CORNERSTONE EARTH GROUP INC

California contractor license #905816 · Sunnyvale, Santa Clara County

License

License number
905816
Status
Clear
Classifications
  • A General Engineering Contractor
  • HAZ Hazardous Substance Removal Certification
Business type
Corporation
Issued
Oct 30, 2007
Expires
Oct 31, 2027
Workers' compensation
Workers' Compensation Insurance — Hartford Casualty Insurance Company
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 Feb 6, 2026. Verify license #905816 on CSLB's License Check.

California public works

CORNERSTONE EARTH GROUP INC appears on 95 public works projects registered with the California Department of Industrial Relations, 51 of them as the prime contractor, for 43 awarding bodies between 2019 and 2026. Projects it led total $2,116,021 in reported contract value.

Most recent public works projects
DateProjectAwarding bodyRoleContract amount
Nov 16, 2026El Camino High School - AFSRBPlumbing & restroomsSouth San Francisco Unified School DistrictPrime$40,000
Aug 21, 2026SLVHS Snack ShackPlumbing & restroomsSan Lorenzo Valley Unified School DistrictPrime$25,367
Aug 19, 2026Cristo Rey Drive InvestigationBridges & structuresCity of Los Altos 1Prime$38,600
Jul 6, 2026Laurel ParkParks, landscape & fieldsHayward Area Recreation and Park DistrictPrime$19,030
Jun 25, 2026BHS Parking ExpansionDemolition & site workSan Mateo Union High School DistrictPrime$7,175
Jun 22, 20262026 Stream Maintenance by ContractorsOtherCity of LivermorePrime$12,391
Jun 17, 2026Lakeview MS- EV Bus ElectrificationSolar, EV & energyPajaro Valley Unified School DistrictPrime$17,338
Jun 17, 2026Catch Basin 404 Condition AssessmentStorm drain & flood controlCity of San JosePrime$26,750
Jun 16, 2026MAHS New BleachersBuildings & facilitiesSequoia Union High School DistrictPrime$43,060
Jun 8, 2026Walter Hays Geotech InspectionOtherPalo Alto Unified School DistrictPrime$7,900
Jun 2, 2026Barron Park Geotech InspecitonParks, landscape & fieldsPalo Alto Unified School DistrictPrime$11,125
May 13, 2026Ohlone Geotech InspectionOtherPalo Alto Unified School DistrictPrime$12,725
May 13, 2026Duveneck Geotech InspectionsOtherPalo Alto Unified School DistrictPrime$12,725
Mar 30, 2026Elia Park - CONSULTINGDesign, inspection & consultingCity of San JosePrime$36,500
Mar 10, 2026Geotechnical Engineering ServicesDesign, inspection & consultingBayshore Elementary School DistrictPrime$24,800
Feb 25, 2026Palo Alto High School Quad RenovationsBuildings & facilitiesPalo Alto Unified School DistrictPrime$30,340
Feb 10, 2026Sherwood ES - New MPR/KitchenBuildings & facilitiesSalinas City Elementary School DistrictPrime$53,710
Feb 10, 2026Kammann ES - New MPR/Base KitchenBuildings & facilitiesSalinas City Elementary School DistrictPrime$53,710
Feb 10, 2026Natividad ES - Prefab Classroom BuildingBuildings & facilitiesSalinas City Elementary School DistrictPrime$65,695
Feb 10, 2026Misson Park ES - New MPR/Base KitchenParks, landscape & fieldsSalinas City Elementary School DistrictPrime$53,710
Feb 10, 2026Lincoln ES - Prefab Classroom BuildingBuildings & facilitiesSalinas City Elementary School DistrictPrime$65,695
Feb 2, 2026Future Developer Prop. Bernal & FirstPaving & streetsPleasanton Unified School DistrictPrime$43,175
Jan 26, 2026N. San Pedro & Bassett Park - CONSULTINGDesign, inspection & consultingCity of San JosePrime$70,600
Jan 12, 2026New Brighton Middle School ModernizationBuildings & facilitiesSoquel Union Elementary School DistrictPrime$23,450
Dec 11, 2025Monte Verde Geotech SurveyBuildings & facilitiesSouth San Francisco Unified School DistrictPrime$50,170

Most recent 25 of 95. 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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