Best Licensed Plumbers in San Marcos, CA
48 plumbing companies registered in San Marcos 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 48 companies registered in San Marcos. 48 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #175404 - look up this number at CSLBInsured - MARKEL INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1958
- Phone
- (760) 801-9070
- ✓ CSLB License #302616 - look up this number at CSLBInsured - EMPLOYERS PREFERRED INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1975
- Phone
- (760) 727-0306
- ✓ CSLB License #668809 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1993
- Phone
- (760) 744-2807
- ✓ CSLB License #760566 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1999
- Phone
- (760) 801-1978
- ✓ CSLB License #878024 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2006
- Phone
- (760) 458-2797
- ✓ CSLB License #945833 - look up this number at CSLBInsured - HARTFORD CASUALTY INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2010
- Phone
- (760) 644-3805
- ✓ CSLB License #979732 - look up this number at CSLBInsured - EMPLOYERS PREFERRED INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2012
- Phone
- (760) 859-6812
- ✓ CSLB License #1008134 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2015
- Phone
- (888) 614-4483
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Ace Contractors | #175404 | On file | 1958 |
| Rick's Plumbing | #302616 | On file | 1975 |
| Scott Michael Inc. | #668809 | On file | 1993 |
| Empire Pipeline | #760566 | On file | 1999 |
| Socal Construction Plumbing Hvac | #878024 | On file | 2006 |
| M B C Plumbing Services Inc. | #945833 | On file | 2010 |