Public SeedReviewed August 13, 2026

One South Wacker

1 S Wacker Dr, Chicago, IL 60606

Direct answer

One South Wacker is an office building at 1 South Wacker Drive in Chicago. Its active site provides a current JLL management channel, while detailed dock, freight, move, COI, contractor, and protection documents are undated or from 2020–2021. Factum publishes those documents as historical evidence, not current dispatch instructions.

Completed1982Published property record

StoriesUnknownConflicting or unavailable

Critical fields sourced55/10055% provisional coverage

Dispatch readyNoLive accuracy audit required

Canonical identity

The identity is resolved as One South Wacker, distinct from 111 South Wacker and One North Wacker. Historically detailed operating documents remain useful for topology and questions to ask, but their current validity and the active tenant platform require confirmation.

Property typeOffice

Management routeThe active first-party site uses a JLL general management channel.

Ownership claim601W ownership appears in secondary and historical sources; current title and parcel identity were not established.

Location41.88156, -87.63615

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.

City-reported gross floor area1,387,952 sq ftChicago Energy Benchmarking, data year 2023

What public guidance supports

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

Historical dock and freight record

An undated first-party sheet describes a Lower Wacker dock and large and small freight cars. Current routing, hours, capacity, and booking rules must be confirmed.

Undated first-party document captured 2026-08-13

Historical tenant handbook

A 2021 handbook describes move booking, fees, insurance, labor, access, and protection. It is clearly labeled historical and is not treated as current permission.

2021 first-party handbook captured 2026-08-13

Workflow conflict

Historical documents reference Building Engines while newer building material references Rise/1SW. The current authenticated system and exception process remain unknown.

Conflict recorded 2026-08-13

Questions this record answers

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

01Where is One South Wacker?+

1 S Wacker Dr, Chicago, Illinois 60606.

02Are the published move and freight rules current?+

Not proven. The detailed documents are undated or labeled 2020–2021 and require current JLL confirmation before use.

03Why publish a page with historical rules?+

The documents establish useful identity, topology, and questions to verify. Factum labels their vintage and does not present them as current authorization.

04How can I contribute current rules?+

Use Get early access to share a current handbook, COI package, booking instruction, or correction and choose the permitted use.

Explicit unknowns

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

01Current legal title and parcel/PIN.
02Current tenant platform and management team beyond the general channel.
03Current dock/freight hours, booking cutoff, fees, COI limits, access authorization, parking, and disposal route.

Evidence register

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

01
One South Wacker official site ↗
Official building website · Supports: Canonical identity and current JLL general channel
02
Dock and freight information ↗
Official building PDF; undated · Supports: Historical dock/freight topology and procedures
03
2021 Tenant Handbook ↗
Official building PDF; historical · Supports: Historical delivery, move, fee, insurance, labor, access, and protection rules
04
Chicago Energy Benchmarking Results ↗
City of Chicago · Supports: 2023 gross floor area and census identity