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Government contracts for plumbers in California

A snapshot of open federal, state, and local opportunities in California, updated daily. To search them and get daily matches for your business, sign up free.

88
Open contracts
65
Added last 30 days

About plumbers contracts in California

Plumbers contracts in California typically cover backflow-preventer testing, water-main repair, fixture replacement at federal buildings, sewer-line work at correctional facilities, and on-call plumbing IDIQs. Federal posts in this category fall under NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors), and the bulk of the work flows to the Army Corps of Engineers, the Federal Bureau of Prisons, and GSA. Small-business set-asides are common because most jobs sit well below the simplified acquisition threshold.

California currently has 88 open plumbers contracts in our database, with 65 added in the last 30 days. That's enough volume that a focused small business can win recurring work in this state without ever leaving its home market. The most active buyers are Los Angeles County (10 open posts) and Federal Subcontract (10), with the rest spread across other federal civilian agencies, DoD components, and state and local departments active in California.

Beyond federal opportunities, much of the plumbers work in California is posted through Cal eProcure, with recurring buyers including Caltrans, the University of California system, the California Department of General Services, and the City and County of Los Angeles. California's SB/DVBE certification programs reserve a target share of state spend for certified small and disabled-veteran-owned firms — getting certified is usually step one. ContractRadar pulls federal postings from SAM.gov alongside state and local feeds so a plumbing contractor doesn't have to monitor each portal manually.

Top matching contracts in California

SUB

JCSD INTERVALLEY PIPELINE PROJECT P.N.C155003

This project consist of demolition, furnishing, installing, testing and making operational 3.3 milesof 42-inch cement mortar lined and coated steel potable water transmission pipeline andassociated ap…

Estimating Dept.Performance: CADue Sep 18, 2026Posted Aug 20, 2026
Set-Aside: DBE · MBE · WBENAICS Code: 237110Buyer: Norstar Plumbing and Engineering, Inc.
SUB

Water Line Replacement at Oakland and Santa Fe – CIP 5661, CA

The work includes C900 PVC water main, ductile iron fittings, valves, valve boxes, hydrants, water services, blow-offs, air/vacuum assemblies, tie-ins, excavation/trenching, bedding, backfill, compact…

Performance: CADue Sep 21, 2026Posted Aug 22, 2026
Set-Aside: DBE · MBE · WBENAICS Code: 237310Buyer: Pyramid Building & Engineering, Inc.
SUB

Water Line Replacement at Oakland and Santa Fe - CIP 5661 in CA

The scope of work generally consists of, but is not limited to the installation of approximately 8,200 linear feet of 16-inch C900 PVC water main, including all required fittings, valves, valve boxes,…

Estimating DepartmentPerformance: CADue Sep 21, 2026Posted Aug 22, 2026
Set-Aside: SBA · SDB · WOSB · HZC · VSA · DBE · DVB…NAICS Code: 237110Buyer: Garney Pacific, Inc.
CA

Embedded Piping Services (So Cal) IFB # 10213720

Repair, maintenance, replacement, refurbishment, installation, testing, and inspection of embedded piping and associated piping systems in hydroelectric and other related facilities.

Department of Water ResourcesPerformance: CADue Sep 28, 2026Posted Sep 10, 2026
SUB

JCSD Intervalley Pipeline Project

The projects consist of demolition, furnishing, installing, testing and making operational 3.3 miles of 42- inch cement mortar lined and coated steel potable water transmission pipeline and associated…

TSSCPerformance: CADue Sep 18, 2026Posted Aug 12, 2026
Set-Aside: SBA · SDB · WOSB · HZC · VSA · SDVOSBS ·…NAICS Code: 237110Buyer: WEKA Inc.
SUB

JCSD Intervalley Pipeline Project; PN C155003

Install 3.3 miles of potable water transmission pipeline. Filanc is accepting quotes for the following scopes: Videography, Testing & Inspections, Settlement Monitoring, SWPPP, Survey, Traffic Control…

EstimatingPerformance: CADue Sep 18, 2026Posted Aug 14, 2026
Set-Aside: SBA · SDB · WOSB · HZC · VSA · SDVOSBS ·…NAICS Code: 237110Buyer: Filanc
SUB

