Best Licensed Plumbers in Covina, CA
41 plumbing companies registered in Covina 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 41 companies registered in Covina. 41 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #527859 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1988
- Phone
- (626) 589-1471
- ✓ CSLB License #616269 - look up this number at CSLBInsured - EMPLOYERS PREFERRED INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1991
- Phone
- (818) 446-6651
- ✓ CSLB License #817184 - look up this number at CSLBInsured - SERVICE AMERICAN INDEMNITY COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2003
- Phone
- (626) 966-2884
- ✓ CSLB License #907585 - look up this number at CSLBInsured - STATE FARM FIRE AND CASUALTY COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2007
- Phone
- (626) 715-6344
- ✓ CSLB License #912603 - look up this number at CSLBInsured - UNITED FIRE & CASUALTY COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2008
- Phone
- (626) 487-1374
- ✓ CSLB License #946114 - look up this number at CSLBInsured - NORGUARD INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2010
- Phone
- (616) 367-2580
- ✓ CSLB License #970359 - look up this number at CSLBInsured - TRUCK INSURANCE EXCHANGEBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2012
- Phone
- (626) 622-2738
- ✓ CSLB License #992380 - look up this number at CSLBInsured - CYPRESS INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2014
- Phone
- (909) 599-0033
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Wuillay Plumbing Inc. | #527859 | On file | 1988 |
| Aldcla Inc. | #616269 | On file | 1991 |
| H D Production Plumbing Contractors Inc. | #817184 | On file | 2003 |
| John Plumbing | #907585 | On file | 2007 |
| Kline's Plumbing Inc. | #912603 | On file | 2008 |
| Mvp Plumbing & Drain Services Inc. | #946114 | On file | 2010 |