Updated: Jul 07, 2026
Location
Address
3259 HOLEMAN AVENUE, Chicago Heights, IL, 60411
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William J. Maio Construction
William J. Maio, 3259 Holeman Ave, South Chicago Heights, IL holds a Electrical Contractor (General) license according to the City of Chicago license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring William J. Maio, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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William J. Maio Contact Information
Phone Number: (773) 556-9169
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Address: 3259 HOLEMAN AVENUE, South Chicago Heights, IL 60411
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William J. Maio License info
Verified License
| License # | ECC94592 |
| Status | Active |
| City | City Of Chicago |
| Type | Electrical Contractor (General) |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for William J. Maio at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.