JCOS DEVELOPMENT INC

California contractor license #1031043 · Placentia, Orange County

License

License number
1031043
Status
Clear
Classifications
  • B General Building Contractor
  • C-10 Electrical Contractor
Business type
Corporation
Issued
Sep 15, 2017
Expires
Sep 30, 2027
Workers' compensation
Workers' Compensation Insurance — Endurance Assurance Corporation
Contractor's bond
$25,000 — Atlantic Specialty Insurance Company
DIR public works registration
Registered through Jun 30, 2029

From the California Contractors State License Board (CSLB) public license file, last updated Sep 10, 2026. Verify license #1031043 on CSLB's License Check.

California public works

JCOS DEVELOPMENT INC appears on 18 public works projects registered with the California Department of Industrial Relations, for 11 awarding bodies between 2023 and 2026.

Most recent public works projects
DateProjectAwarding bodyRoleContract amount
Jun 4, 2026Fire Station # 3 Restroom / Kitchen RennPlumbing & restroomsCity of ComptonSubcontractor$672,700
Jun 1, 2026KHS Gym Videoboards (Summer 26)Buildings & facilitiesCalifornia State University, FullertonSubcontractor$287,679
Mar 23, 2026CC 900 Gilbert St Cttg No 3 PNT and FLRPainting & flooringCounty of San Bernardino - Project Management DivisionSubcontractor$96,534
Mar 16, 2026PSD Child Development CeParks, landscape & fieldsSan Bernardino County-Project and Facilities Management DepartmentSubcontractor$570,000
Mar 2, 2026Humanities 8th Floor RefreshPainting & flooringCalifornia State University, FullertonSubcontractor$497,559
Feb 8, 2026CPAC Orchestra Pit CoverBuildings & facilitiesCalifornia State University, FullertonSubcontractor$312,547
Nov 4, 2025Fire Station 1 Site ImprovementsSewer & wastewaterCity of MurrietaSubcontractor$2,777,760
Oct 22, 2025SHR Big Bear Station RemodelBuildings & facilitiesCounty of San Bernardino - Project Management DivisionSubcontractor$714,910
Oct 22, 2025SHR Big Bear Station RemodelBuildings & facilitiesCounty of San Bernardino - Project Management DivisionSubcontractor$399,986
Oct 20, 2025JOC 2521GGBuildings & facilitiesCounty of Los Angeles Department of Public WorksSubcontractor$6,200,000
Jul 21, 2025Demuth Park Pickleball Court ExpansionParks, landscape & fieldsCity of Palm Springs, CASubcontractor$5,105,220
Jul 1, 2025Best of the West Concession StandDemolition & site workCity of Palmdale Public Works DepartmentSubcontractor$509,995
Dec 12, 2024MOB Coordinated Re-entry CenterPlumbing & restroomsCounty of Orange/OC Public WorksSubcontractor$287,458
Oct 16, 2024JOB ORDER CONTRACT 2416GGBuildings & facilitiesCounty of Los Angeles Department of Public WorksSubcontractor$5,700,000
Aug 7, 2024PLS 6th Floor RenovationFire & life safetyCalifornia State University, FullertonSubcontractor$5,602,528
Apr 30, 2024Irvine Animal Care Center RenovationDemolition & site workCity of IrvineSubcontractor$23,471,537
Nov 19, 2023JOC-MOB- Coordinated Re-entry CenterBuildings & facilitiesCounty of Orange/OC Public WorksSubcontractor$4,335,914
Jun 1, 2023EJOC54OtherLos Angeles County Internal Services DepartmentSubcontractor—

Most recent 18 of 18. 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

Is this your business?

Claim it on Atriam to add your work photos, service area and a booking link, and to run calls, leads, estimates and invoices in one place — free.

Claim this business