Best Licensed Plumbers in El Sobrante, CA
16 plumbing companies registered in El Sobrante 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 16 companies registered in El Sobrante. 16 passed license verification. The 8 below are the top-ranked of those. Our methodology
We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.
- ✓ CSLB License #569370 - look up this number at CSLBInsured - TECHNOLOGY INSURANCE COMPANY INCBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1989
- Phone
- (510) 385-3877
- ✓ CSLB License #796452 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2001
- Phone
- (775) 671-5637
- ✓ CSLB License #878364 - look up this number at CSLBInsured - CYPRESS INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2006
- Phone
- (510) 222-5556
- ✓ CSLB License #934995 - look up this number at CSLBInsured - AMTRUST INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2009
- Phone
- (415) 336-4061
- ✓ CSLB License #967155 - look up this number at CSLBInsured - AMERICAN CASUALTY COMPANY OF READING PABonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2011
- Phone
- (510) 660-7332
- ✓ CSLB License #997975 - look up this number at CSLBInsured - EMPLOYERS ASSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2014
- Phone
- (415) 571-4641
- ✓ CSLB License #856374 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2005
- Phone
- (510) 691-3847
- ✓ CSLB License #881160 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2006
- Phone
- (510) 691-8301
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| C De Leon Plumbing Co | #569370 | On file | 1989 |
| Sewer Connection Inc. | #796452 | On file | 2001 |
| H & R Underground | #878364 | On file | 2006 |
| Hernandez Plumbing | #934995 | On file | 2009 |
| Arg Construction | #967155 | On file | 2011 |
| Jnc Plumbing Inc. | #997975 | On file | 2014 |