320 North Sangamon
320 N Sangamon St, Chicago, IL 60607
79% provisional source coverage
USE BOUNDARYNot verified · Not dispatch ready
320 North Sangamon is a 13-story Class A office building at 320 N Sangamon St associated with supplied Chicago benchmark ID 256900. It is Graph Mapped, not Verified or Dispatch Ready.
Canonical identity
This Public Seed connects 320 North Sangamon to its first-party identity, construction and sustainability evidence while preserving differing area measures and withholding unresolved title and authority claims.
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.
Building identity
Tishman Speyer identifies 320 North Sangamon as a 13-story Class A office building in Fulton Market and reports LEED Gold status.
Public sources reviewed August 18, 2026Area boundary
The first-party portfolio and leasing sources report approximately 270,000 rentable square feet, while the supplied benchmark measure differs; the measures remain source-specific.
Public sources reviewed August 18, 2026Authorization boundary
Portfolio and leasing relationships are not treated as recorded title or authorization for access, work orders or dispatch.
Public sources reviewed August 18, 2026Questions this record answers
Each concise answer includes the same caveats shown elsewhere on the page.
01What is 320 North Sangamon?+
It is a 13-story Class A office building at 320 N Sangamon St associated with supplied Chicago benchmark ID 256900.
02How large is it?+
First-party public sources report approximately 270,000 rentable square feet; a differing benchmark measure is retained separately rather than normalized.
03Is 320 North Sangamon ready for dispatch?+
No. It is a Public Seed and Graph Mapped, not Verified or Dispatch Ready.
Explicit unknowns
Anything operationally material that is stale, incomplete, or unconfirmed remains visible here.
- 01Recorded title, current ownership/control chain and authoritative parcel-boundary use.
- 02A normalized whole-building area, complete current occupancy and building-wide operating authority.
- 03Address-specific permits, inspections, life-safety status, telecom service and operating rules.
Evidence register
Source links are direct. Authority and supported claim groups are stated so readers can inspect the underlying record.
- 01Tishman Speyer 320 North Sangamon property page ↗
First-party portfolio page reviewed August 18, 2026 · Supports: Building identity, address, class, stories, size and LEED Gold
- 02320 North Sangamon leasing site ↗
Current building leasing site reviewed August 18, 2026 · Supports: Building identity, rentable area and year built
- 03Cook County Assessor property record ↗
Cook County address record reviewed August 18, 2026 · Supports: Address-associated PIN context, held from title or parcel-boundary inference
- 04City of Chicago covered-buildings dataset ↗
City of Chicago dataset reviewed August 18, 2026 · Supports: Benchmark program identity and source-record context
Public change history
Only meaningful, accepted public deltas appear here. The current record above remains canonical.
320 North Sangamon
320 North Sangamon was added as a Public Seed with first-party building, construction and sustainability evidence; title, area normalization and operating authority remain unresolved.