal physical-building identity.
03Was the supplied 844 W Rush address accepted?+
No. Authoritative federal sources consistently support 844 N Rush St; the west-direction value is preserved as a flagged source-record error.
Explicit unknowns
Anything operationally material that is stale, incomplete, or unconfirmed remains visible here.
- 01Cook County parcel identity, legal description, current title instrument and any completed disposition outcome.
- 02Named current day-to-day property manager, facilities contractor and complete tenant roster.
- 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.
- 01GSA — William O. Lipinski Federal Building ↗
U.S. General Services Administration source reviewed August 17, 2026 · Supports: Formal name, address, former name, construction year and federal-property history
- 02Railroad Retirement Board agency overview ↗
Primary federal agency source reviewed August 17, 2026 · Supports: Agency identity and headquarters address
- 03Railroad Retirement Board Chicago field office ↗
Primary federal agency source reviewed August 17, 2026 · Supports: Public office association and public service guidance
- 04Congressional designation report ↗
Congress.gov primary legislative source reviewed August 17, 2026 · Supports: Statutory building designation at 844 North Rush Street
Public change history
Only meaningful, accepted public deltas appear here. The current record above remains canonical.
William O. Lipinski Federal Building
The William O. Lipinski Federal Building was added as a Public Seed with its authoritative 844 North Rush identity, while keeping the Railroad Retirement Board and the erroneous west-direction source value separate.