Updated: Apr 15, 2026
Location
Address
P O BOX 565, Loomis, CA, 95650
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William Markel plumbing
William Markel plumbing at P O BOX 565, Loomis, CA 95650, held a Plumber license (#342336) with the California contractors license board with an expiration date of 12-31-2007. We last verified the license was expired on 04-07-2026.
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.
William Markel plumbing Services
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William Markel plumbing Contact Information
Phone Number: (916) 660-9619
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Address: P O BOX 565, Loomis, CA 95650
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William Markel plumbing License info
Inactive License
| License # | 342336 |
| 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 William Markel plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 335993 |
| 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 William Markel plumbing 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 William Markel plumbing, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $12,500 |
William Markel plumbing Employees
ES
Edward Allen Sims
Officer
IM
Ione Esther Markel
Officer
WM
William Markel
Rmo / Ceo / Pres
WM
William Dean Markel
Sole Owner