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Onyx Building Company

Licensed general contractor in Chatsworth, Los Angeles, California

CSLB licence activeNo Google reviews yet

Onyx Building Company holds CSLB licence 772977, active, licensed since 29 Dec 1999. Bonded for $25,000 with Hudson Insurance Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.

65score
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Report card

  • Licence activeCSLB #772977, class B. Issued 29 Dec 1999, expires 31 Mar 2027.
  • Licensed 27 yrsSince 29 Dec 1999.
  • Bonded$25,000 with Hudson Insurance Company, since 13 Feb 2023. 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
  • 3 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 6 Sep 2022.

Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.

About Onyx Building Company

People on the licence
Michael Dennis Groff (qualifier, CEO and president)

Recent permits

Building permits pulled under licence #772977, from City of Los Angeles, LADBS open data, which names contractors up to 30 Oct 2026. Locations are shown to ZIP code only.

  • 6 Sep 2022 · HVAC · ZIP 91325Install new spray booth ventilation system.
  • 17 Feb 2022 · Electrical · ZIP 91325Commercial
  • 17 Feb 2022 · HVAC · ZIP 91325Commercial

Why it ranks #2830 of 9,857 general contractors 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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