BLACH CONSTRUCTION COMPANY

California contractor license #290418 · San Jose, Santa Clara County

License

License number
290418
Status
Clear
Classifications
  • A General Engineering Contractor
  • B General Building Contractor
Business type
Corporation
Issued
Jan 24, 1974
Expires
Jun 30, 2027
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, 2029

From the California Contractors State License Board (CSLB) public license file, last updated Apr 1, 2026. Verify license #290418 on CSLB's License Check.

California public works

BLACH CONSTRUCTION COMPANY appears on 75 public works projects registered with the California Department of Industrial Relations, 39 of them as the prime contractor, for 26 awarding bodies between 2015 and 2026. Projects it led total $409,027,353 in reported contract value.

Most recent public works projects
DateProjectAwarding bodyRoleContract amount
Jul 14, 2026Student Center HVAC Replacement ProjectDesign, inspection & consultingGavilan College DistrictPrime$2,996,293
Jun 30, 2026WAYFINDING SIGNAGEOtherFremont Union High School DistrictPrime$155,000
Jun 30, 2026Sunnyvale MS Campus Modernization INC 2Buildings & facilitiesSunnyvale School DistrictPrime$49,703,711
Jun 30, 2026HHS HVAC REPLACEMENTHVAC & mechanicalFremont Union High School DistrictPrime$183,743
Jun 22, 2026Westlake Elementary SchoolBuildings & facilitiesSanta Cruz City SchoolsPrime$1,375,585
May 4, 2026SAN ANTONIO CAMPUS PROJECT INCREMENT #1Buildings & facilitiesLos Altos School DistrictPrime$13,949,555
Feb 4, 2026JFK HVAC ProjectHVAC & mechanicalRedwood City School DistrictPrime$7,823,818
Feb 4, 2026Clifford HVACHVAC & mechanicalRedwood City School DistrictPrime$5,658,546
Feb 4, 2026Orion HVAC ProjectHVAC & mechanicalRedwood City School DistrictPrime$4,545,678
Dec 16, 202525-26 SBHS Campus Mod and RemodelBuildings & facilitiesSan Benito High School DistrictPrime$3,000,000
Oct 7, 2025Cupertino HS Emergency Fire AlarmFire & life safetyFremont Union High School DistrictPrime$2,903,396
Oct 1, 2025SAN ANTONIO CAMPUSBuildings & facilitiesLos Altos School DistrictPrime$90,000,000
Aug 1, 2025Innovation Campus Phase IIIBuildings & facilitiesMilpitas Unified School DistrictPrime$588,426
Jul 22, 2025CHS New Music BuildingBuildings & facilitiesFremont Union High School DistrictPrime$48,198
Jun 30, 2025Sunnyvale MS Campus Modernication INC 1Buildings & facilitiesSunnyvale School DistrictPrime$5,621,132
Jun 18, 2025Lincoln ES ModernizationBuildings & facilitiesLong Beach USD - Facilities Development & PlanningPrime$18,212,884
Jun 11, 2025HVAC- UpgradesHVAC & mechanicalRedwood City School DistrictSubcontractor$4,591,346
Jun 11, 2025Portable AC InstallationBuildings & facilitiesRedwood City School DistrictPrime$101,298
Jun 11, 2025Portable AC InstallationBuildings & facilitiesRedwood City School DistrictPrime$101,928
Jun 11, 2025Temp HVACHVAC & mechanicalRedwood City School DistrictPrime$101,298
Jun 11, 2025Portable AC InstallationBuildings & facilitiesRedwood City School DistrictPrime$25,000
Jun 11, 2025Portable AC installationBuildings & facilitiesRedwood City School DistrictPrime$101,298
Jun 11, 2025HVAC UpgradesHVAC & mechanicalRedwood City School DistrictPrime$4,852,288
Jun 11, 2025Portable AC InstallationBuildings & facilitiesRedwood City School DistrictPrime$101,298
Jun 11, 2025Portable AC installationBuildings & facilitiesRedwood City School DistrictPrime$101,298

Most recent 25 of 75. 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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