Coastside County Water District
95 public works projects registered with the California Department of Industrial Relations, 2016–2026 · Half Moon Bay, San Mateo County. Reported contract value: $18,416,304.
Projects by year
| Year | Projects | Reported contract value |
|---|---|---|
| 2026 | 4 | $431,467 |
| 2025 | 9 | $5,861,081 |
| 2024 | 15 | $12,123,755 |
| 2023 | 11 | — |
| 2022 | 7 | — |
| 2021 | 9 | — |
| 2020 | 10 | — |
| 2019 | 8 | — |
| 2018 | 8 | — |
| 2017 | 9 | — |
| 2016 | 2 | — |
DIR has published contract amounts since July 2024; earlier years count projects only.
Types of work
- Other · 47
- Water · 17
- Electrical, low voltage & AV · 7
- Parks, landscape & fields · 6
- Paving & streets · 4
- Storm drain & flood control · 3
- Roofing · 3
- Sewer & wastewater · 2
- Fire & life safety · 2
- HVAC & mechanical · 1
- Buildings & facilities · 1
- Concrete & masonry · 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 |
|---|---|---|
| GSW CONSTRUCTION INC | 3 | $4,004,884 |
| ANDREINI BROTHERS INC | 3 | $426,221 |
| CENTRAL ROOFING COMPANY | 2 | $219,100 |
| On Computer services llc | 2 | $30,653 |
| ERS INDUSTRIAL SERVICES INC | 2 | $20,950 |
| GOLDEN STATE CONSTRUCTION AND UTILITY INC | 1 | $1,844,000 |
| EURO STYLE MANAGEMENT | 1 | $173,000 |
| LEFEVRE WELDING INC | 1 | $101,510 |
| PUMP REPAIR SERVICE CO | 1 | $74,441 |
| BRUSH HOG TREE CARE INC | 1 | $50,000 |
| THERMA LLC | 1 | $27,802 |
Latest projects
| Date | Project | Prime contractor | Contract amount |
|---|---|---|---|
| Aug 11, 2026 | Nunes WTP Tree Removal/MaintenanceParks, landscape & fields | BRUSH HOG TREE CARE INC | $50,000 |
| Jul 15, 2026 | ANNUAL DENNISTON DREDGINGOther | ANDREINI BROTHERS INC | $23,970 |
| Jul 15, 2026 | Alcatraz Ave/Santa Rosa Ave Pipeline RplOther | ANDREINI BROTHERS INC | $329,695 |
| Feb 11, 2026 | Replacement of Air Conditioning UnitHVAC & mechanical | THERMA LLC | $27,802 |
| Oct 14, 2025 | Pilarcitos Wellfield Replacement Prj.Other | GSW CONSTRUCTION INC | $3,683,840 |
| Sep 26, 2025 | Pilarcitos Creek Rd Culvert ReplacementStorm drain & flood control | GSW CONSTRUCTION INC | $165,444 |
| Aug 13, 2025 | Replacement Nunes WTP Generator RoofRoofing | CENTRAL ROOFING COMPANY | $34,300 |
| Aug 11, 2025 | Denniston Dredging 2025Water | — | $23,970 |
| Jul 9, 2025 | Replacement of two 16" Valves at CarterOther | ANDREINI BROTHERS INC | $72,556 |
| May 6, 2025 | Load Bank Testing 8 GeneratorsElectrical, low voltage & AV | On Computer services llc | $16,021 |
| Jan 21, 2025 | Denniston WTP Filter Surveillance for thOther | ERS INDUSTRIAL SERVICES INC | $6,520 |
| Jan 21, 2025 | Nunes WTP Filter Surveillance for four (Other | ERS INDUSTRIAL SERVICES INC | $14,430 |
| Jan 14, 2025 | Hwy 92 Emergency Pipeline ReplacementOther | GOLDEN STATE CONSTRUCTION AND UTILITY INC | $1,844,000 |
| Nov 13, 2024 | Tree Removal/Trimming at Carter HillParks, landscape & fields | — | $50,000 |
| Sep 18, 2024 | Nunes Hypochlorite Room ImprovementsOther | GSW CONSTRUCTION INC | $155,600 |
| Sep 16, 2024 | Denniston WTP Tanks Coating ProjectOther | EURO STYLE MANAGEMENT | $173,000 |
| Sep 12, 2024 | Denniston Contact Clarifier Hatch RplOther | LEFEVRE WELDING INC | $101,510 |
| Sep 11, 2024 | Clean & Rehab Pilarciots Cyn Wells 1, 3AWater | PUMP REPAIR SERVICE CO | $74,441 |
| Aug 13, 2024 | Nunes Treatment Plant Paving ProjectPaving & streets | — | $333,439 |
| Aug 8, 2024 | Denniston Dredging 2024Other | — | $21,720 |
| Jul 12, 2024 | Carter Hill Prestressed Concrete TankConcrete & masonry | — | $10,968,951 |
| Jul 10, 2024 | Nunes WTP Roof RepairsWater | CENTRAL ROOFING COMPANY | $184,800 |
| Jun 18, 2024 | Inspection and Cleaning of Lake ScreensOther | — | $26,806 |
| Jun 17, 2024 | Nunes WTP Tree Removal June 2024Parks, landscape & fields | — | — |
| Jun 14, 2024 | Load Test 8 Generators at Various SitesElectrical, low voltage & AV | On Computer services llc | $14,631 |
Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.