Updated: Jan 06, 2026
Location
Address
Carnegie, PA, 15106
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John Mercier Plumber
John Mercier, Carnegie, PA holds a Plumber license according to the Allegheny 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 John Mercier, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Verified License
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John Mercier License info
Verified License
| HIC # | 01934 |
| Status | Active |
| County | Allegheny |
| Type | Plumber |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for John Mercier at the County of Allegheny Health Department.
This is a sample of licensing data; click here to access a complete history.