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The Heavy and Civil Engineering Construction subsector comprises establishments whose primary activity is the construction of entire engineering projects (e.g., highways and dams), and specialty trade contractors, whose primary activity is the production of a specific component for such projects. Specialty trade contractors in Heavy and Civil Engineering Construction generally are performing activities that are specific to heavy and civil engineering construction projects and are not normally performed on buildings. The work performed may include new work, additions, alterations, or maintenance and repairs. Specialty trade activities are classified in this subsector if the skills and equipment present are specific to heavy or civil engineering construction projects. For example, specialized equipment is needed to paint lines on highways. This equipment is not normally used in building applications so the activity is classified in this subsector. Traffic signal installation, while specific to highways, uses much of the same skills and equipment that are needed for electrical work in building projects and is therefore classified in Subsector 238, Specialty Trade Contractors. Construction projects involving water resources (e.g., dredging and land drainage) and projects involving open space improvement (e.g., parks and trails) are included in this subsector. Establishments whose primary activity is the subdivision of land into individual building lots usually perform various additional site-improvement activities (e.g., road building and utility line installation) and are included in this subsector. Establishments in this subsector are classified based on the types of structures that they construct. This classification reflects variations in the requirements of the underlying production processes.
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Showing 1401–1450 of 5673 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| California - US | Agency | Bid Type | Due Date | As PDF |
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Corporate: WWTP Upgrades - Phase 2 - Pipe Supports
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Corporate: Davidson Middle School Classrooms Modernization Lease-Leaseback - Site & Landscape Drainage
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 08, 2026 |
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Corporate: Wastewater Treatment Plant Upgrades Project Phase 2 - yard piping and tie-ins
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Corporate: Wastewater Treatment Plant Upgrades Project Phase 2 - temporary facilities and bypass pumping to maintain operations
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Water Loss Program
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
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Alamitos Tanks No. 11 & 13 Rehabilitation Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 22, 2026 |
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SANITARY SEWER REHABILITATION AND REPLACEMENT PROGRAM
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 29, 2026 |
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Water Deionization (Purification) Services and Maintenance
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 07, 2026 |
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Water Treatment Plant Basin 8 Toe Improvement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 28, 2026 |
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LCWA Watermain Lining - Trenchless Technology Improvements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 21, 2026 |
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Cast Iron Sewer Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Sanitary Sewer Main Inspection
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
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POWER-SAL 4.8kV & 12.47kV MOBILE SUBSTATION
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 08, 2026 |
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Construct Wellhead Treatment at Pump Station 101A
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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GROUNDWATER WELL PLUGGING AND SITE CLEARANCE
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
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SANITARY SEWER IMPROVEMENT
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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Pump, Motor and Drinking Water Well Maintenance Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Sewer, Storm Drain and Street Improvements Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 20, 2026 |
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Water Treatment Plant Sedimentation & Flocculation Basin Rehabilitation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 05, 2026 |
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Water Line Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 05, 2026 |
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WWTP SBR Inspection & Maintenance Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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Stormwater Lift Station Rehabilitation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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Pump Station 156 Well Site Improvements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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Corporate: Stevenson ES HVAC Mod - Site Utilities
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
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Residential Well Inspection Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
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RC Sports Center Sewer Line Improvement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 31, 2026 |
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Solids Dewatering Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 17, 2026 |
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Zone 5 Water Pump Station Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 23, 2026 |
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Corporate: Laney College Student Center Improvements - Hydronic Piping
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 13, 2026 |
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Drill New Water Production Well at Pump Station 290A
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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Wellhead Treatment Improvements at Pump Station 177
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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Wellhead Treatment Improvements at Pump Station 185
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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Well Site Improvements at Pump Station 372
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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Well Site Improvements at Pump Station 208-2
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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Construction of Water Meter Replacements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Main Lift Station Forcemain-B Air Release Valves Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 23, 2026 |
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Corporate: 06-1H9804 HMA (Type A) and Modify Signal and Lighting Systems - TEMPORARY DRAINAGE INLET PROTECTION
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Water and Wastewater Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 20, 2026 |
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Corporate: Codoni Avenue Reconstruction - Water Pollution Control
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 31, 2026 |
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Corporate: 2026 Pioneer Trail Waterline Project - Dewatering
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 23, 2026 |
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3\" Natural Gas Core Valve Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 27, 2026 |
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Clayton Valley Highlands Sanitary Sewer Repairs
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Sewer Installation Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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Corporate: Del Paso Heights ES Restrooms & Exterior Building Improvements - Site Drainage
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 27, 2026 |
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Corporate: TUSD Loma Vista ES - Site Utilities
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Booster Pump Replacements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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Construct Wellhead Treatment Improvements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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District 5 Main Trunk Sewer Rehabilitation Phase IV A
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 30, 2026 |
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Pumping Plant No. 2 Force Main Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 28, 2026 |
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Water Main Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 07, 2026 |
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