Csi Plumbing

Licensed plumber in Woodland Hills, Los Angeles, California

CSLB licence activeNo Google reviews yet

Csi Plumbing holds CSLB licence 804312, active, licensed since 15 Feb 2002. Bonded for $25,000 with Nationwide Mutual Insurance Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.

65score

Report card

  • Licence activeCSLB #804312, class C36. Issued 15 Feb 2002, expires 30 Jun 2028.
  • Licensed 25 yrsSince 15 Feb 2002.
  • Bonded$25,000 with Nationwide Mutual Insurance Company, since 14 Nov 2025. California requires the same $25,000 bond of every contractor.
  • Workers' comp insuredNational Fire Insurance Company of Hartford, policy 8035867529, valid to 14 Apr 2027.
  • Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
  • 13 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 18 May 2023.

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

About Csi Plumbing

People on the licence
Carlos Jason Serafin (owner)

Recent permits

Building permits pulled under licence #804312, from City of Los Angeles, LADBS open data. Locations are shown to ZIP code only.

  • 18 May 2023 · Plumbing · ZIP 91423Commercial
  • 27 Apr 2023 · Plumbing · ZIP 900451 or 2 Family Dwelling
  • 5 Oct 2022 · Plumbing · ZIP 90034Apartment
  • 15 Sep 2022 · Plumbing · ZIP 90034Apartment
  • 21 Jun 2022 · Plumbing · ZIP 900241 or 2 Family Dwelling

Why it ranks #677 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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