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License-verified directoryLicensed Plumbers in Los Angeles County
4,504 contractors holding an active C-36 Plumbing license with no suspension on file, from the California Contractors State License Board. Data as of October 22, 2026.
This is a license directory, not a ranking or an endorsement. It lists license facts only. Always confirm a license, bond and insurance on the state's license check before hiring. New here? Read our license check guide, try the estimate checker, or see LA rebates and permits.
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| Business | Location | License # | Licensed | Expires | Workers' comp | Contractor bond | |
|---|---|---|---|---|---|---|---|
| 1 - 2 - 3 Plumbing & Rooter Sole owner | Sherman Oaks 91423 | 892440 | 19 yrs | 03/31/2027 | Exempt (no employees) | $25,000 | View on Google Maps |
| 1 Day Rooter & Plumbing Inc Corporation | Hacienda Heights 91745 | 1100437 | 3 yrs | 01/31/2027 | Exempt (no employees) | $25,000 | View on Google Maps |
| 1 King Plumbing & Drain LLC LLC | Lancaster 93534 | 1163172 | 0 yrs | 10/31/2028 | Exempt (no employees) | $25,000 | View on Google Maps |
| 101 Plumbing & Rooter Corporation | Los Angeles 90031 | 1109518 | 3 yrs | 06/30/2028 | Exempt (no employees) | $25,000 | View on Google Maps |
| 1320 Plumbing Inc Corporation | Pacoima 91331 | 1103748 | 3 yrs | 04/30/2027 | Workers' comp on file | $25,000 | View on Google Maps |
| 20/20 Relining & Rooter Corporation | Palmdale 93551 | 1068541 | 6 yrs | 09/30/2028 | Workers' comp on file | $25,000 | View on Google Maps |
| 23 1/2 Hrs Plumbing Corporation | Harbor City 90710 | 1122524 | 2 yrs | 06/30/2028 | Exempt (no employees) | $25,000 | View on Google Maps |
| 24 Hour Rooter Inc Corporation | Palmdale 93551 | 1004806 | 11 yrs | 08/31/2028 | Exempt (no employees) | $25,000 | View on Google Maps |
| 24 Hr Plumbing Corporation | Lawndale 90260 | 779744 | 26 yrs | 08/31/2028 | Exempt (no employees) | $25,000 | View on Google Maps |
| 24 Rooter & Plumbing Inc Corporation | Claremont 91711 | 1126081 | 2 yrs | 09/30/2028 | Workers' comp on file | $25,000 | View on Google Maps |
| 24/7 Leak Detection & Plumbing Inc Corporation | Mission Hills 91345 | 1129488 | 2 yrs | 11/30/2026 | Exempt (no employees) | $25,000 | View on Google Maps |
| 24/7 Rescue Plumbing Services Inc Corporation | Van Nuys 91405 | 1061690 | 7 yrs | 12/31/2027 | Exempt (no employees) | $25,000 | View on Google Maps |
| 2M Plumbing Inc Corporation | Van Nuys 91409 | 1121115 | 2 yrs | 05/31/2028 | Workers' comp on file | $25,000 | View on Google Maps |
| 2R Plumbing Inc Corporation | Los Angeles 90018 | 1119642 | 2 yrs | 04/30/2028 | Workers' comp on file | $25,000 | View on Google Maps |
| 3 & 1 Plumbing Inc Corporation | Winnetka 91306 | 1074894 | 5 yrs | 04/30/2027 | Exempt (no employees) | $25,000 | View on Google Maps |
| 3 Ten Plumbing Inc Corporation | Torrance 90505 | 1103473 | 3 yrs | 04/30/2027 | Workers' comp on file | $25,000 | View on Google Maps |
| 310 Plumbing Inc Corporation | Santa Monica 90405 | 901968 | 19 yrs | 01/31/2028 | Exempt (no employees) | $25,000 | View on Google Maps |
| 360 Contractors Group Inc Corporation | Burbank 91505 | 1001481 | 11 yrs | 02/28/2027 | Workers' comp on file | $25,000 | View on Google Maps |
| 360 Plumbing Inc Corporation | Tarzana 91357 | 1032765 | 9 yrs | 11/30/2027 | Workers' comp on file | $25,000 | View on Google Maps |
| 4-Eveready Plumbing Sole owner | Bellflower 90706 | 508683 | 39 yrs | 04/30/2027 | Exempt (no employees) | $25,000 | View on Google Maps |
| 4-Life Plumbing Inc Corporation | Panorama City 91402 | 1157574 | 0 yrs | 07/31/2028 | Exempt (no employees) | $25,000 | View on Google Maps |
| 4M Plumbing Sole owner | Sylmar 91342 | 1084258 | 5 yrs | 11/30/2027 | Workers' comp on file | $25,000 | View on Google Maps |
| 4M Plumbing Inc Corporation | Sylmar 91342 | 1141852 | 1 yrs | 08/31/2027 | Workers' comp on file | $25,000 | View on Google Maps |
| 5 Star Best Plumbing Corporation | Newhall 91321 | 1041772 | 8 yrs | 07/31/2028 | Workers' comp on file | $25,000 | View on Google Maps |
| 5 Star Builders Inc Corporation | West Hills 91304 | 1012362 | 10 yrs | 03/31/2028 | Workers' comp on file | $25,000 | View on Google Maps |
How this directory works
Source
The California Contractors State License Board (CSLB) public License Master file, downloaded October 22, 2026. We include licenses in Los Angeles County holding the C-36 Plumbing classification with a status of "Clear" and no secondary status flag.
What we don't show
No star ratings, no review scores, no phone numbers or emails, and no ranking by quality. We show license facts only, and the order is alphabetical unless you sort otherwise.
Corrections and removals
License data changes daily and ours is a snapshot. To correct or remove a listing, email info@cmmad.com with the license number. Verify current status with the CSLB.
CMMAD is an independent business and is not affiliated with the CSLB or any contractor listed here. Listing in this directory does not imply endorsement. "View on Google Maps" opens a Google search in a new tab; ratings and reviews shown there belong to Google and its users. If we later add sponsored placements, they will be clearly labeled.
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