ANDREINI BROTHERS INC
California contractor license #239322 · Half Moon Bay, San Mateo County
License
- License number
- 239322
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-8 Concrete Contractor
- C-12 Earthwork and Paving Contractor
- C-21 Building Moving/Demolition Contractor
- C-34 Pipeline Contractor
- Business type
- Corporation
- Issued
- Nov 17, 1965
- Expires
- Jun 30, 2027
- Workers' compensation
- Workers' Compensation Insurance — State Compensation Insurance Fund
- Contractor's bond
- $25,000 — Great American Insurance Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Dec 18, 2025. Verify license #239322 on CSLB's License Check.
California public works
ANDREINI BROTHERS INC appears on 22 public works projects registered with the California Department of Industrial Relations, 11 of them as the prime contractor, for 15 awarding bodies between 2022 and 2026. Projects it led total $8,818,829 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Oct 1, 2026 | 2026 Belmont Creek Dredging ProjectOther | City of Belmont | Prime | $41,300 |
| Aug 26, 2026 | Pescadero Creek Road Ditch Repair ProjecStorm drain & flood control | San Mateo County Department of Public Works | Prime | $239,005 |
| Jul 17, 2026 | Coleman Avenue Traffic ImprovementsTraffic & signals | San Mateo County Department of Public Works | Prime | $35,380 |
| Jul 15, 2026 | ANNUAL DENNISTON DREDGINGOther | Coastside County Water District | Prime | $23,970 |
| Jul 15, 2026 | Alcatraz Ave/Santa Rosa Ave Pipeline RplOther | Coastside County Water District | Prime | $329,695 |
| May 20, 2026 | New Play Structure for Farallone View ESParks, landscape & fields | Cabrillo Unified School District | Prime | $307,000 |
| Apr 21, 2026 | Pescadero Fire Station 59Other | County of San Mateo - Facilities Projects & Construction | Subcontractor | $22,974,579 |
| Mar 16, 2026 | PD ADA Improvements Phase 1Plumbing & restrooms | City of Burlingame | Subcontractor | $799,058 |
| Dec 12, 2025 | Little Butano Creek Fish Passage and HabPaving & streets | San Mateo Resource Conservation District | Prime | $53,501 |
| Sep 24, 2025 | Temporary Fire Station 44Demolition & site work | Coastside Fire District | Prime | $535,000 |
| Jul 9, 2025 | Replacement of two 16" Valves at CarterOther | Coastside County Water District | Prime | $72,556 |
| Jun 12, 2025 | Increment 1 - Phase 1 ModernizationParks, landscape & fields | Santa Clara Unified School District | Subcontractor | $1,499,042 |
| Jun 9, 2025 | SBSP Mountain View Pond A2W East & WestStorm drain & flood control | Ducks Unlimited | Subcontractor | $5,481,500 |
| Jun 4, 2025 | West School New MPR BuildingBuildings & facilities | hillsborough school district | Subcontractor | $19,955,670 |
| May 20, 2025 | BAY TRAIL IMPROVEMENTS AT POND A2W 18-53Storm drain & flood control | City of Mountain View | Subcontractor | $3,434,250 |
| May 15, 2025 | Crocker Middle School Campus RenovationWater | hillsborough school district | Subcontractor | $39,383,293 |
| Apr 22, 2025 | Bay Road Drainage Improvement ProjectSewer & wastewater | San Mateo County Department of Public Works | Subcontractor | $356,390 |
| Jan 13, 2025 | 2025 Basin C Sanitary Sewer RehabSewer & wastewater | City of San Mateo | Prime | $5,953,822 |
| Jul 12, 2024 | Carter Hill Prestressed Concrete TankConcrete & masonry | Coastside County Water District | Subcontractor | $10,968,951 |
| Jun 24, 2024 | PPH JP Electrical Upgrades 2024-03Bridges & structures | San Mateo County Harbor District | Prime | $1,227,600 |
| May 11, 2023 | Farallone View ModernizationBuildings & facilities | Cabrillo Unified School District | Subcontractor | $21,000 |
| May 16, 2022 | John L. Carter Park Improvements ProjectParks, landscape & fields | City of Half Moon Bay | Subcontractor | — |
Most recent 22 of 22. 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
- Coastside County Water District · 4 projects
- San Mateo County Department of Public Works · 3 projects
- hillsborough school district · 2 projects
- Cabrillo Unified School District · 2 projects
- County of San Mateo - Facilities Projects & Construction · 1 project
- City of Half Moon Bay · 1 project
- Coastside Fire District · 1 project
- San Mateo County Harbor District · 1 project
- City of San Mateo · 1 project
- Ducks Unlimited · 1 project
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