Best Licensed Plumbers in Castaic, CA
17 plumbing companies registered in Castaic 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 17 companies registered in Castaic. 17 passed license verification. The 8 below are the top-ranked of those. Our methodology
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1.Thor
✓ CSLB License #576113 - look up this number at CSLBInsured - EVEREST PREMIER INSURANCE COMPANYBonded - $25,000- Verified
- August 17, 2026
- Licensed since
- 1989
- Phone
- (661) 295-0763
- ✓ CSLB License #848302 - look up this number at CSLBInsured - PACIFIC COMPENSATION INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2004
- Phone
- (213) 550-9941
- ✓ CSLB License #920707 - look up this number at CSLBInsured - BERKSHIRE HATHAWAY SPECIALTY INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2008
- Phone
- (818) 845-0308
- ✓ CSLB License #992706 - look up this number at CSLBInsured - WESCO INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2014
- Phone
- (562) 250-7097
- ✓ CSLB License #1040550 - look up this number at CSLBInsured - AMTRUST INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2018
- Phone
- (661) 400-5300
- ✓ CSLB License #1055837 - look up this number at CSLBInsured - GREAT AMERICAN ALLIANCE INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2019
- Phone
- (818) 304-4292
- ✓ CSLB License #637313 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1992
- Phone
- (661) 904-0386
- ✓ CSLB License #764997 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1999
- Phone
- (818) 353-9369
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Thor | #576113 | On file | 1989 |
| Pipeline Rooter And Plumbing | #848302 | On file | 2004 |
| Jetters Only | #920707 | On file | 2008 |
| Safari Plumbing & Rooter Inc. | #992706 | On file | 2014 |
| Puma Plumbing LLC | #1040550 | On file | 2018 |
| Optimus Hvac & Plumbing Inc. | #1055837 | On file | 2019 |