Best Licensed Plumbers in Concord, CA
63 plumbing companies registered in Concord 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 63 companies registered in Concord. 63 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #248204 - look up this number at CSLBInsured - CYPRESS INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1967
- Phone
- (925) 283-2528
- ✓ CSLB License #450929 - look up this number at CSLBInsured - CONTINENTAL INSURANCE COMPANY (THE)Bonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1984
- Phone
- (925) 356-3000
- ✓ CSLB License #523223 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1988
- Phone
- (925) 680-1161
- ✓ CSLB License #578100 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1989
- Phone
- (925) 381-2228
- ✓ CSLB License #600267 - look up this number at CSLBInsured - EVEREST PREMIER INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1990
- Phone
- (925) 687-9701
- ✓ CSLB License #623019 - look up this number at CSLBInsured - EMPLOYERS PREFERRED INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1991
- Phone
- (925) 200-3760
- ✓ CSLB License #681549 - look up this number at CSLBInsured - WESCO INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1993
- Phone
- (925) 934-1500
- ✓ CSLB License #697696 - look up this number at CSLBInsured - AMERICAN CASUALTY COMPANY OF READING PABonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1994
- Phone
- (925) 439-7975
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Lescure Company Inc. | #248204 | On file | 1967 |
| Bay Air Systems Inc. | #450929 | On file | 1984 |
| Robert L Dias DBA Rd's Service Contractor | #523223 | On file | 1988 |
| Control Technology | #578100 | On file | 1989 |
| J S Plumbing | #600267 | On file | 1990 |
| Gehrke Inc. DBA Horizon Plumbing | #623019 | On file | 1991 |