Updated: Jul 14, 2026
Location and Projects
Address
11950 S 75TH AVE, Palos Heights, IL, 60463
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William Shaghnessy Construction
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
If you are thinking of hiring William Shaghnessy, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William Shaghnessy Services
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William Shaghnessy Contact Information
Phone Number: (312) 735-7111
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Address: 11950 S 75TH AVE, Palos Heights, IL 60463
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Customer requests to separate each floor and public space. upgrade 100 amp service to 200 amps. installation of a new service mast. setting of a meter bank with four meter housings. remove service entry cable and install rigid metal conduit. separate basement first second and public panels
Valuation:
$2,500
Permit #:
B100837407
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
New 200 amp service
Valuation:
$2,000
Permit #:
B100882736
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
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William Shaghnessy License info
License Not Verified
| License # | ECC94572 |
| Status | Active |
| City | City Of Chicago |
| Type | Electrical Contractor (General) |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of William Shaghnessy with the City of Chicago Data Portal
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | General |
- According to the City of Chicago Data Portal, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | General |
- According to the City of Chicago Data Portal, 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.
This is a sample of licensing data; click here to access a complete history.