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

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

StatusTitleBuyerDue Date
OpenSanta Clarita Valley Sanitation District Annexation No. 1134

The Santa Clarita Valley Sanitation District of Los Angeles County is proposing Annexation No. 1134 to provide off-site sewage disposal service to an existing developed area.

Los Angeles County, CA, USA•Other
California-
OpenPalisades Branch Library Geotechnical and Environmental Investigation

The City of Los Angeles Bureau of Engineering is seeking an eligible pre-qualified consultant to perform geotechnical and environmental investigations for the Palisades Branch Library Replacement Project.

Los Angeles County, CA, USA•Request for Proposal (RFP)
City of Tempe > Engineering Division10/15/2026
OpenAutomotive and Construction Batteries

The City of Los Angeles Department of Water and Power is seeking bids for batteries for automotive and construction applications, due electronically through its eRSP system on October 15, 2026.

Los Angeles County, CA, USA•Invitation for/to Bid (IFB/ITB)
City of Los Angeles > Department of Water & Power10/15/2026
OpenFamily Time Centers and Safe Child Custody Exchange Services

The Los Angeles County Department of Children and Family Services is seeking proposals for two contracts to provide coached, monitored family time and safe child custody exchanges in designated service planning areas.

Los Angeles County, CA, USA•Request for Proposal (RFP)
Los Angeles County > Department of Children and Family Services10/23/2026
OpenJob Order Contract for General Contracting Services

Orange County Public Works is seeking pre-qualified general contractors for an electronic job order contract covering on-call construction, repair, renovation, replacement, maintenance, alteration, and emergency work at County facilities.

Orange County, CA, USA•Invitation for/to Bid (IFB/ITB)
Orange County > OC Public Works10/13/2026
OpenOverhead Ground Clamps

The Los Angeles Department of Water and Power is seeking bids for overhead ground clamps through its electronic procurement system.

Los Angeles County, CA, USA•Invitation for/to Bid (IFB/ITB)
City of Los Angeles > Department of Water & Power10/9/2026
OpenZumro Inflatable Shelter Systems

The City of Los Angeles is requesting bids for Zumro-manufactured inflatable shelter systems through its online vendor self-service system.

Los Angeles County, CA, USA•Request for Quote/Qualifications (RFQ)
City of Los Angeles > Department of General Services10/13/2026
OpenBroker-Dealer Application for Investment Services

The County of Orange is seeking broker-dealers to apply for authorization to provide investment-related services and potential inclusion on its Approved Broker-Dealers List.

Orange County, CA, USA•Request for Proposal (RFP)
Orange County10/21/2026
OpenLiquid Ammonium Sulfate 40%

The City of Los Angeles is requesting online quotes for liquid ammonium sulfate 40%.

Los Angeles County, CA, USA•Request for Quote/Qualifications (RFQ)
City of Los Angeles > Department of General Services10/13/2026
OpenCalWORKs Welfare-to-Work Employment Services

The County of Orange Social Services Agency is seeking a provider for CalWORKs Welfare-to-Work employment services, including subsidized employment, vocational training, job search, job placement, and employment counseling, under an estimated three-year contract of up to $18 million.

Orange County, CA, USA•Request for Proposal (RFP)Small BusinessService-Disabled Veteran-Owned Business
Orange County > Social Services Agency10/13/2026
OpenFamily Support and Abuse Prevention Services for Children with Developmental Disabilities

Los Angeles County Department of Children and Family Services is seeking proposals for Family Support and Abuse Prevention Services for Children with Developmental Disabilities.

Los Angeles County, CA, USA•Request for Proposal (RFP)
Los Angeles County > Department of Children and Family Services10/30/2026
OpenConnector Pipe Screen Stormwater Installations

The City of Irvine is seeking a contractor to supply and install 600 certified Connector Pipe Screen stormwater treatment devices at catch basins throughout the city, with optional catch basin cleaning.

Irvine, CA, USA•Invitation for/to Bid (IFB/ITB)
City of Irvine > Purchasing10/20/2026
OpenDisadvantaged Communities Green Tariff Renewable Energy Solicitation

Orange County Power Authority is seeking 0.53 MW of new, in-front-of-the-meter renewable energy resources within five miles of eligible disadvantaged community census tracts in Orange County, California.

