Updated: Jan 14, 2026
Location
Address
5761 ALFRED AVENUE, Westminster, CA, 92683
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Rooter John Plumber
Rooter John Co, 5761 Alfred Ave, Westminster, CA (Employee: John Conrad Blacker) holds a Plumbing license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Rooter John Co, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Rooter John Co Services
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Rooter John Co Contact Information
Phone Number: (424) 215-7632
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Address: 5761 ALFRED AVENUE, Westminster, CA 92683
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Verified License
BuildZoom confirmed this contractor's license
Rooter John Co License info
Verified License
| License # | 1094521 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Rooter John Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Berkshire Hathaway Direct Insurance Company |
Rooter John Co Employees
JB
John Conrad Blacker
Rmo / Ceo / Pres