Updated: Jun 06, 2026
Location and Projects
Address
140 S Dearborn St, Chicago, IL, 60603
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Cook Gregory B Architect
Cook Gregory B, 140 S Dearborn St, Chicago, IL (Employee: Cook, Gregory B.) holds a Architect license and 2 other licenses according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cook Gregory B, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Cook Gregory B Contact Information
Address: 140 S Dearborn St, Chicago, IL 60603
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Cook Gregory B Chicago
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cook Gregory B has a BuildZoom score of 94, which places them above 76% of 65,686 contractors in Illinois.
Activity
|
1 project
|
2024 |
Our building permit records indicate that Cook Gregory B has worked on at least
1.0 project over the past 2 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$250k-$500k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Self-cert 2019 cbrc: interior alteration to 2nd floor of existing group b (educational above 12th grade) library and office space. no change of use. existing type i-b construction
Valuation:
$438,000
Permit #:
101048262
Status:
suspended
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Interior renovation/alteration of 800 level to expand the rush alzheimers disease center. no change in occupancy classification. existing occupancy is business group e; proposed occupancy is business group e
Valuation:
$395,000
Permit #:
100921511
Status:
expired
Fee:
$3,075
Permit Type:
N/A
Building Type:
N/A
Alteration of 6th floor to addition women's toilet room and renovate existing men's toilet room; no change to occupancy classification - existing occupancy is class e-business and proposed occupancy is class e-business
Valuation:
$200,000
Permit #:
100849433
Status:
complete
Fee:
$1,352
Permit Type:
N/A
Building Type:
N/A
Permit expires on 12/17/2019 erection starts: 10/25/2019 erection ends: 1/12/2020 12:00:00 am. reinstatement permit #100725964. erect three prefabricated temporary christkindl market retail mercantile wood structures approximately 663 square feet each. erection starts: 10/25/2019; erection ends: 1/12/2020; event dates: 11/15/2019 - 12/24/2019
Valuation:
$300,000
Permit #:
100842492
Status:
complete
Fee:
$325
Permit Type:
N/A
Building Type:
N/A
Current and proposed use/occupancy is business class b. existing office space to be renovated to clinic for peritoneal dialysis services and waiting area. no invasive procedures will be performed at this clinic. suit is a peritoneal training suite
Valuation:
$240,000
Permit #:
100805817
Status:
complete
Fee:
$1,575
Permit Type:
N/A
Building Type:
N/A
No change to existing first floor c-1 occupancy. alteration to first floor commercial tenant space to addition an exterior entry and vestibule
Valuation:
$75,000
Permit #:
100820803
Status:
issued
Fee:
$888
Permit Type:
N/A
Building Type:
N/A
Interior alteration of existing class e business space into a dialysis center new use/occupancy to be class e business
Valuation:
$2,600,000
Permit #:
100797620
Status:
complete
Fee:
$2,352
Permit Type:
N/A
Building Type:
N/A
This project consists of the renovation of an existing 8-story building with penthouse and basement (shell) into new healthcare offices (core) in part of the structure. the components which will be added for the buildout are new interior partitions finishes and some mechanical electrical plumbing and fire protection equipment to make it operational. the building is vacant and has no c... see more
Valuation:
$10,500,000
Permit #:
100848846
Status:
complete
Fee:
$21,420
Permit Type:
N/A
Building Type:
N/A
New 25 000 sq. ft. two-story commercial (class-e) building for medical services - outpatient clinic w 57 car parking lot and trash enclosed per plans **certified plans corrections: conditional permit subject to field inspections **
Valuation:
$10,600,000
Permit #:
100818012
Status:
complete
Fee:
$13,588
Permit Type:
N/A
Building Type:
N/A
Interior renovation/alteration of a portion of the 800 and 900 levels of the jelke building for the rush alzheimer's disease center. no change in occupancy classification. existing occupancy is business group b; proposed occupancy is business group b (spr 2019 cbc)
Valuation:
$3,320,000
Permit #:
100947919
Status:
expired
Fee:
$5,158
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Cook Gregory B License info
Verified License
| License # | C32003 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Cook Gregory B at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C-2447 |
| Status | Active |
| State | Wyoming |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Cook Gregory B with the Wyoming Licensing Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 21AI01815300 |
| Status | Inactive |
| State | New Jersey |
| Type | Registered Architect |
- According to the New Jersey Department of Law & Public Safety, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Cook Gregory B at the New Jersey Department of Law & Public Safety.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
9
Permits
- Building permit records show that Cook Gregory B has worked on 9 permitted projects.
Cook Gregory B Employees
CB
Cook Gregory B
Owner
CB
Cook, Gregory B.
Owner