County of San Mateo Department of Public Works
58 public works projects registered with the California Department of Industrial Relations, 2011–2026 · Redwood City, San Mateo County. Reported contract value: $3,439,169.
Projects by year
| Year | Projects | Reported contract value |
|---|---|---|
| 2026 | 4 | $846,630 |
| 2025 | 9 | $878,333 |
| 2024 | 8 | $1,714,206 |
| 2023 | 1 | — |
| 2022 | 1 | — |
| 2021 | 2 | — |
| 2020 | 5 | — |
| 2019 | 2 | — |
| 2017 | 4 | — |
| 2016 | 5 | — |
| 2015 | 5 | — |
| 2014 | 6 | — |
| 2013 | 1 | — |
| 2012 | 1 | — |
| 2011 | 2 | — |
DIR has published contract amounts since July 2024; earlier years count projects only.
Types of work
- Sewer & wastewater · 16
- Other · 11
- Storm drain & flood control · 8
- Buildings & facilities · 6
- Parks, landscape & fields · 4
- Electrical, low voltage & AV · 3
- Traffic & signals · 2
- Paving & streets · 2
- Water · 2
- HVAC & mechanical · 1
- Bridges & structures · 1
- Fire & life safety · 1
Inferred by Atriam from each project's name and description, not reported by the agency.
Contractors it awards most
| Prime contractor | Projects | Reported contract value |
|---|---|---|
| GRANITE ROCK COMPANY | 2 | $1,225,206 |
| BluSky Restoration Contractors, LLC | 2 | $400,000 |
| HERITAGE FIRE PROTECTION | 1 | $296,630 |
| SIEMENS INDUSTRY INC | 1 | $200,000 |
| PETERSON POWER SYSTEMS, INC. | 1 | $200,000 |
| C D & POWER | 1 | $150,000 |
| BAY CITY BOILER COMPANY | 1 | $150,000 |
| STORM WATER INSPECTION & MAINTENANCE SERVICES LLC | 1 | $100,000 |
| ALLIANCE ENVIRONMENTAL GROUP LLC | 1 | $70,000 |
| C2R ENGINEERING INC | 1 | $65,000 |
| C A COMMERCIAL CLEANING INC | 1 | $52,000 |
| Beacon Medaes LLC | 1 | $36,595 |
| BAYSHORE PLUMBERS | 1 | $27,738 |
Latest projects
| Date | Project | Prime contractor | Contract amount |
|---|---|---|---|
| Jun 16, 2026 | Heritage Fire ProtectionFire & life safety | HERITAGE FIRE PROTECTION | $296,630 |
| May 5, 2026 | CD & PowerOther | C D & POWER | $150,000 |
| Apr 27, 2026 | Peterson PowerElectrical, low voltage & AV | PETERSON POWER SYSTEMS, INC. | $200,000 |
| Jan 5, 2026 | Siemens Industry IncOther | SIEMENS INDUSTRY INC | $200,000 |
| Dec 2, 2025 | Beacon Medaes LLCBuildings & facilities | Beacon Medaes LLC | $36,595 |
| Oct 23, 2025 | Bay City Boiler & Engineering Co., INCHVAC & mechanical | BAY CITY BOILER COMPANY | $150,000 |
| Sep 19, 2025 | CA Commerical Cleaning IncPaving & streets | C A COMMERCIAL CLEANING INC | $52,000 |
| Aug 27, 2025 | BluSky Restoration Contractors,LLCStorm drain & flood control | BluSky Restoration Contractors, LLC | $200,000 |
| Aug 14, 2025 | Granite Rock CompanyTraffic & signals | — | $177,000 |
| Aug 1, 2025 | BluSky Restoration Contractors, LLCStorm drain & flood control | BluSky Restoration Contractors, LLC | $200,000 |
| Jun 2, 2025 | CSCSD Billy Goat Hill Sewer Main RepairSewer & wastewater | BAYSHORE PLUMBERS | $27,738 |
| Jan 27, 2025 | United California Glass & DoorBuildings & facilities | — | $20,000 |
| Jan 27, 2025 | Bird Busters IncBridges & structures | — | $15,000 |
| Dec 24, 2024 | EHDMD 1705 Los Altos DriveStorm drain & flood control | GRANITE ROCK COMPANY | $30,000 |
| Dec 24, 2024 | EHDMD 1705 Los Altos DriveStorm drain & flood control | — | $30,000 |
| Nov 12, 2024 | EHDMD Storm Drain RepairSewer & wastewater | C2R ENGINEERING INC | $65,000 |
| Sep 18, 2024 | Laurel Hill Access Road StabilizationSewer & wastewater | GRANITE ROCK COMPANY | $1,195,206 |
| Aug 1, 2024 | 2024 Colma Creek Maintenance ProjectStorm drain & flood control | — | $224,000 |
| Jun 12, 2024 | CountyWide Trash Capture MaintenanceStorm drain & flood control | STORM WATER INSPECTION & MAINTENANCE SERVICES LLC | $100,000 |
| Apr 16, 2024 | Alliance Environmental Group, LLCBuildings & facilities | ALLIANCE ENVIRONMENTAL GROUP LLC | $70,000 |
| Jan 29, 2024 | Closed Half Moon Bay Landfill RevetmentOther | — | — |
| Feb 11, 2023 | CSA 7 Treatment Plant Improvements ProjeElectrical, low voltage & AV | — | — |
| Oct 17, 2022 | Edgewood Road Sewer Rehabilitation ProjeSewer & wastewater | — | — |
| Nov 7, 2021 | ADA Compliance EV SpacesSolar, EV & energy | — | — |
| Mar 15, 2021 | Grant Yard Radio Shop ProjectBuildings & facilities | — | — |
Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.