Best Licensed Plumbers in Thousand Oaks, CA
46 plumbing companies registered in Thousand Oaks 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 46 companies registered in Thousand Oaks. 46 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #437545 - look up this number at CSLBInsured - INSURANCE COMPANY OF THE WESTBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1983
- Phone
- (805) 241-3641
- ✓ CSLB License #477562 - look up this number at CSLBInsured - INSURANCE COMPANY OF THE WESTBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1985
- Phone
- (805) 657-8464
- ✓ CSLB License #546685 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1988
- Phone
- (805) 732-3138
- ✓ CSLB License #661514 - look up this number at CSLBInsured - PREFERRED EMPLOYERS INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1992
- Phone
- (805) 377-0082
- ✓ CSLB License #715469 - look up this number at CSLBInsured - PROPERTY AND CASUALTY INSURANCE COMPANY OF HARTFORDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1995
- Phone
- (805) 432-3373
- ✓ CSLB License #715675 - look up this number at CSLBInsured - NATIONAL FIRE INSURANCE COMPANY OF HARTFORDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1995
- Phone
- (818) 590-1015
- ✓ CSLB License #784471 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2000
- Phone
- (805) 373-0668
- ✓ CSLB License #786274 - look up this number at CSLBInsured - INSURANCE COMPANY OF THE WESTBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2000
- Phone
- (805) 443-4184
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Jfc Plumbing Inc. | #437545 | On file | 1983 |
| M G Plumbing Inc. | #477562 | On file | 1985 |
| Conejo Valley Plumbing | #546685 | On file | 1988 |
| Danco Plumbing Inc. | #661514 | On file | 1992 |
| Crc Plumbing | #715469 | On file | 1995 |
| Whitco Plumbing | #715675 | On file | 1995 |