ENVIRONMENTAL SYSTEMS INC

California contractor license #422478 · Santa Clara, Santa Clara County

License

License number
422478
Status
Clear
Classifications
  • B General Building Contractor
  • C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor
  • C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
  • C-36 Plumbing Contractor
  • C-38 Refrigeration Contractor
  • C-43 Sheet Metal Contractor
Business type
Corporation
Issued
May 17, 1982
Expires
May 31, 2028
Workers' compensation
Workers' Compensation Insurance — Zurich American Insurance Company
Contractor's bond
$25,000 — Liberty Mutual Insurance Company
DIR public works registration
Registered through Jun 30, 2028

From the California Contractors State License Board (CSLB) public license file, last updated Oct 1, 2026. Verify license #422478 on CSLB's License Check.

California public works

ENVIRONMENTAL SYSTEMS INC appears on 121 public works projects registered with the California Department of Industrial Relations, 80 of them as the prime contractor, for 40 awarding bodies between 2015 and 2026. Projects it led total $26,695,801 in reported contract value.

Most recent public works projects
DateProjectAwarding bodyRoleContract amount
Oct 1, 2026SJUSD Freezers/Refrigerators 11 sitesHVAC & mechanicalSan Jose Unified School DistrictPrime$24,900
Sep 23, 2026BPO HVAC-R REPAIR SJUSD DISTRICT WIDEHVAC & mechanicalSan Jose Unified School DistrictPrime$24,900
Sep 23, 2026BPO DELTA EMS SOFTWARE/SERVICEHVAC & mechanicalSan Jose Unified School DistrictPrime$21,600
Sep 10, 2026Install Delta controls at Animal ShelterOtherCounty of San Luis ObispoPrime$47,455
Sep 3, 2026Galarza Elementary - ESIBuildings & facilitiesSan Jose Unified School DistrictPrime$43,790
Sep 3, 2026Grant Elementary - ESIOtherSan Jose Unified School DistrictPrime$38,800
Sep 3, 2026Carson Elementary - ESIOtherSan Jose Unified School DistrictPrime$39,800
Sep 3, 2026Hoover - ESI ProjectHVAC & mechanicalSan Jose Unified School DistrictPrime$18,638
Sep 3, 2026Horace Mann AHU#1 - ESIHVAC & mechanicalSan Jose Unified School DistrictPrime$96,115
Sep 3, 2026Horace Mann CV#2 - ESIOtherSan Jose Unified School DistrictPrime$46,370
Sep 3, 2026Reed Elementary - ESIRoofingSan Jose Unified School DistrictPrime$17,490
Sep 3, 2026Anne Darling Elementary - ESIHVAC & mechanicalSan Jose Unified School DistrictPrime$40,970
Aug 11, 202696001003OtherSan Jose-Evergreen Community College DistrictPrime$28,550
Aug 10, 2026Energy Management Systems Maintenance 20OtherButte CountyPrime$76,640
Aug 3, 2026CCC Bldg A Chiller System ReplacementHVAC & mechanicalCity of CampbellPrime$406,792
Jun 29, 2026Replace Boiler SystemsWaterLos Gatos-Saratoga Joint Union High School DistrictPrime$60,312
Jun 24, 2026Delta HVAC Controls Upgrade 7HVAC & mechanicalButte CountyPrime$79,331
Jun 23, 2026Gridley Behavioral Health CenterPaving & streetsButte CountySubcontractor$7,167,175
Jun 23, 2026SENIOR CENTER HVAC CHILLERHVAC & mechanicalCity of Mountain ViewPrime$83,513
Jun 11, 2026SHS Gym Complex: Re-Pipe Inside AHU RmBuildings & facilitiesLos Gatos-Saratoga Joint Union High School DistrictPrime$36,305
Jun 9, 2026GARDNER ES REPAIR CKT 1 & CKT 2Buildings & facilitiesSan Jose Unified School DistrictPrime$17,428
Jun 8, 2026Replace Unit RTU 36HVAC & mechanicalLos Gatos-Saratoga Joint Union High School DistrictPrime$32,400
Jun 3, 2026Horace Mann - HVAC inspection RepairsHVAC & mechanicalSan Jose Unified School DistrictPrime$30,000
Jun 3, 2026Washington ES Inspect Survey HVACHVAC & mechanicalSan Jose Unified School DistrictPrime$52,530
Jun 1, 2026Replace Unit HV-1-2HVAC & mechanicalLos Gatos-Saratoga Joint Union High School DistrictPrime$52,400

Most recent 25 of 121. Contract amounts are the whole project's, as the awarding body reported them to DIR (reported since July 2024); a role is "Prime" when the awarding body registered the contractor on the project.

Awarding bodies it works for most

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