CON-QUEST CONTRACTORS INC

California contractor license #818668 · Burlingame, San Mateo County

License

License number
818668
Status
Clear
Classifications
  • A General Engineering Contractor
  • B General Building Contractor
  • C-31 Construction Zone Traffic Control Contractor
  • C-57 Well Drilling Contractor
  • HAZ Hazardous Substance Removal Certification
Business type
Corporation
Issued
Apr 8, 2003
Expires
Apr 30, 2028
Workers' compensation
Workers' Compensation Insurance — Starr Indemnity & Liability Company
Contractor's bond
$25,000 — Suretec Insurance Company
DIR public works registration
Registered through Jun 30, 2028

From the California Contractors State License Board (CSLB) public license file, last updated Jul 1, 2026. Verify license #818668 on CSLB's License Check.

California public works

CON-QUEST CONTRACTORS INC appears on 35 public works projects registered with the California Department of Industrial Relations, 11 of them as the prime contractor, for 14 awarding bodies between 2015 and 2026. Projects it led total $14,972,235 in reported contract value.

Most recent public works projects
DateProjectAwarding bodyRoleContract amount
Feb 28, 2028East Pipeline I&R ProjectOtherSanta Clara Valley Water District - CCSUPrime$4,809,014
Jul 24, 2026Cary Haas Pedestrian Bridge ReplacementBridges & structuresCity of San LeandroPrime$976,775
Jun 26, 2026Penitencia Delivery and Force Main InspeOtherSanta Clara Valley Water District - CCSUPrime$6,591,000
Jun 20, 2026Clayton Road Emergency RepairPaving & streetsContra Costa Water DistrictPrime$150,000
Jun 8, 2026Parkside Avenue Bridge ReplacementStorm drain & flood controlTown of HillsboroughPrime$976,446
May 22, 2026Old River Pipeline Corrosion MonitoringOtherContra Costa Water DistrictPrime$90,000
Apr 21, 2026Pescadero Fire Station 59OtherCounty of San Mateo - Facilities Projects & ConstructionSubcontractor$22,974,579
Mar 10, 2026Juvenile Hall Water ServiceWaterContra Costa County Public Works DepartmentSubcontractor$664,719
Oct 1, 2025Contra Costa Blvd Leak RepairWaterContra Costa Water DistrictPrime$500,000
Aug 1, 2025Lateral 46.7Sewer & wastewaterContra Costa Water DistrictPrime$190,000
Jun 16, 2025MH Phase 2 - Arcy Lane RehabSewer & wastewaterDelta DiabloSubcontractor$1,260,000
Jun 5, 2025Storm Damage Repairs - PNs 124085-125081Storm drain & flood controlContra Costa Water DistrictSubcontractor$2,199,530
Jun 4, 2025Fire Hydrant Maintenance, C7068Watercity of martinezPrime$458,750
Apr 16, 2025Port Costa Pipeline Leak RepairOtherContra Costa Water DistrictSubcontractor$500,000
Mar 20, 2025886 Howe Road Temporary Spot RepairSewer & wastewaterMt View Sanitary DistrictPrime$32,250
Sep 12, 2024LV Toe Drain ProjectConcrete & masonryContra Costa Water DistrictPrime$198,000
Aug 7, 2024Taylor Blvd Zone 1 & 2 ValveOtherContra Costa Water DistrictSubcontractor$1,500,000
May 1, 20242023 Water Main Replacement ProjectWatercity of martinezSubcontractor—
Feb 5, 2024Vasona Pedestrian GatesTraffic & signalsSanta Clara Valley Transportation AuthoritySubcontractor—
Sep 6, 2023Snell Pipeline Inspection and RehabilitaOtherSanta Clara Valley Water District - CCSUSubcontractor—
Sep 1, 2023Santa Clara Conduit Inspection and RehabOtherSanta Clara Valley Water District - CCSUSubcontractor—
Jun 19, 2023Manhole, Gravity Interceptor, and EasemeSewer & wastewaterDelta DiabloSubcontractor—
Jan 8, 2023Rail Rehabilitation Project Phase 8Buildings & facilitiesVTASubcontractor—
Nov 30, 2022Guadalupe River Bridge Replacement ProjeBridges & structuresPeninsula Corridor Joint Powers BoardSubcontractor—
Oct 19, 2022Manhole, Gravity Interceptor, and EasemeSewer & wastewaterDelta DiabloSubcontractor—

Most recent 25 of 35. 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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