Oro Loma Sanitary District

148 public works projects registered with the California Department of Industrial Relations, 2015–2026 · San Lorenzo, Alameda County. Reported contract value: $32,609,092.

Projects by year

YearProjectsReported contract value
20266$12,949,543
20257$11,618,217
202412$1,543,854
20235—
202213—
202113—
202012—
201913—
201817—
201716—
20165—
20156—

DIR has published contract amounts since July 2024; earlier years count projects only.

Types of work

  • Sewer & wastewater · 58
  • Other · 47
  • Concrete & masonry · 7
  • Water · 7
  • Paving & streets · 5
  • HVAC & mechanical · 5
  • Roofing · 4
  • Demolition & site work · 3
  • Parks, landscape & fields · 3
  • Design, inspection & consulting · 2
  • Buildings & facilities · 1
  • Traffic & signals · 1

Inferred by Atriam from each project's name and description, not reported by the agency.

Contractors it awards most

Prime contractorProjectsReported contract value
APB GENERAL ENGINEERING7$5,514,585
A3 PIPELINE6$557,335
GSW CONSTRUCTION INC4$594,680
G S E CONSTRUCTION COMPANY INC3$3,589,950
D W NICHOLSON CORPORATION2$748,047
BLOCKA CONSTRUCTION INC2$176,460
MYERS & SONS CONSTRUCTION LLC1$6,876,000
RANGER PIPELINES INCORPORATED1$5,088,960
FRONTLINE GENERAL ENGINEERING CONSTRUCTION INC1$525,644
PRECISION WELL SERVICE LLC1$250,000
COMMERS CONSTRUCTION INC1$223,500
PENKOR WRECKING1$144,000
TRI - VALLEY ENGINEERING1$96,440
ECAST ENGINEERING INC1$63,100

Latest projects

DateProjectPrime contractorContract amount
Jul 28, 2026Treatment Unit Grating Replacement Ph2OtherD W NICHOLSON CORPORATION$466,833
May 27, 2026Phase 10: Sewer Collection System PipeliSewer & wastewaterRANGER PIPELINES INCORPORATED$5,088,960
Apr 28, 2026Digester Rehabilitation Project Phase 1Sewer & wastewaterMYERS & SONS CONSTRUCTION LLC$6,876,000
Mar 27, 2026EBMUD Well Demolition Project Phase 2WaterPRECISION WELL SERVICE LLC$250,000
Feb 20, 2026Grease Recirculation Pump InstallationOtherG S E CONSTRUCTION COMPANY INC$44,250
Feb 2, 2026Engineering Building RemodelPainting & flooringCOMMERS CONSTRUCTION INC$223,500
Dec 24, 2025EBMUD Well Demolition Project Phase 1WaterPENKOR WRECKING$144,000
Sep 25, 2025Primary Clarifier RehabilitationHVAC & mechanicalG S E CONSTRUCTION COMPANY INC$3,481,600
Jun 27, 2025Admin Bathroom UpdatePlumbing & restrooms—$82,997
Jun 10, 2025EV Charging StationSolar, EV & energyBLOCKA CONSTRUCTION INC$158,600
Apr 24, 202578" Influent RCP RehabilitationConcrete & masonry—$1,973,700
Mar 28, 2025Phase 8: Sewer Collection System PipelinSewer & wastewater—$5,759,460
Jan 29, 202580ft Light Poles Vibration Dampener InstElectrical, low voltage & AVBLOCKA CONSTRUCTION INC$17,860
Nov 27, 2024Parking Lot Improvements ProjectPaving & streetsFRONTLINE GENERAL ENGINEERING CONSTRUCTION INC$525,644
Nov 26, 20242024 Treatment Unit Grating ReplacementTraffic & signalsD W NICHOLSON CORPORATION$281,214
Aug 12, 2024Fuel Tank ReplacmentDemolition & site workGSW CONSTRUCTION INC$66,930
Jul 2, 2024Trojan Lift Station Surge Pipe ReplacemeSewer & wastewaterGSW CONSTRUCTION INC$118,800
Jun 18, 2024Ponds Road North RegradingPaving & streetsTRI - VALLEY ENGINEERING$96,440
Jun 5, 20242024 Boardroom ADA Compliance ProjectOther—$61,826
May 28, 2024Sluice Gate Removal and Concrete FillConcrete & masonry——
Apr 8, 2024Treatment Plant and Lift Stations Roof RSewer & wastewater——
Apr 1, 2024Phase 5: Sewer Collection System PipelinSewer & wastewater——
Mar 5, 2024Pipe Trench RepairsOtherGSW CONSTRUCTION INC$393,000
Feb 28, 2024Quonset Hut Equipment PadConcrete & masonry——
Jan 24, 2024Phase 7: Sewer Collection System PipelinSewer & wastewater——

Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.