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Chicago, IL · Permit #101089891

77 W Wacker Dr

Building work

Reported project estimate$330,100Whole permitted job
Issued / readyOct 26, 2026
Source statusActive

Trade availability and construction progress are unconfirmed.

Suggested first contact

Dw Hammer Llc

General contractor

(312) 548-7450Published business phone · Checked Nov 2, 2026

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Who to approach

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4 suggested contact routes.

Company contact route

Dw Hammer Llc

General contractor

Estimator or purchasing department
Why this contact
Project connection
Company named on permit · #101089891
Responsibility
Suggested route · project assignment unconfirmed
Timing
Stage not established by checked evidence
Project connection source ↗

Last checked Nov 2, 2026. Confirm the responsible person and purchasing package with the company.

Published business phone(312) 548-7450 Source ↗ · Checked Nov 2, 2026
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Company contact route

Ewing-Doherty Mechanical, Inc

Plumbing contractor

Trade estimator or purchasing department
Why this contact
Project connection
Company named on permit · #101089891
Responsibility
Suggested route · project assignment unconfirmed
Timing
Stage not established by checked evidence
Project connection source ↗

Last checked Nov 2, 2026. Confirm the responsible person and purchasing package with the company.

Published business phone(630) 766-5920 Source ↗ · Checked Nov 2, 2026
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Company contact route

G S Electric

Electrical contractor

Trade estimator or purchasing department
Why this contact
Project connection
Company named on permit · #101089891
Responsibility
Suggested route · project assignment unconfirmed
Timing
Stage not established by checked evidence
Project connection source ↗

Last checked Nov 2, 2026. Confirm the responsible person and purchasing package with the company.

Published business phone(708) 326-4610 Source ↗ · Checked Nov 2, 2026
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Company contact route

Summit Mechanical Group

Ventilation contractor

Trade estimator or purchasing department
Why this contact
Project connection
Company named on permit · #101089891
Responsibility
Suggested route · project assignment unconfirmed
Timing
Stage not established by checked evidence
Project connection source ↗

Last checked Nov 2, 2026. Confirm the responsible person and purchasing package with the company.

A current business contact has not been established. Research this company ↗

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Company contacts are starting points. Purchasing authority, reachability and open packages need confirmation. Your contact feedback stays private.

Work summary

Building work

Scope and permit evidence

Project features summarize the permit wording. The applicant reports the whole-job estimate; it is not a trade-package budget.

The issue date usually means ready to issue, subject to fee payment. It does not establish a start, completion date, or open bid.

Read the full original work description ↗
Contractors named on the permit
Dw Hammer Llc ↗General contractor
Ewing-Doherty Mechanical, Inc ↗Plumbing contractor
G S Electric ↗Electrical contractor
Summit Mechanical Group ↗Ventilation contractor

Names and roles come from Chicago’s records. A listed contractor is not an award notice.

Scope & timing

Work scope
Work described
Construction start
Not established by this permit
Completion date
Not supplied

Other

Commercial use
Not confirmed

Building and development

77 West Wacker Shared Amenities

77 W WACKER DR

The tower repositioned shared amenities to support tenant appeal and retention. SCB transformed the lounge, conference, fitness, and wellness areas into a flexible destination. [1]

Shared amenities
Work transformed the tenant lounge, conference, fitness, and wellness spaces. [1]
Flexible spaces
Spaces support casual conversations, meetings, larger gatherings, quiet work, and private calls. [1]
Sources · 1
  1. 77 West Wacker ↗

    Checked Oct 16, 2026

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Up to eight companies with potentially relevant offerings. Listing order does not establish company quality or availability. Confirm project requirements, products and availability. Suggestions do not establish a hiring relationship, open bid, construction start or readiness for cleaning.

Source & observation history

Source
Chicago Building Permits ↗
First observed
Oct 27, 2026, 9:03 a.m. ET
Last observed
Nov 2, 2026, 9:01 a.m. ET
View record changes (1)
Oct 27, 2026, 9:03 a.m. ETFirst observation
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