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Duk Soo Plumbing

Licensed plumber in North Hills, Los Angeles, California

CSLB licence activeNo Google reviews yet

Duk Soo Plumbing holds CSLB licence 542129, active, licensed since 26 Sep 1988. Bonded for $25,000 with Nationwide Mutual Insurance Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.

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Report card

  • Licence activeCSLB #542129, class C36. Issued 26 Sep 1988, expires 30 Sep 2028.
  • Licensed 38 yrsSince 26 Sep 1988.
  • Bonded$25,000 with Nationwide Mutual Insurance Company, since 26 Aug 2026. California requires the same $25,000 bond of every contractor.
  • Works aloneExempt from workers' comp: certifies no employees, so nobody else may work on your job.
  • Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
  • 2 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 17 Feb 2023.

Checked against the Contractors State License Board (CSLB) register on 3 Nov 2026.

About Duk Soo Plumbing

People on the licence
Kook Dong Kim (owner)

Recent permits

Building permits pulled under licence #542129, from City of Los Angeles, LADBS open data. Locations are shown to ZIP code only.

  • 17 Feb 2023 · Plumbing · ZIP 90018Apartment
  • 28 May 2021 · Plumbing · ZIP 900061 or 2 Family Dwelling

Why it ranks #428 of 1,934 plumbers in Los Angeles

Years licensed weight 30100%
Complaint record weight 25100%
Bond and workers' comp weight 10100%
Google reviews weight 350%

Score 65 / 100. Claiming this listing or using Theo never changes it. How we rank

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