City of Ontario Engineering Department

77 public works projects registered with the California Department of Industrial Relations, 2017–2026 · Ontario, San Bernardino County. Reported contract value: $160,882,865.

Projects by year

YearProjectsReported contract value
20269$7,041,234
202510$42,043,968
202420$41,281,675
202312—
20229—
20201—
20191—
20183—
20172—

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

Types of work

  • Paving & streets · 33
  • Traffic & signals · 14
  • Other · 10
  • Sewer & wastewater · 8
  • Storm drain & flood control · 7
  • Design, inspection & consulting · 4
  • Concrete & masonry · 1

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

Contractors it awards most

Prime contractorProjectsReported contract value
Ardurra Group, Inc.4$23,553,225
ONYX PAVING COMPANY INC4$6,525,000
KLEINFELDER INC4$424,847
Hardy & Harper, Inc.2$5,649,000
NINYO & MOORE GEOTECHNICAL & ENVIRONMENTAL SCIENCES CONSULTANTS2$4,998,183
ELECNOR BELCO ELECTRIC INC2$2,677,159
UNITED STORM WATER INC2$149,200
ALL AMERICAN ASPHALT1$9,678,888
Wood Rodgers Inc1$6,454,559
ROY ALLAN SLURRY SEAL INC1$1,007,774
PAVEMENT REHAB CO1$663,000
OUTSOURCE1$379,390
GROUP DELTA CONSULTANTS, INC1$233,607
T2 UES, Inc.1$40,013
WESTLAND GROUP INC1$5,510

Latest projects

DateProjectPrime contractorContract amount
Jul 21, 20262026 Fall Paving-GeotechPaving & streetsNINYO & MOORE GEOTECHNICAL & ENVIRONMENTAL SCIENCES CONSULTANTS$39,295
Jul 21, 20262026 Fall Pavement Rehab ProjectTraffic & signalsHardy & Harper, Inc.$4,250,000
Jun 2, 2026REAP 2.0 Mission Blvd - Sidewalk ProjectPaving & streetsGARCON CONSTRUCTION INC$145,874
Apr 7, 20262026 Spring Slurry ProjectPaving & streetsPAVEMENT REHAB CO$663,000
Apr 3, 2026FY 2025-2026 Connector Pipe Screen (CPS)Storm drain & flood controlUNITED STORM WATER INC$59,000
Mar 17, 2026TR2501 Pedestrian Hybrid BeaconTraffic & signalsELECNOR BELCO ELECTRIC INC$439,542
Feb 19, 2026FY25-26 Euclid Ave - GPROtherWESTLAND GROUP INC$5,510
Feb 17, 20262026 Spring Pavement Rehab ProjectSewer & wastewaterHardy & Harper, Inc.$1,399,000
Feb 9, 2026SM2301 - Potholing & Utility ServicesStorm drain & flood controlT2 UES, Inc.$40,013
Nov 18, 2025D&C24-009 Ontario Arena PlazaPaving & streets—$25,991,911
Oct 21, 2025Geyer Court Improvements ProjectStorm drain & flood control—$1,379,328
Aug 19, 2025FY2025-26 Annual Maintenance Slurry SealPaving & streetsROY ALLAN SLURRY SEAL INC$1,007,774
Jul 15, 20252025 Fall Pavement RehabilitationSewer & wastewaterONYX PAVING COMPANY INC$3,636,000
Jul 15, 2025Downtown Euclid Avenue Corridor ProjectTraffic & signalsWood Rodgers Inc$6,454,559
Jul 2, 2025TRAFFIC SIGNAL SYSTEM TR2301-03Traffic & signalsELECNOR BELCO ELECTRIC INC$2,237,617
May 20, 2025Mountain Ave. St. Improvements ProjectTraffic & signalsMETROCELL CONSTRUCTION INC$155,516
Mar 20, 2025FY24/25 CDBG & CIP Street Light InstallTraffic & signalsOUTSOURCE$379,390
Feb 4, 20252025 Spring Alley CDBG Pavement RehabSewer & wastewaterONYX PAVING COMPANY INC$777,000
Feb 4, 20252025 Spring CIP Projects-GeotechDesign, inspection & consultingKLEINFELDER INC$24,873
Dec 31, 2024FY24-25 Connector Pipe Screen ProjectStorm drain & flood controlUNITED STORM WATER INC$90,200
Dec 31, 2024FY24-25 Connector Pipe Screen ProjectStorm drain & flood control—$90,200
Dec 3, 2024ATP Cycle 5Storm drain & flood control—$6,963,000
Oct 23, 2024ATP Cycle 5 - GeotechOtherKLEINFELDER INC$59,039
Oct 7, 2024Emergency Sinkhole Repair - Cucamonga AvPaving & streets—$100,000
Sep 12, 2024Hawk Signal at Grove and St. AndrewsTraffic & signalsSTC TRAFFIC, INC.$45,000

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