CAROLLO ENGINEERS INC
California contractor license #957452 · Costa Mesa, Orange County
License
- License number
- 957452
- Status
- Clear
- Classifications
- A General Engineering Contractor
- Business type
- Corporation
- Issued
- Feb 8, 2011
- Expires
- Feb 28, 2027
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance Company
- Contractor's bond
- $25,000 — Arch 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 22, 2026. Verify license #957452 on CSLB's License Check.
California public works
CAROLLO ENGINEERS INC appears on 66 public works projects registered with the California Department of Industrial Relations, 51 of them as the prime contractor, for 41 awarding bodies between 2018 and 2026. Projects it led total $156,489,208 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jul 16, 2026 | On-call Engineering Design and ConstructOther | Placer County Water Agency - Auburn | Prime | $2,500,000 |
| Mar 24, 2026 | BVC and VC3 Preliminary Design ServicesDesign, inspection & consulting | city of carlsbad or carlsbad municipal water district | Prime | $809,123 |
| Mar 16, 2026 | Wells W9 and W10 PFAS Groundwater TreatmDesign, inspection & consulting | Santa Clarita Valley Water Agency | Prime | $1,878,524 |
| Mar 11, 2026 | Primary Sludge ThickeningDesign, inspection & consulting | Sacramento Area Sewer District | Prime | $11,615,775 |
| Mar 3, 2026 | Boiler Integration-DO NOT USE-INVALIDHVAC & mechanical | City of Chico - Public Works O&M | Prime | $79,642 |
| Feb 19, 2026 | CM & Inspection for the Ophir WTPDesign, inspection & consulting | Placer County Water Agency - Auburn | Prime | $14,539,942 |
| Dec 23, 2025 | ESDC for Beltz 8 ASRDesign, inspection & consulting | City of Santa Cruz - Water Department | Prime | $365,144 |
| Dec 19, 2025 | AWPF Foam Suppression SystemBuildings & facilities | Soquel Creek Water District | Prime | $27,781 |
| Nov 19, 2025 | WWTP PERCOLATION PONDSDesign, inspection & consulting | City of Santa Maria Utilities Department | Prime | $1,900,000 |
| Nov 11, 2025 | Digester 9 DesignHVAC & mechanical | City of Visalia - Purchasing | Subcontractor | $3,873,767 |
| Nov 1, 2025 | MVRWRF PLANT 2A REHABILITATION INDIAN STDesign, inspection & consulting | Eastern Municipal Water District - Purchasing | Prime | $1,417,006 |
| Oct 7, 2025 | Wells W9 and W10 PFAS Groundwater TreatmDesign, inspection & consulting | Santa Clarita Valley Water Agency | Subcontractor | $145,241 |
| Sep 30, 2025 | INDIAN STREET SEWER CROSSING PROJECTDesign, inspection & consulting | Eastern Municipal Water District - Purchasing | Prime | $60,755 |
| Sep 26, 2025 | TO#7 H2326263-MSewer & wastewater | City of San Diego | Prime | $20,000,000 |
| Sep 22, 2025 | 2026-2028 On-Call General EngineeringOther | El Dorado Irrigation District | Prime | $150,000 |
| Aug 25, 2025 | Reservoir 1 Emergency Cover ReplacementWater | El Dorado Irrigation District | Prime | $97,868 |
| Aug 13, 2025 | Wholesale Reservoir (6MG) Replacement IWater | East Orange County Water District | Prime | $348,726 |
| Aug 12, 2025 | Storm Drain Infrastructure StudyStorm drain & flood control | City of San Ramon | Prime | $191,321 |
| Jul 1, 2025 | Design Services for Meridian Sewer LiftDesign, inspection & consulting | City of San Bernardino Municipal Water Department | Prime | $1,109,063 |
| Jun 10, 2025 | PR 12555Sewer & wastewater | Irvine Ranch Water District 3 | Prime | $1,447,195 |
| May 14, 2025 | Eng/Design Service for the Water TrmtWater | Sonoma County Water Agency. | Prime | $750,000 |
| May 12, 2025 | On-Call Professional Hydraulic ModelingOther | Elsinore Valley Municipal Water District. | Prime | $500,000 |
| Apr 30, 2025 | SCADA UpgradeOther | Goleta Water District | Prime | $10,300,000 |
| Apr 15, 2025 | Atmospheric River Capture (ARC) ProjectDesign, inspection & consulting | Marin Municipal Water District | Prime | $9,699,235 |
| Feb 5, 2025 | Wastewater Engineering & Technical SuppDesign, inspection & consulting | City of Sunnyvale | Prime | $250,000 |
Most recent 25 of 66. 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
- City of San Diego · 5 projects
- Sacramento Area Sewer District · 4 projects
- Eastern Municipal Water District - Purchasing · 3 projects
- East Bay Municipal Utility District - Purchasing · 3 projects
- Santa Clarita Valley Water Agency · 3 projects
- City of Santa Cruz - Water Department · 3 projects
- City of San Bernardino Municipal Water Department · 3 projects
- City of Sunnyvale · 2 projects
- city of carlsbad or carlsbad municipal water district · 2 projects
- El Dorado Irrigation District · 2 projects
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