BLOCKA CONSTRUCTION INC
California contractor license #679326 · Pleasanton, Alameda County
License
- License number
- 679326
- Status
- Clear
- Classifications
- A General Engineering Contractor
- B General Building Contractor
- C-10 Electrical Contractor
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- Business type
- Corporation
- Issued
- Oct 25, 1993
- Expires
- Oct 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance Company
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Jan 5, 2026. Verify license #679326 on CSLB's License Check.
California public works
BLOCKA CONSTRUCTION INC appears on 132 public works projects registered with the California Department of Industrial Relations, 19 of them as the prime contractor, for 64 awarding bodies between 2018 and 2026. Projects it led total $43,170,323 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 1, 2026 | Well No. 18 Development & EquipmentWater | City of Livingston | Subcontractor | $3,927,000 |
| Jul 16, 2026 | Old River Pump Station Power System ImprWater | Contra Costa Water District | Prime | $1,309,000 |
| Jun 23, 2026 | WW-766 Admin Bldg. Health Safety ImprovBuildings & facilities | San Francisco Public Utilities Commission | Prime | $3,387,000 |
| Jun 2, 2026 | Camera and Card Reader Upgrades ProjectElectrical, low voltage & AV | City of San Jose | Prime | $11,678,000 |
| Apr 23, 2026 | BART 17BY-110B New UPS System in LMADesign, inspection & consulting | Bay Area Rapid Transit District | Prime | $12,965,863 |
| Apr 10, 2026 | Evaporative Cooler ReplacementsOther | Department of Transportation, Division of Procurement and Contracts | Prime | $87,120 |
| Mar 17, 2026 | WWTP HVAC ReplacementsSewer & wastewater | Dublin San Ramon Services District | Prime | $4,186,000 |
| Feb 9, 2026 | Switchboard No. 3 & MCC No. 25 Rplc.Sewer & wastewater | Union Sanitary District | Prime | $1,248,010 |
| Feb 1, 2026 | WW-767RRoofing | San Francisco Public Utilities Commission | Subcontractor | $19,339,195 |
| Dec 10, 2025 | Sun Terrace Pump Station ImprovementsWater | Contra Costa Water District | Subcontractor | $888,895 |
| Dec 4, 2025 | Batmale Emergency GeneratorElectrical, low voltage & AV | San Francisco Community College District | Prime | $897,630 |
| Oct 14, 2025 | Pilarcitos Wellfield Replacement Prj.Other | Coastside County Water District | Subcontractor | $3,683,840 |
| Sep 4, 2025 | ETSU 1B - Secondary & Effluent Fac. UpgrSewer & wastewater | Union Sanitary District | Subcontractor | $324,530,134 |
| Aug 8, 2025 | On-Call Electrical Const. 9/1/25-8/31/26Electrical, low voltage & AV | PORT OF OAKLAND | Prime | $1,250,000 |
| Jul 29, 2025 | Building A Conduit WorkSewer & wastewater | Dublin San Ramon Services District | Prime | $42,800 |
| Jul 10, 2025 | Biogas Utilization-GCS InstallationOther | Silicon Valley Clean Water | Subcontractor | $5,874,000 |
| Jul 8, 2025 | Miles Lane Sewer Pump StationSewer & wastewater | City of Watsonville | Subcontractor | $1,115,200 |
| Jun 27, 2025 | Palo Alto Horizontal Levee ProjectStorm drain & flood control | Association of Bay Area Governments | Subcontractor | $2,764,140 |
| Jun 10, 2025 | EV Charging StationSolar, EV & energy | Oro Loma Sanitary District | Prime | $158,600 |
| Jun 9, 2025 | Pump Stations Odor Control ImprovementsWater | Union Sanitary District | Subcontractor | $8,337,293 |
| Apr 22, 2025 | Generator Stack Extension ServicesElectrical, low voltage & AV | Department of State Hospitals - Napa | Prime | $985,520 |
| Apr 14, 2025 | Rockaway Pump Station R&RWater | City of Pacifica | Prime | $488,000 |
| Mar 20, 2025 | MAIN FILTER MAINTENANCE RECTOR DAM WATERWater | Department of General Services | Subcontractor | $3,660,000 |
| Feb 18, 2025 | Water Treatment Plant Misc. Mech.Water | City of Benicia | Subcontractor | $1,088,000 |
| Feb 10, 2025 | River Valve Outlet System RehabilitationOther | California Department of Water Resources, DOE-CCS | Subcontractor | $33,285,000 |
Most recent 25 of 132. 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
- San Francisco Public Utilities Commission · 13 projects
- Santa Clara Valley Water District - CCSU · 11 projects
- Bay Area Rapid Transit District · 8 projects
- City of San Jose · 7 projects
- EBMUD Wastewater Engineering Division · 5 projects
- Alameda County Public Works Agency · 4 projects
- Union Sanitary District · 4 projects
- EBMUD Construction Div · 3 projects
- PORT OF OAKLAND · 3 projects
- Alameda County Flood Control and Water Conservation District, Zone 7 · 3 projects
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