Research/Chicago/150 North Michigan / The Diamond
Public SeedReviewed August 15, 2026

150 North Michigan / The Diamond

150 N Michigan Ave, Chicago, IL 60601

QUALITY STATE

40% provisional source coverage

USE BOUNDARY

Not verified · Not dispatch ready

Direct answer

150 North Michigan Avenue, currently branded The Diamond, is a Loop office tower that R2 says it acquired in January 2024. The current project team includes R2, Anagram and Madison Rose, but legal ownership entities and shares remain unresolved. Published security, bike and amenity claims establish functions, not access or dispatch authority.

Completed1984Published property record
StoriesUnknownConflicting or unavailable
Critical fields sourced40/10040% provisional coverage
Dispatch readyNoLive accuracy audit required
01

Canonical identity

This Public Seed resolves the current brand, address, R2 acquisition assertion, project-team relationships and public contact routes. It preserves historical aliases and conflicting size and story counts while withholding parcel, deed and operating-rule conclusions.

Property typeOffice
Management routeA public management route is listed at 312-781-7550 and rsimilio@r2.me; the source does not establish a verified full name or authority scope.
Ownership claimR2 states it acquired the property in January 2024. Legal entities, deed title and ownership shares remain unresolved.
Location41.88484, -87.62497
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.

Chicago benchmarking area708,981 sq ftCity-reported gross floor area for data year 2023; owner-branded and historical sources publish lower figures
03

What public guidance supports

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

Current brand and team

The Diamond site identifies R2, Anagram and Madison Rose; leasing roles are not facilities authority.

Observed August 15, 2026

Security and amenities

The site claims a continuously staffed lobby, secure bike storage and tenant amenities, but publishes no access or reservation workflow.

Observed August 15, 2026

Dispatch state

No public work-order, visitor, badge, loading, freight, COI, emergency or telecom procedure was accepted.

Public-source review completed August 15, 2026
04

Questions this record answers

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

01Who owns 150 North Michigan?+

R2 says it acquired the property in January 2024, but deed entities, shares and parcel scope were not verified.

02What is The Diamond?+

The Diamond is the current public brand for 150 North Michigan Avenue, historically known by several other tower names.

03Does a staffed lobby establish visitor access?+

No. Security existence does not define visitor registration, badge issuance, after-hours access or dispatch authority.

04How can I improve this record?+

Submit a current public handbook, dock guide, move rule or COI package with public-display, verification-only or private-retention permission. Contributions enter review.

05

Explicit unknowns

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

  1. 01Cook County parcel, legal description, deed entities and ownership shares.
  2. 02Named current manager and authority scope.
  3. 03Visitor, badge, loading, freight, move and COI procedures.
  4. 04Emergency, life-safety, parking and telecom/riser contacts.
  5. 05Which announced amenity work is currently operational.
06

Evidence register

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

  1. 01
    The Diamond building

    Owner-branded building site · Supports: Current brand, address context, amenities, security and bike-access claims

  2. 02
    The Diamond contact

    Owner-branded building site · Supports: Current public management and leasing channels

  3. 03
    The Diamond project team

    Owner-branded building site · Supports: R2, Anagram and Madison Rose project relationships

  4. 04
    150 North Michigan

    R2 · Supports: January 2024 acquisition assertion and source-specific building scale

  5. 05
    John Hancock historical acquisition

    John Hancock Real Estate historical release · Supports: Historical ownership, name, year, story and area context