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Western Environmental Systems Company

Licensed HVAC contractor in San Diego, California

CSLB licence activeNo Google reviews yet

Western Environmental Systems Company holds CSLB licence 26814, active, licensed since 26 Nov 1930. Bonded for $25,000 with Philadelphia Indemnity Insurance Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.

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Report card

  • Licence activeCSLB #26814, class C20, C38. Issued 26 Nov 1930, expires 30 Jun 2028.
  • Licensed 96 yrsSince 26 Nov 1930.
  • Bonded$25,000 with Philadelphia Indemnity Insurance Company, since 1 Sep 2026. California requires the same $25,000 bond of every contractor.
  • Workers' comp insuredState Compensation Insurance Fund, policy 9149854, valid to 1 Jan 2027.
  • 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 Western Environmental Systems Company

People on the licence
Mark Edward Mussen (qualifier, CEO and president)

Why it ranks #84 of 242 HVAC contractors in San Diego

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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