Best Licensed Plumbers in Newark, CA
15 plumbing companies registered in Newark hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.
How we chose: We identified 15 companies registered in Newark. 15 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #643197 - look up this number at CSLBInsured - TRAVELERS PROPERTY CASUALTY COMPANY OF AMERICABonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1992
- Phone
- (510) 475-9950
- ✓ CSLB License #949281 - look up this number at CSLBInsured - ROCHDALE INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2010
- Phone
- (408) 771-1775
- ✓ CSLB License #959436 - look up this number at CSLBInsured - BERKSHIRE HATHAWAY DIRECT INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2011
- Phone
- (510) 490-4411
- ✓ CSLB License #1024192 - look up this number at CSLBInsured - EMPLOYERS PREFERRED INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2017
- Phone
- (650) 678-4718
- ✓ CSLB License #1033035 - look up this number at CSLBInsured - TECHNOLOGY INSURANCE COMPANY INCBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2017
- Phone
- (650) 814-0241
- ✓ CSLB License #1052198 - look up this number at CSLBInsured - SECURITY NATIONAL INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2019
- Phone
- (510) 900-9888
- ✓ CSLB License #1079383 - look up this number at CSLBInsured - EMPLOYERS PREFERRED INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2021
- Phone
- (415) 802-3391
- ✓ CSLB License #1094723 - look up this number at CSLBInsured - WESCO INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2022
- Phone
- (650) 575-9138
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Mathews Mechanical | #643197 | On file | 1992 |
| Veliz Plumbing Service | #949281 | On file | 2010 |
| American Water Heater Service Inc. | #959436 | On file | 2011 |
| Mc Plumbing Inc. | #1024192 | On file | 2017 |
| All Bay Plumbing Incorporated | #1033035 | On file | 2017 |
| Bay Water Plumbing Inc. | #1052198 | On file | 2019 |