Best Licensed Plumbers in Altadena, CA
18 plumbing companies registered in Altadena 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 18 companies registered in Altadena. 18 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #459923 - look up this number at CSLBInsured - MID-CENTURY INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1984
- Phone
- (818) 262-2300
- ✓ CSLB License #772347 - look up this number at CSLBInsured - ENDURANCE ASSURANCE CORPORATIONBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1999
- Phone
- (323) 292-7683
- ✓ CSLB License #863580 - look up this number at CSLBInsured - TRANSPORTATION INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2005
- Phone
- (626) 797-0547
- ✓ CSLB License #922233 - look up this number at CSLBInsured - AMERICAN LIBERTY INSURANCE COMPANY INCBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2008
- Phone
- (323) 974-8760
- ✓ CSLB License #974288 - look up this number at CSLBInsured - LIBERTY INSURANCE CORPORATIONBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2012
- Phone
- (818) 957-4994
- ✓ CSLB License #994490 - look up this number at CSLBInsured - SERVICE AMERICAN INDEMNITY COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2014
- Phone
- (626) 765-9672
- ✓ CSLB License #1088617 - look up this number at CSLBInsured - TECHNOLOGY INSURANCE COMPANY INCBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2022
- Phone
- (626) 592-1449
- ✓ CSLB License #449067 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1983
- Phone
- (714) 272-2740
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Hickey Plumbing | #459923 | On file | 1984 |
| Sal T Vargas Plumbing Corporation | #772347 | On file | 1999 |
| Air Conditioning Solutions Inc. | #863580 | On file | 2005 |
| Osmart General Construction Inc. | #922233 | On file | 2008 |
| Aelott Air Conditioning LLC | #974288 | On file | 2012 |
| Crosby Construction | #994490 | On file | 2014 |