Orange County, CA, USA•Request for Proposal (RFP)
Orange County Power Authority10/15/2026
OpenOrange County Hazardous Waste Disposal Services

The California Department of Transportation is seeking on-call hazardous waste assessment, packaging, transportation, disposal, and recycling services throughout Orange County under IFB 12A2395.

Orange County, CA, USA•Invitation for/to Bid (IFB/ITB)Small BusinessService-Disabled Veteran-Owned Business
California > Department of Transportation > Division of Procurement and Contracts10/20/2026
OpenExhibit R: Lower Tier Subaward Reporting

Los Angeles County Department of Economic Opportunity is seeking compliance with Exhibit R reporting requirements for lower tier subawards under federal grants.

Los Angeles County, CA, USA•Other
Los Angeles County > Department of Economic Opportunity-
OpenBMC Footprints Annual Maintenance

Los Angeles County is requesting bids for annual maintenance of BMC Footprints under solicitation RFB-IS-27200231.

Los Angeles County, CA, USA•Invitation for/to Bid (IFB/ITB)
Los Angeles County10/16/2026
OpenSidewalk Repair Program Package No. 89 (LA28)

The City of Los Angeles is seeking a contractor for a design-bid-build project to repair sidewalks and related pedestrian infrastructure at six LA28 Program Access Improvement sites, with an estimated value of $2,351,162.

Los Angeles County, CA, USA•Invitation for/to Bid (IFB/ITB)OtherOtherOtherOther
City of Los Angeles > Department of Public Works > Bureau of Engineering10/14/2026
OpenF/A-18 SBAR Overhaul and Upgrade

The U.S. Navy is seeking a source to overhaul 836 F/A-18 and EA-18G secondary bleed air regulating and shutoff valves and upgrade them from part number 2770073-114 to 2770073-115, with the Government intending a sole-source award to Parker Hannifin Corp.

Irvine, CA, USA•Sole Source
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)10/9/2026
OpenSenior Grant Program Construction Rehabilitation Services

The Los Angeles County Development Authority is requesting quotes for construction rehabilitation services under its Senior Grant Program.

Los Angeles County, CA, USA•Request for Quote/Qualifications (RFQ)
Los Angeles County > Los Angeles County Development Authority10/19/2026
OpenLADWP Simplified Purchasing Program (SPP) Vendor Prequalification

The Los Angeles Department of Water and Power is seeking vendors to prequalify for its Simplified Purchasing Program for one-time spot purchases of goods and services valued up to $25,000.

Los Angeles County, CA, USA•Request for Quote/Qualifications (RFQ)
City of Los Angeles > Department of Water & Power6/30/2031
OpenNative Seed Amplification and Coordination Services

Orange County OC Community Resources is seeking a contractor to amplify, process, store, test, package, and coordinate genetically appropriate native seed for ecological restoration projects, along with related restoration guidance and reporting.

Orange County, CA, USA•Request for Proposal (RFP)Small BusinessService-Disabled Veteran-Owned Business
Orange County > OC Community Resources11/19/2026
OpenCost Allocation Plan Development

Los Angeles County Department of Economic Opportunity is seeking a contractor to develop a Cost Allocation Plan.

Los Angeles County, CA, USA•Request for Proposal (RFP)
Los Angeles County > Department of Economic Opportunity-
OpenBrand-Specific 911 Circuits CH26 Harnesses

Los Angeles County is requesting bids for brand-specific 911 circuits CH26 harnesses under solicitation RFB-IS-27200196.

Los Angeles County, CA, USA•Request for Quote/Qualifications (RFQ)
Los Angeles County10/14/2026
OpenSouth Whittier Community Bikeway Access Improvements

Los Angeles County Department of Public Works is seeking bids for community bikeway access improvements across La Mirada, Santa Fe Springs, and South Whittier.

Los Angeles County, CA, USA•Invitation for/to Bid (IFB/ITB)
Los Angeles County > Department of Public Works11/3/2026
OpenMotivational Interviewing Training and Coaching Services

Orange County Social Services Agency is seeking a qualified vendor to provide Motivational Interviewing training, coaching, recorded learning modules, train-the-trainer services, and related technical assistance for agency and Family Resource Center staff.

Orange County, CA, USA•Invitation for/to Bid (IFB/ITB)
Orange County > Social Services Agency10/22/2026
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