RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in Modesto, California

Browse open government contracting RFPs, RFIs, RFQs, and Sources Sought in Modesto, California on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies across Modesto, California, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

StatusTitleBuyerDue Date
OpenShaft, Bolt, and Breech Assemblies

The Defense Logistics Agency is seeking 1,133 shaft, bolt, and breech assembly units under a HUBZone set-aside, with electronic quotes due November 16, 2026.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Other
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (LAND SUPPLY CHAIN)11/16/2026
OpenThree Culvert Replacements with Drainage Improvements

The California Department of Transportation, District 10, is planning to replace three culverts on State Route 205, including new corrugated steel pipe arch culverts, flared end sections, and rock slope protection.

San Joaquin County, CA, USA•Other
California > California Department of Transportation > District 10-
OpenProbation GPS Electronic Monitoring Services

San Joaquin County Probation is seeking a provider of GPS electronic monitoring services for adult and juvenile offenders, including dependable service and customer support.

San Joaquin County, CA, USA•Request for Proposal (RFP)
San Joaquin County > Probation Department12/5/2026
OpenTransportation Safety Action Plan and Roadway Design Guidelines

Stanislaus County Public Works is seeking a consulting firm to develop a Safe Streets and Roads for All Safety Action Plan and roadway design guidelines, including transportation safety analysis, engineering, and public engagement.

Stanislaus County, CA, USA•Request for Proposal (RFP)
County of Stanislaus > Public Works11/20/2026
OpenBuilding Demolition and Right-of-Way Clearance

The Stanislaus Council of Governments is seeking a contractor to demolish buildings and remove hazardous materials, debris, and related site features from 27 properties for the SR 132 West Interchange project.

Stanislaus County, CA, USA•Invitation for/to Bid (IFB/ITB)
California > Stanislaus Council of Governments11/23/2026
OpenVehicular Seats

The Defense Logistics Agency is seeking five vehicular seats for delivery to DLA Distribution San Joaquin, with electronic quotes due November 16, 2026.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (LSO COMBAT VEHICLES AND ARMAMENT)11/16/2026
OpenVehicular Safety Belts

The Defense Logistics Agency is requesting 29 vehicular safety belts for delivery to DLA Distribution San Joaquin, with quotes due November 16, 2026.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (LSO COMBAT VEHICLES AND ARMAMENT)11/16/2026
OpenDistrictwide Wireless Network Equipment and Installation

Empire Union School District is seeking approximately 229 wireless access points, a controller, licensing, installation, configuration, and support for a districtwide network upgrade across six schools and two other facilities.

Modesto, CA, USA•Request for Proposal (RFP)
MSD of Warren Township Schools > Technology Department1/15/2027
OpenSouthwest Pipeline Pool 5 Replacement Project

The Oakdale Irrigation District is seeking a contractor to replace approximately 1,646 linear feet of 27-inch PVC pipeline, including two turnouts, as part of the Southwest Pipeline Pool 5 Replacement Project in Stanislaus County, California.

Stanislaus County, CA, USA•Other
Oakdale Irrigation District-
OpenGlobe Valve Supply

The Defense Logistics Agency is requesting 61 globe valves for delivery to its distribution facility in San Joaquin, California.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME HARDWARE/ELECTRICAL)11/16/2026
OpenMental Health Rehabilitation Center Operations

San Joaquin County Behavioral Health Services is seeking an organization to operate a 64-bed, locked Mental Health Rehabilitation Center providing 24-hour care and rehabilitative services to adults with severe mental disorders.

San Joaquin County, CA, USA•Request for Proposal (RFP)
San Joaquin County > Behavioral Health Services Department12/14/2026
OpenElectrical Headsets

The Defense Logistics Agency is requesting 11 electrical headsets for delivery to its distribution facility in San Joaquin, with quotes submitted electronically.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (ACTIVE DEVICES DIVISION)11/16/2026
OpenLease-Leaseback School Construction Services

Modesto City Schools is seeking a lease-leaseback contractor for school window replacement, parking expansion, pool chemical room improvements, and stadium scoreboard projects.

Modesto, CA, USA•Request for Quote/Qualifications (RFQ)
Modesto City Schools12/7/2026
OpenAccess Covers

The Defense Logistics Agency is requesting 35 access covers for delivery to its distribution facility.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (LAND SUPPLY CHAIN)11/16/2026
OpenIndependent Audit Services (Rescinded)

Modesto City Schools is seeking independent audit services, but RFP 19-4699 has been rescinded.

Modesto, CA, USA•Request for Proposal (RFP)
Modesto City Schools-
OpenSafety Relief Valves

The Defense Logistics Agency is seeking 29 safety relief valves for delivery to DLA Distribution San Joaquin.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME HARDWARE/ELECTRICAL)11/16/2026
OpenRear Bearing Assemblies

The Defense Logistics Agency is requesting 57 rear bearing assemblies for delivery to DLA Distribution San Joaquin under an SDVOSB set-aside.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Service-Disabled Veteran-Owned Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [CLASS IV])11/23/2026
OpenProtective Dust Caps

The Defense Logistics Agency is requesting 1,096 protective dust caps under a HUBZone set-aside, with quotes submitted electronically.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Other
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (LAND SUPPLY CHAIN)11/16/2026
OpenMetal Sheet Supply

The Defense Logistics Agency is seeking 393 sheets of metal under an RFQ, with delivery required within 55 days after award.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Woman-Owned Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT MRO SVC I)11/13/2026
OpenShaft Seal Assembly

The Defense Logistics Agency is requesting an electronic quote for one shaft seal assembly, with delivery to DLA Distribution San Joaquin within 168 days after order.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME SUPPLY CHAIN)11/16/2026
OpenOn-Call Plumbing and Drain-Clearing Services

Stanislaus County is seeking two contractors to provide on-call plumbing, drain-clearing, repair, inspection, and backflow-testing services at County-owned facilities under a three-year public works contract with two possible one-year extensions.

Stanislaus County, CA, USA•Invitation for/to Bid (IFB/ITB)
County of Stanislaus > General Services Agency > Purchasing Division11/20/2026
OpenLiability and Medical Malpractice Claims Administration

San Joaquin County is seeking a third-party administrator to handle liability and medical malpractice claims, including new claims reported after July 1, 2027, and prior claims still open on that date.

San Joaquin County, CA, USA•Request for Proposal (RFP)
San Joaquin County > Probation Department > Purchasing and Support Services Department12/5/2026
OpenOil Fuel-Flow Control Component

The Defense Logistics Agency is seeking one oil fuel-flow control component from approved sources, with quotes submitted electronically.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [LGTNG II])11/23/2026
OpenPressure Switches

The Defense Logistics Agency is requesting 64 pressure switches for delivery to its distribution facility.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (ELECTRICAL DEVICES DIV)11/16/2026
OpenElectrical Insulator Bushings

The Defense Logistics Agency is requesting 37 insulator bushings for delivery to DLA Distribution San Joaquin within 81 days after award.

San Joaquin County, CA, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA AVIATION (ASC COMMODITIES DIVISION)11/19/2026
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