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Licensed plumbers in Altadena, CA (C-36)
14 new licenses for Plumbing (C-36) across SoCal
Issued Oct 16 – Oct 22, 2026.
See all licensed plumbers in Los Angeles County, by city.
Quick facts
How many licensed plumbers are in Altadena, CA?
19 plumbers with a California CSLB license list a business address in Altadena, CA. 19 of them have an active license in good standing (CSLB data as of 10/22/2026).
How many plumbers in Altadena, CA have a license problem right now?
None are flagged right now. 1 active license expires within 90 days. Each listing below shows the status and a plain-English OK-to-hire verdict.
How do I check if a plumber is licensed?
Search the business name or license number on LicenseWatch CA to see license status, bond and workers' comp in one place, then confirm on the CSLB website before you sign a contract. In California, work over $1,000 in labor and materials requires a licensed contractor.
Featured spot open for plumbers in AltadenaOne licensed plumber can sit above this list, labeled sponsored. Founding rate $1.90 a month. See what you get
Claim this spot| Business | License | Status | Expires |
|---|---|---|---|
| Air Conditioning Solutions Inc | 863580 | Active | 08/31/2027 |
| Altadena Handyman LLC DBA Ah Repipe And Plumbing | 1025813 | Active | 06/30/2027 |
| Altadena Plumbing & Drain Service | 910916 | Active | 11/30/2027 |
| Ar Pro Retrofitter Inc | 940874 | Active | 04/30/2027 |
| Christopher M Potter | 1062587 | Active | 01/31/2028 |
| Crosby Construction | 994490 | Active | 07/31/2028 |
| E L Plumbing Works | 982622 | Active | 04/30/2027 |
| G- 12 Plumbing | 1015408 | Active | 06/30/2028 |
| Gerald Payne Plumbing & Construction | 947434 | Active | 05/31/2028 |
| H P Daniels Construction | 891007 | Active | 02/28/2027 |
| Hickey Plumbing | 459923 | Active | 07/31/2028 |
| Inbound Plumbing | 1088617 | Active | 12/31/2026 |
| LT Ross Plumbing LLC | 1107926 | Active | 08/31/2027 |
| Osmart General Construction Inc | 922233 | Active | 01/31/2027 |
| Right - On Plumbing | 935422 | Active | 06/30/2028 |
| Rustic Construction Enterprises | 449067 | Active | 11/30/2027 |
| Sal T Vargas Plumbing Corporation | 772347 | Active | 12/31/2027 |
| Simco Mechanical Inc | 974288 | Active | 06/30/2028 |
| U S Plumbing | 837455 | Active | 05/31/2028 |
New and lapsed SoCal licenses, every Monday
New licenses, expirations and workers' comp lapses across five counties. One short email a week.