Best Licensed Plumbers in Lake Forest, CA
24 plumbing companies registered in Lake Forest 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 24 companies registered in Lake Forest. 24 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #284984 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1973
- Phone
- (949) 632-3722
- ✓ CSLB License #414946 - look up this number at CSLBInsured - SERVICE AMERICAN INDEMNITY COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1981
- Phone
- (949) 829-0910
- ✓ CSLB License #715588 - look up this number at CSLBInsured - ENDURANCE ASSURANCE CORPORATIONBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1995
- Phone
- (949) 470-0072
- ✓ CSLB License #874632 - look up this number at CSLBInsured - AMERICAN CASUALTY COMPANY OF READING PABonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2006
- Phone
- (714) 402-5370
- ✓ CSLB License #922736 - look up this number at CSLBInsured - TECHNOLOGY INSURANCE COMPANY INCBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2008
- Phone
- (714) 397-5954
- ✓ CSLB License #942010 - look up this number at CSLBBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2010
- Phone
- (949) 439-3975
- ✓ CSLB License #1003658 - look up this number at CSLBInsured - NORGUARD INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2015
- Phone
- (888) 554-8820
- ✓ CSLB License #1026873 - look up this number at CSLBInsured - AMTRUST INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2017
- Phone
- (949) 266-1282
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Osp Commercial Inc. | #284984 | On file | 1973 |
| Saddleback Plumbing Inc. | #414946 | On file | 1981 |
| All Star Plumbing & Fire Sprinkler Inc. | #715588 | On file | 1995 |
| Designed Technical Solutions Inc. | #874632 | On file | 2006 |
| Pristine Plumbing Inc. | #922736 | On file | 2008 |
| Enhanced Plumbing Inc. | #942010 | Exempt or none on file | 2010 |