Best Licensed Plumbers in Irwindale, CA
3 plumbing companies registered in Irwindale hold current CSLB licenses, verified against official records as of August 17, 2026. All 3 are listed below, ordered by workers' compensation cover and years licensed.
How we chose: We identified 3 companies registered in Irwindale. 3 passed license verification. All 3 are listed below. Our methodology
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- ✓ CSLB License #534844 - look up this number at CSLBInsured - NORGUARD INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1988
- Phone
- (626) 814-0818
- ✓ CSLB License #906746 - look up this number at CSLBInsured - HARTFORD CASUALTY INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2007
- Phone
- (877) 447-4737
- ✓ CSLB License #271993 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1971
- Phone
- (626) 625-9452
Compare the top 3 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Los Angeles Plumbing & Backflow Testing Inc. | #534844 | On file | 1988 |
| Good News Plumbing & Drain Inc. | #906746 | On file | 2007 |
| Michael G Roelle Plumbing And Fire Sprinkler Contractor | #271993 | Exempt or none on file | 1971 |