Best Licensed Plumbers in Los Angeles, CA
565 plumbing companies registered in Los Angeles 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.
- 4,272 active C-36 plumbing licenses in Los Angeles County; 582 registered in Los Angeles
- 247 of Los Angeles's 582 licenses (42.4%) carry current workers' compensation cover, not liability insurance; a blank usually means an owner-operator with no employees
- Median time licensed in Los Angeles: 12 years
- Longest Los Angeles licensure: since 1958
- 375 county licenses reach their expiration date within 90 days
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- Verified
- August 17, 2026
- Licensed since
- 1958
- Phone
- (310) 398-8855
- Verified
- August 17, 2026
- Licensed since
- 1959
- Phone
- (323) 469-5851
- Verified
- August 17, 2026
- Licensed since
- 1961
- Phone
- (310) 670-2404
- Verified
- August 17, 2026
- Licensed since
- 1963
- Phone
- (323) 664-2906
- Verified
- August 17, 2026
- Licensed since
- 1964
- Phone
- (323) 467-7127
- Verified
- August 17, 2026
- Licensed since
- 1972
- Phone
- (310) 559-1213
- Verified
- August 17, 2026
- Licensed since
- 1976
- Phone
- (310) 641-5404
- Verified
- August 17, 2026
- Licensed since
- 1979
- Phone
- (323) 261-5166
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Roy E Smith Plumbing Co Inc. | #179873 | On file | 1958 |
| R O Stewart Plumbing & Heating Co | #186403 | On file | 1959 |
| Heflin & E Paul Plumbing Inc. | #202227 | On file | 1961 |
| Red Lilly Plumbing Inc. | #218270 | On file | 1963 |
| Yousen Plumbing Co Inc. | #229945 | On file | 1964 |
| H E Woolsey Corporation | #275493 | On file | 1972 |
Los Angeles County plumbing licensure at a glance
California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 4,272 active C-36 plumbing licenses in Los Angeles County, 582 of them registered in Los Angeles. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Los Angeles license has been held 12 years, and the longest-standing one dates to 1958. 247 of Los Angeles's 582 licenses (42.4%) carry current workers' compensation cover in CSLB's file. That is employee injury cover, not liability insurance, and a blank usually means an owner-operator with no employees - lawful, and not a mark against anyone. The contractor bond is not a signal here: 4,270 of the county's 4,272 licenses carry the same $25,000 bond California sets by statute. 375 county licenses reach their expiration date within the next 90 days. CSLB cannot link straight to a license record, so every listing above shows its number for you to type into CSLB's license lookup. How we verify.
Plumbers in Los Angeles: common questions
How many licensed plumbers are there in Los Angeles?
582 active C-36 plumbing licenses are registered in Los Angeles, out of 4,272 across Los Angeles County. 565 Los Angeles-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses CSLB shows as CLEAR and unexpired are listed.
Does California license plumbers?
Yes. California licenses contractors by classification, and C-36 is the CSLB classification that authorises this work. 582 active C-36 plumbing licenses are registered in Los Angeles and 4,272 across Los Angeles County, the longest-standing issued in 1958. Only CLEAR, unexpired licenses appear here.
How do I check a plumber's license in California?
Every listing above shows its CSLB license number. CSLB cannot link straight to a record, so open its license lookup and type the number in: it shows status, expiration, the contractor bond and workers' compensation cover, which 247 of Los Angeles's 582 currently carry. 375 Los Angeles County licenses expire within 90 days.