Updated: Jun 08, 2026
Location
Address
4272-MABLE AVE, Castro Valley, CA, 94546
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Olson plumbing
Olson plumbing at 4272-MABLE AVE, Castro Valley, CA 94546, held a Plumber license (#312101) with the California contractors license board with an expiration date of 05-31-2008. We last verified the license was expired on 06-07-2026.
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 bidding system to be easily matched to qualified, licensed professionals in your area.
Olson plumbing Services
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Olson plumbing Contact Information
Phone Number: (510) 581-6971
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Address: 4272-MABLE AVE, Castro Valley, CA 94546
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Olson plumbing License info
Inactive License
| License # | 312101 |
| 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 Olson 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 Olson plumbing, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $2,500 |
Olson plumbing Employees
DO
Deanna Olson
Sole Owner
DO
Deanna Olson
Sole Owner
RO
Robert Kenneth Olson
Rme