Updated: May 10, 2026
Location and Projects
Address
P O BOX 2560, Turlock, CA, 95381
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W M PLUMBING
W M PLUMBING, Turlock, Po Box 2560, Turlock, CA (Owned by: William Crandall Mahn) holds a Plumbing license according to the California license board.
Their BuildZoom score of 87 does not rank in the top 50% of California contractors.
Their license was verified as active when we last checked. If you are thinking of hiring W M PLUMBING, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
W M PLUMBING Services
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W M PLUMBING Contact Information
Phone Number: (209) 648-8067
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Address: P O BOX 2560, Turlock, CA 95381
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Connect sink drain to sewer line eight lineal feet
Valuation:
$600
Permit #:
BLD14 0403
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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W M PLUMBING License info
Verified License
| License # | 980766 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for W M PLUMBING at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
87
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
W M PLUMBING Employees
WM
William Crandall Mahn
Owner
Willie was rude to the point where I cancelled service and began looking for another plumber. I had a feeling when he was impatient on the telephone. after he arrived 40 minutes late, he refused to wait 5 minutes for me to check a fact and said, "If you want a second opinion, then I have better things to do." I hope his arrogance is not a reflection on W M Plumbing as a whole.