CORNERSTONE CONSTRUCTION SERVICE INC

California contractor license #980455 · Upland, San Bernardino County

License

License number
980455
Status
Clear
Classifications
  • B General Building Contractor
  • C-8 Concrete Contractor
  • C-29 Masonry Contractor
Business type
Corporation
Issued
Jan 17, 2013
Expires
Jan 31, 2027
Workers' compensation
Workers' Compensation Insurance — Insurance Company Of The West
Contractor's bond
$25,000 — American Contractors Indemnity Company
DIR public works registration
Registered through Jun 30, 2027

From the California Contractors State License Board (CSLB) public license file, last updated Jan 2, 2026. Verify license #980455 on CSLB's License Check.

California public works

CORNERSTONE CONSTRUCTION SERVICE INC appears on 24 public works projects registered with the California Department of Industrial Relations, 15 of them as the prime contractor, for 13 awarding bodies between 2023 and 2026. Projects it led total $1,623,762 in reported contract value.

Most recent public works projects
DateProjectAwarding bodyRoleContract amount
Oct 1, 2026Bonita HS FreezerHVAC & mechanicalBonita Unified School DistrictPrime$330,000
Aug 14, 2026Newmark ES Site Drainage ImprovementsSewer & wastewaterSan Bernardino City USD - PurchasingPrime$75,000
Aug 14, 2026Block Wall at MagnoliaConcrete & masonrySan Bernardino City USD - PurchasingPrime$42,797
Jul 1, 2026CONCRETE WORKConcrete & masonryRialto Unified School District - Purchasing ServicesPrime$25,000
May 7, 2026ROGERS ES PATH OF TRAVEL UPGRADEOtherColton Joint Unified School DistrictPrime$213,000
Apr 22, 2026Sonora Fire Station exterior rehabPainting & flooringCity of SonoraPrime$99,110
Apr 1, 2026CORNERSTONE CONSTRUCTION 2526OtherPlacentia Yorba Linda Unified School DistrictPrime$50,000
Mar 27, 2026OCC Kinesiology & Athletics DrywallOtherCoast Community College District - (PUB WORKS)Prime$15,836
Feb 9, 202625-26-08MOIB - P&D Portable RelocationBuildings & facilitiesJurupa Unified School DistrictSubcontractor$115,997
May 1, 2025Portables at Monte VistaBuildings & facilitiesOntario-Montclair School DistrictSubcontractor$712,000
May 1, 2025Portables at El CaminoBuildings & facilitiesOntario-Montclair School DistrictSubcontractor$567,000
Mar 31, 2025Fire Road AsphaltPaving & streetsChaffey Community College DistrictSubcontractor$355,971
Feb 26, 20257328RoofingRedlands Unified School DistrictPrime$43,518
Feb 19, 2025Concrete workConcrete & masonryRialto Unified School District - Purchasing ServicesPrime$24,000
Feb 11, 20256726Plumbing & restroomsRedlands Unified School DistrictPrime$38,363
Feb 11, 2025Cornerstone Construction Services 225-06WaterPlacentia Yorba Linda Unified School DistrictSubcontractor$266,420
Jan 23, 20256261Painting & flooringRedlands Unified School DistrictPrime$29,922
Jan 6, 20252025-831679Concrete & masonrySan Bernardino City USD - PurchasingPrime$30,216
Sep 30, 202424-25-04 POC EV Bus Chargers Ph2Solar, EV & energyMoreno Valley Unified School District.Prime$132,000
Jul 24, 2024Bloomington HS - Foul Ball NettingParks, landscape & fieldsColton Joint Unified School DistrictPrime$475,000
Oct 16, 2023Portable RestroomPlumbing & restroomsSan Jacinto Unified School DistrictSubcontractor—
Oct 16, 2023SJE Portable Classrooms 2023Buildings & facilitiesSan Jacinto Unified School DistrictSubcontractor—
Oct 16, 2023Record Portable Classrooms 2023Buildings & facilitiesSan Jacinto Unified School DistrictSubcontractor—
Oct 16, 2023PHE Portable ClassroomsBuildings & facilitiesSan Jacinto Unified School DistrictSubcontractor—

Most recent 24 of 24. 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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