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Primestone Construction INC

Licensed electrician, plumber in Los Angeles, California

CSLB licence activeNo Google reviews yet

Primestone Construction INC holds CSLB licence 1155708, active, licensed since 26 May 2026. Bonded for $25,000 with Western Surety Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.

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Report card

  • Licence activeCSLB #1155708, class B, C10, C36. Issued 26 May 2026, expires 31 May 2028.
  • Licensed <1 yrSince 26 May 2026.
  • Bonded$25,000 with Western Surety Company, since 11 May 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

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

About Primestone Construction INC

People on the licence
Chaekyong Ko (rmo), Cesar Sanchez (ceo / president), Ramiro Sampedro Hernandez (officer)

Why it ranks #2562 of 2,713 electricians in Los Angeles

Years licensed weight 302%
Complaint record weight 25100%
Bond and workers' comp weight 10100%
Google reviews weight 350%

Score 35.7 / 100. Claiming this listing or using Theo never changes it. How we rank

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