Water & Sewer Bids in California

50+ open Water & Sewer bids from cities, counties, schools, and state agencies across California. Get email alerts when new opportunities are posted.

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Open Water & Sewer Bids in California

CAStateOpenTODAY
Culvert Replacement on East Avenue Between 3264 East Avenue and 3280 East Avenue
BidNet Direct - California
Water & Sewer
CAtransitOpenTODAY
San Rafael Bus Facility Water Line Modifications Engineering Design Services
Golden Gate Bridge Highway and Transportation District · #2026-BT-011
Water & Sewer
CACountyOpenJul 29, 2026
Bid Airport Fence Drainage Crossing Repair Project
Sonoma County · #0000002174
Water & Sewer
CAtransitOpenJul 29, 2026
North Base (NB) Water Line Replacement
SAN MATEO COUNTY TRANSIT DISTRICT
Water & Sewer
CAStateOpenJul 29, 2026
Airport Fence Drainage Crossing Repair Project
BidNet Direct - California
Water & Sewer
CAStateOpenJul 30, 2026
Fire Flow Improvement Program Palm Avenue Pipeline Replacement Project
BidNet Direct - California
Water & Sewer
CACityOpenJul 30, 2026
Regional Wastewater Facility HVAC Improvements Phase 1 Re-Bid
San Jose · #ESD 10501 RFB Re-Bid
Water & Sewer
CApark_recreationOpenJul 30, 2026
Johnston Ranch Conservation Grazing Water Distribution Project
Midpeninsula Regional Open Space District · #RFB-0000000050
Water & Sewer
CAutilityOpenJul 30, 2026
80kW Standby Generator - Stoney Mountain Lift Station
Eastern Municipal Water District · #RFP-US.243584
Water & Sewer
CAutilityOpenJul 30, 2026
25kW Standby Generator and Automatic Transfer Switch - Menlo Lift Station
Eastern Municipal Water District · #RFP-US.243544
Water & Sewer
CAStateOpenJul 30, 2026
Regional Wastewater Facility HVAC Improvements Phase 1 Re-Bid
BidNet Direct - California
Water & Sewer
CACityOpenJul 30, 2026
Wastewater Pumping and Disposal Services
San Diego
Water & Sewer
CADistrictOpenJul 30, 2026
New Mexico Water Systems (NMWS) - Per- and Polyfluoroalkyl Substances - Elephant Butte Professional Design Services
California Water Service · #0210260750
Water & Sewer
CACityOpenAug 3, 2026
Stormwater Program Regulatory Support Services
San Clemente
Water & Sewer
CACityOpenAug 4, 2026
135 - Storm Drain Repair Project
Roseville · #RFP #15-135
Water & Sewer
CACountyOpenAug 4, 2026
Emergency Culvert Repair Dows Prairie Road (4M220) PM 2.68
Humboldt County · #342029
Water & Sewer
CAStateOpenAug 4, 2026
Hydrant Pressure Recorder (300 Unit)
BidNet Direct - California
Water & Sewer
CACityOpenAug 4, 2026
139903 Hydrant Pressure Recorder (300 Unit)
Los Angeles · #230883
Water & Sewer
CAStateOpenAug 4, 2026
Wastewater Ocean Outfall Inspection
BidNet Direct - California
Water & Sewer
CAStateOpenAug 4, 2026
Grey Water System Preventive Maintenance and Repair Services
BidNet Direct - California
Water & Sewer
CAStateOpenAug 4, 2026
AUSTIN CREEK STATE RECREATION AREA - Bullfrog Pond and Pond Farm Water System and McCray Ridge Repeater Site Reconstruction
BidNet Direct - California
Water & Sewer
CAtransitOpenAug 4, 2026
HVAC and Water Treatment Preventative Maintenance Services
SAN JOAQUIN JOINT POWERS AUTHORITY
Water & Sewer
CACityOpenAug 5, 2026
Notice Inviting Informal Bids - Wastewater Treatment Plant Orchard Removal
Kerman
Water & Sewer
CAStateOpenAug 5, 2026
Water System On-Call Repair Services
BidNet Direct - California
Water & Sewer
CACityOpenAug 6, 2026
RFP #PUR 26-035 - Fire Hydrant Inspection Services
Stockton · #RFP #PUR 26-035
Water & Sewer
CACityOpenAug 6, 2026
1st Avenue Water Line Replacement Project
Delano · #2026_WTR_002
