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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.
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 63 open plumbers contracts in our database, with 49 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 Federal Subcontract (9 open posts) and Los Angeles County (6), 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
Wastewater Collection System Improvement Project
Mozingo Construction, Inc. is seeking certified DBE/MBE/WBE/HUD subcontractors/suppliers for the Wastewater Collection System Improvement Project bidding August 6, 2026 @ 2:00PM for the following (not…
IFB #10220465 Water Treatment System Services
The Contractor (Contractor) will provide the Department of Water Resources (DWR) with comprehensive services for the inspection, testing, maintenance, refurbishment, repair, replacement, and installat…
City of Williams – Wastewater Collection System Improvement Project (Job No. 2290.16)
The Project consists of replacement of up to approximately 10,500 LF of 8-inch to 24-inch collection pipeline, replacement of laterals and installation of new two-way cleanouts within the right-of-way…
P2640004: Water Plant Maintenance, at Mendota Wildlife Area, Fresno County
The Contractor will provide to the California Department of Fish and Wildlife (CDFW): labor, materials, tools, equipment, taxes and incidentals necessary for biweekly (every 2 weeks) inspection, maint…
Installation of Equipment- 13 Water Bottle Filling
Original Set Aside: Total 100% Small Business Product Service Code: N046 - Installation of Equipment- Water Purification and Sewage Treatment Equipment NAICS Code: 238220 Plumbing, Heating, and Air-Co…
On-Call Professional Engineering Services for Stormwater Toxic Total Maximum Daily Load Compliance Projects
Category: Personal Services Type: RFP - Request For Proposal
Y--FENCE INSTALLATION AND GATE SYSTEM
FENCE INSTALLATION AND GATE SYSTEM
HVAC System Installation at City Yard Contract No. GB26-015
The Contractor shall perform all Work within the time stipulated in the Contract, and shall provide all labor, materials, equipment, tools, utility services, and transportation to complete all of the …
C5613339-D, Sewer Line and Storm Drain System Cleaning Services
The Contractor shall furnish all labor, including travel and per diem, stand-by-time, materials, non-consumable supplies, tools, transportation for systematic high-pressure cleaning, equipment, permit…
3CA07818 Replace Fire Hydrants Services
Contractor shall provide all materials, labor, equipment, tools, permits, taxes, transportation, and fees to furnish, install, remove, and replace fire hydrants. Fire Hydrants replacement is necessary…
Backflow Assemblies Testing, Maintenance, Repair & Replacements
The Service Provider must possess a valid California C-36 and C-16 contractor license, and a valid Certificate of Competence for backflow prevention assembly testing issued by CA-NV AWWA or an equival…
On-Call CCTV Sanitary Sewer Inspection
The County of San Mateo Department of Public Works is seeking sealed proposals from qualified Contractors to inspect manholes and pipelines and perform a closed-circuit television (CCTV) inspection in…
Installation of Equipment- 13 Water Bottle Filling -W91QF426BA010
Original Set Aside: Small Business Product Service Code: N046 � Installation of Equipment � Water Purification and Sewage Treatment Equipment NAICS Code: 238220 Plumbing, Heating, and Air?Conditioning…
TREE MAINTENANCE, INSTALLATION and IRRIGATION WORK
X:NOGRN: SERVICE - TREE MAINTENANCE, INSTALLATION and IRRIGATION WORK in AQUATIC PARK of SAN FRANCISCO MARITIME NHP (SAFR).
Installation of Ductile Iron Water Mains in Villa Street and Colorado Boulevard - WD-26-03
The Work covered in this Specification is located on Villa Street from Hill Avenue to Palo Verde Avenue, and Colorado Boulevard from Patrician Way to Melrose Avenue, in the City of Pasadena, Californi…