Regional Water Recycling Plant No. 5 (RP-5) Offsite Facilities Project

This project consists of all materials, labor, tools, equipment, apparatus, facilities, transportation and incidentals necessary to furnish, install, commission, start up and deliver a complete and fu…

EngineeringPerformance: CADue Oct 6, 2026Posted Sep 2, 2026
Set-Aside: DBE · MBE · WBENAICS Code: 237110Buyer: Norstar Plumbing and Engineering, Inc.
CA

On-Call Plumbing Repairs Services 26-20017 IFB

Contractor shall provide all necessary materials, supplies, tools, equipment, transportation, licenses, permits, prevailing wages, insurance, and personnel to: provide the DSH with on-call plumbing re…

Department of State HospitalsPerformance: CADue Oct 14, 2026Posted Sep 10, 2026
SCC

Kiefer Landfill Basin Discharge Piping

The Project includes, without limitation, furnishing all necessary labor, materials, equipment and other incidental and appurtenant Work necessary to satisfactorily complete the Project, as more speci…

Sacramento CountyPerformance: CADue Sep 24, 2026Posted Aug 31, 2026
Department: Waste Management and RecyclingSolicitation #: 41019
FRE

Requirements Contract to Furnish & Install Polyethylene Water Service Replacements

The scope of work includes but is not limited to: reactive replacement of existing polyethylene with copper services. The Contract term is for one (1) year, with provisions for two (2) one-year extens…

City of FresnoPerformance: CADue Sep 29, 2026Posted Aug 31, 2026
Solicitation #: 12700039
SUB

MWD - Inland Feeder/SBVMWD Foothill Pump Station Intertie, Stage 1 (Specification 2049)

Furnishing and installing 2,150 linear feet of 54-inch to 66-inch diameter steel pipe, furnishing and installing approximately 200 linear feet of 144-inch diameter steel pipe, installation of large di…

Performance: CADue Sep 29, 2026Posted Sep 9, 2026
Set-Aside: SBA · SDB · WOSB · HZC · VSA · SDVOSBS ·…NAICS Code: 237110Buyer: W.A. Rasic Construction Company, Inc.
SUB

North of River Sanitary District No. 1 WRRF Upgrades and Expansion

Kiewit is requesting quotes for various areas of work including but not limited to: Aggregates, trucking and hauling, street sweeping, ductile iron pipe, plastic pipe (PVC), manhole materials, asphalt…

EstimatingPerformance: CADue Sep 17, 2026Posted Aug 20, 2026
Set-Aside: SBA · SDB · WOSB · DBE · DVBE · MBE · WB…Buyer: Kiewit Infrastructure West Co.
SUB

Gumtree and Knoll Park Pipeline Replacement Project

Gumtree and Knoll Park Pipeline Replacement Project. Owner: Fallbrook Public Utility District. Bid/Contract #: Job No. 3274. Location: Fallbrook, San Diego, CA. Learn more at dbegoodfaith.com/item.php…

Performance: CADue Sep 29, 2026Posted Aug 27, 2026
Set-Aside: SBA · SDB · WOSB · HZC · DBE · MBE · WBENAICS Code: 237110Buyer: PK Mechanical Systems, Inc.
SAN

As-Needed Prefabricated Concrete Drain Structures, Pipes and Parts

The Vendor shall furnish and deliver precast concrete storm drain structures, pipes, parts,and associated appurtenances for use by the City of San Diego Stormwater Department in therepair, replacement…

City of San DiegoPerformance: CADue Oct 13, 2026Posted Sep 14, 2026
Solicitation #: 10090528-27-C
SCC

Main Jail – Hall of Justice – Refurbish Existing Pipe Chase Leak Detection System

The Project includes, without limitation, furnishing all necessary labor, materials, equipment and other incidental and appurtenant Work necessary to satisfactorily complete the Project, as more speci…

Sacramento CountyPerformance: CADue Nov 5, 2026Posted Sep 10, 2026
Department: DGS: CAPSD - ConstructionSolicitation #: 41010

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Top contracting agencies in California

Los Angeles County10 contracts
Federal Subcontract10 contracts
Internal Services Department4 contracts
CAL FIRE4 contracts
Sacramento County4 contracts

Other industries in California

Other states for Plumbers

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88 Open Plumbing Contracts in California | ContractRadar