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Licensed Plumbers in Rosemead, California

Updated November 1, 2026 from CSLB's public license file · C-36 Plumbing Contractor

  • 26licensed plumbers
  • 26active (Clear)
  • 0%with a suspension
  • 65.4%workers' comp exempt
  • 13.9 yrsmedian time licensed
  • 50%corp / LLC / partnership (50% sole owner)
  • 2new in the last 12 months
  • —change tracking began November 1, 2026

Rosemead is home to 26 plumbers in CSLB's license file, ranking #62 of 74 Los Angeles County cities for this trade. 100% are Clear.

65.4% report a workers' comp exemption, 14.2 points higher than the statewide figure for plumbers (51.2%), so many of these businesses say they have no employees. The share with a suspension, 0%, is 4.6 points lower than the Los Angeles County rate for the same license (4.6%).

2 of these licenses are less than a year old, while 53.8% have been held for 10 years or more. The median is 13.9 years.

In California this work generally calls for the C-36 Plumbing Contractor license (or a B license when it is part of a larger multi-trade job). See the C-36 Plumbing Contractor guide for what the license covers.

How to check a plumber's license in Rosemead

  1. Open the plumber's profile from the table below (or search Rosemead listings by name). Check that C-36 appears among its classifications and that the primary status reads Clear. What C-36 covers.
  2. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 0% of Rosemead listings here already show a suspension.
  3. Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed plumber is required by law. See the $1,000 rule.

All 26 plumbers in Rosemead

Rosemead plumbers sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed plumbers in Rosemead
Business nameLicense #StatusYearsWorkers' compBond
Alhambra Backflow 416044 Clear 44 Insured On file
C A P Construction CO 518707 Clear 39 Exempt On file
Lai Paul 518704 Clear 39 Exempt On file
Chan Michael 538162 Clear 38 Exempt On file
J P Construction CO 642751 Clear 34 Insured On file
Tai's Plumbing Corp 673382 Clear 33 Insured On file
Antonio the Drain Specialist 693288 Clear 32 Exempt On file
T Y Construction INC 716679 Clear 30 Insured On file
C O Plumbing Company INC 754458 Clear 28 Exempt On file
Gary Steven's Plumbing 891131 Clear 19 Exempt On file
Sayataw Wu Kong 926656 Clear 17 Exempt On file
Howard Pacific Plumbing INC 947162 Clear 16 Exempt On file
Bezalel Group INC 979250 Clear 13 Insured On file
G C B T Construction & Design 979239 Clear 13 Insured On file
Wai Sonny 1023383 Clear 9 Exempt On file
Gip Howard 1025443 Clear 9 Exempt On file
E R O Z Plumbing INC 1026493 Clear 9 Insured On file
Hon Henry Chi Tat 1030130 Clear 9 Exempt On file
Ch Supply INC 1062791 Clear 6 Insured On file
Just Rooter and Plumbing 1113195 Clear 2 Exempt On file
K - One Plumbing 1119320 Clear 2 Insured On file
Gonvarg Plumbing INC 1122413 Clear 2 Exempt On file
Man Sam Plumbing 1128873 Clear 2 Exempt On file
Zhou Jun 1136167 Clear 1 Exempt On file
Los Angeles Trueblue Plumbing Corp 1159852 Clear <1 Exempt On file
L & A Plumbing LLC 1162162 Clear <1 Exempt On file

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed plumbers are in Rosemead?

CSLB's current public file lists 26 plumbers with a Rosemead mailing address. 26 have a Clear status, and 80.8% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does a plumber need in California?

Look for C-36 on the license. 26 businesses in Rosemead hold it. Small jobs under $1,000 with no permit and no employees are exempt; everything else needs a license (details).

How do I check a plumber's workers' comp?

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among Rosemead plumbers, 65.4% are exempt (no employees), 34.6% insured and 0% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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Guides