Water & Sewer
CAStateOpenAug 6, 2026
8-inch Ductile Iron Water Main Replacement on Lincoln Way and Irving St. from Sunset Blvd. to 19th Ave. and on Various Side Streets
BidNet Direct - California
Water & Sewer
CACityOpenAug 7, 2026
RFP - 5 Year Sanitary Sewer Rate Study
Half Moon Bay · #2026-03
Water & Sewer
CACityOpenAug 7, 2026
Sewer Manhole, Pipe Elevation, And Location Survey
Santa Maria
Water & Sewer
CACityOpenAug 11, 2026
Engineering Design Services for the Campus Avenue Storm Drain Project (SM2601)
Ontario
Water & Sewer
CACityOpenAug 11, 2026
Chinquapin Lift Station Improvements
Carlsbad
Water & Sewer
CACityOpenAug 11, 2026
On-Call Professional Engineering Services for Stormwater Toxic Total Maximum Daily Load Compliance Projects
Los Angeles · #230798
Water & Sewer
CACityOpenAug 12, 2026
Diesel Exhaust Fluid (DEF) for Pump Station 2 Power Plant
San Diego
Water & Sewer
CACityOpenAug 13, 2026
On-Call Sewer System Repair Services
Santa Ana
Water & Sewer
CACityOpenAug 13, 2026
2026 Water Well 43 Pilot Hole And Development Project
Delano · #2026_WTR_002
Water & Sewer
CACityOpenAug 13, 2026
Water Main Replacement Project in Inglewood Water Pressure Zone #1
Inglewood
Water & Sewer
CAStateOpenAug 13, 2026
Storm Drainage Assessment District Engineer'S Reports, Budgets, And Related Professional Services
BidNet Direct - California
Water & Sewer
CACityOpenAug 13, 2026
RFP #PUR 26-038 - Storm Drainage Assessment District Engineer's Reports, Budgets, and Related Professional Services
Stockton · #RFP #PUR 26-038
Water & Sewer
CACityOpenAug 17, 2026
Filter Media (Anthracite) For Mwd F.E Weymouth Water Treatment Plant
Newport Beach
Water & Sewer
CAother_specialOpenAug 18, 2026
Gabarda Easement Sewer Replacement
West Bay Sanitary District · #1775.0
Water & Sewer
CACityOpenAug 20, 2026
RFP #Pur 27-001 - Npdes Compliance And Program Services
Stockton · #RFP #PUR 27-001
Water & Sewer
CAStateOpenAug 20, 2026
Design of the San Elijo Water Campus Recycled Water Pipeline Replacement Project
BidNet Direct - California
Water & Sewer
CAStateOpenAug 20, 2026
Countywide Culvert Repair And Replacement
BidNet Direct - California
Water & Sewer
CACountyOpenAug 20, 2026
RFP #PKARC-283 - Ecological Restoration Services
Riverside County · #RFP #PKARC-283
Water & Sewer
CAStateOpenAug 24, 2026
On-Call Pipeline Maintenance and Repair Services
BidNet Direct - California
Water & Sewer
CACityUnder ReviewAug 25, 2026
Easterly Wastewater Treatment Plant 1W Well 3 Equipping
Vacaville
Water & Sewer
CACityOpenAug 26, 2026
MacArthur Lake Stormwater Capture Project
Los Angeles · #230903
Water & Sewer
CAStateOpenSep 3, 2026
Districtwide CDC Water Drainage Re-Route - Increment 1
BidNet Direct - California
Water & Sewer
CAother_specialOpenSep 4, 2026
KMPUD Water & Wastewater Rate Study
KIRKWOOD MEADOWS PUB UTIL DIST
Water & Sewer
CACityOpenSep 15, 2026
Civil Engineer Consultant For Pierce Street Wastewater Lift Station
Riverside
Water & Sewer

California Agencies with Open Water & Sewer Bids

BidNet Direct - California15 openAlameda13 openSacramento Area Sewer District11 openLos Angeles6 openLucia Mar Unified5 openOrange County4 openStockton3 openEAST NILES COMM SERVICE DIST3 open

Other Bid Categories in California

ConstructionRoads & PavingIT & TechnologyProfessional ServicesEngineeringLegal & FinancialVehicles & EquipmentFacilities & MaintenanceLandscaping & GroundsSupplies & MaterialsEnvironmentalPublic SafetyParks & RecreationTransportationFood ServicesMedical & HealthEducationUtilities

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