Best Licensed Plumbers in Montclair, CA
12 plumbing companies registered in Montclair 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 12 companies registered in Montclair. 12 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #320990 - look up this number at CSLBInsured - PREFERRED EMPLOYERS INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1976
- Phone
- (909) 982-5698
- ✓ CSLB License #765750 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1999
- Phone
- (909) 576-7953
- ✓ CSLB License #889182 - look up this number at CSLBInsured - OAK RIVER INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2007
- Phone
- (800) 581-7780
- ✓ CSLB License #977502 - look up this number at CSLBInsured - TECHNOLOGY INSURANCE COMPANY INCBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2012
- Phone
- (626) 786-4999
- ✓ CSLB License #1001892 - look up this number at CSLBInsured - SECURITY NATIONAL INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2015
- Phone
- (909) 260-4376
- ✓ CSLB License #450717 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1983
- Phone
- (626) 806-5270
- ✓ CSLB License #897883 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2007
- Phone
- (951) 446-4294
- ✓ CSLB License #1034739 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2018
- Phone
- (866) 794-5129
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Klaus & Sons Plumbing Heating & Air Conditioning | #320990 | On file | 1976 |
| Chava's Plumbing | #765750 | On file | 1999 |
| Sweetwater Plumbing Industries Inc. | #889182 | On file | 2007 |
| 23 1/2 Hrs S O S Plumbing Inc. | #977502 | On file | 2012 |
| The Plumbers Connection Inc. | #1001892 | On file | 2015 |
| Ruben Garcia Plumbing | #450717 | Exempt or none on file | 1983 |