Location and Projects
Sierens Plumbing Co
Sierens Plumbing Co at 10160 CUNNINGHAM STREET, Westminster, CA 92683, held a Plumber license (#475015) with the California contractors license board with an expiration date of 06-30-1989. We last verified the license was expired on 01-20-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Sierens Plumbing Co Services
Sierens Plumbing Co Contact Information
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Sierens Plumbing Co License info
Inactive License
| License # | 475015 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Sierens Plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 671315 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Sierens Plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Sierens Plumbing Co, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
I would recommend Jim to anyone who needs a plumber. Jim's father was a plumber. Jim is very mechanically inclined and can fix just about anything. A very nice individual with good skills and work ethics. Jim can get along with just about anybody Jim enjoys doing good work and strives to do the best job possible.