CHAMBERLAIN BACKHOE SERVICE INC
California contractor license #615123 · Placentia, Orange County
License
- License number
- 615123
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-12 Earthwork and Paving Contractor
- Business type
- Corporation
- Issued
- Mar 16, 1991
- Expires
- Mar 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance Company
- Contractor's bond
- $25,000 — Atlantic Specialty Insurance Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Sep 9, 2026. Verify license #615123 on CSLB's License Check.
California public works
CHAMBERLAIN BACKHOE SERVICE INC appears on 197 public works projects registered with the California Department of Industrial Relations, 5 of them as the prime contractor, for 121 awarding bodies between 2018 and 2026. Projects it led total $1,038,696 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jul 14, 2026 | FA Portable Site WorkDemolition & site work | Arcadia Unified School District | Subcontractor | $620,000 |
| Jul 1, 2026 | Indio Police Headquarters - Phase 2Other | City of Indio | Subcontractor | $3,139,000 |
| Jun 1, 2026 | BLDG 63, Repair Underground Hot WaterBuildings & facilities | Cal Poly Pomona | Subcontractor | $21,085 |
| Apr 27, 2026 | LA MIRADA ADULT SCHOOL FIRE ALARM UPGRADFire & life safety | NORWALK-LA MIRADA UNIFIED SCHOOL DISTRICT | Subcontractor | $752,400 |
| Apr 21, 2026 | Woodbridge HS Interim RelosBridges & structures | Irvine Unified School District | Subcontractor | $10,500 |
| Feb 11, 2026 | BACKHOE/DUMP TRUCK SERVICES FOR LANDFILLOther | Sanitation Districts of Los Angeles County | Prime | $442,000 |
| Jan 13, 2026 | NVES Modernization 26-27Demolition & site work | Temecula Valley Unified School District | Subcontractor | $1,100,000 |
| Dec 1, 2025 | Magnolia Science Academy 5 Site workDemolition & site work | Magnolia Education and Research Foundation | Subcontractor | $7,500,000 |
| Nov 12, 2025 | Loara MPRBuildings & facilities | Anaheim Elementary School District | Subcontractor | $17,334,490 |
| Oct 21, 2025 | City Services BuildingBuildings & facilities | City of Ontario - Public Works Agency | Subcontractor | $42,880,000 |
| Oct 20, 2025 | Orangeview JHS Modernization - MaintBuildings & facilities | Anaheim Union High School District | Subcontractor | $1,690,026 |
| Oct 16, 2025 | CTE Lab & Culinary Mods at North, Poly &Buildings & facilities | Riverside Unified School District - Purchasing Department | Subcontractor | $15,981,361 |
| Oct 14, 2025 | LLB RIO SAN GABRIEL ESBuildings & facilities | DOWNEY UNIFIED SCHOOL DISTRICT | Subcontractor | $38,200,001 |
| Oct 13, 2025 | Arroyo ES Mod ProjectBuildings & facilities | Tustin Unified School District | Subcontractor | $15,448,667 |
| Oct 13, 2025 | Loma Vista ES Mod ProjectBuildings & facilities | Tustin Unified School District | Subcontractor | $17,327,722 |
| Oct 10, 2025 | Victory BoulevardBuildings & facilities | Victory Boulevard Housing Partners, LP | Subcontractor | $88,764,265 |
| Oct 9, 2025 | West LA VA Building 409Buildings & facilities | Los Angeles County Development Authority | Subcontractor | $53,384,544 |
| Oct 1, 2025 | Mulberry Gardens Family ApartmentsBuildings & facilities | Mulberry Gardens Family, L.P. | Subcontractor | $58,275,671 |
| Sep 26, 2025 | Beaumont Library Expansion & RenovationDemolition & site work | Beaumont Library District | Subcontractor | $12,830,471 |
| Aug 19, 2025 | Murrieta Children's Library ExpansionBuildings & facilities | City of Murrieta | Subcontractor | $5,188,600 |
| Aug 6, 2025 | Construction New Moorpark City LibraryBuildings & facilities | City of Moorpark | Subcontractor | $29,901,300 |
| Jul 17, 2025 | THMS NEW CLASS & ADMIN / PAVILION / TTBuildings & facilities | Colton Joint Unified School District | Subcontractor | — |
| Jun 25, 2025 | Civic Center ProjectParks, landscape & fields | City of Eastvale | Subcontractor | $135,151,000 |
| Jun 18, 2025 | 854 Armory Affordable Housing ProjectBuildings & facilities | City of Long Beach (DV) | Subcontractor | $31,232,957 |
| Jun 10, 2025 | Montclair High School New Gym Bldg IBuildings & facilities | Chaffey Joint Union High School District | Subcontractor | $19,597,018 |
Most recent 25 of 197. 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
- Mt. San Antonio College · 14 projects
- Los Angeles Housing Department (LAHD) · 10 projects
- Long Beach USD - Facilities Development & Planning · 8 projects
- Newport-Mesa Unified School District · 7 projects
- Sanitation Districts of Los Angeles County · 5 projects
- County of Orange/OC Public Works · 4 projects
- City of Ontario - Public Works Agency · 4 projects
- Los Angeles County Development Authority · 4 projects
- Anaheim Elementary School District · 3 projects
- Irvine Unified School District · 3 projects
Is this your business?
Claim it on Atriam to add your work photos, service area and a booking link, and to run calls, leads, estimates and invoices in one place — free.
Claim this business