Ontario, California government contracts, bids & RFPs
Open solicitations where the work will be performed in or around Ontario, California — including city and county bids, school district and special-district RFPs, and federal contracts with a Ontario place of performance. Updated daily from official procurement sources.
6 open solicitations right now.
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Contract activity in Ontario
A current snapshot based on 6 listings shown on this page. Counts update with the directory.
- City of Ontario, CA4
- Federal (SAM.gov)1
- Municipal (RSS feeds)1
Deadline outlook
- Next 30 days
- 5
- Later
- 0
- Open / rolling
- 1
Most represented buyers
- City of Ontario, CA4
- DEPT OF DEFENSE1
4 of the listings shown were posted in the last 30 days. City of Ontario, CA contributes the largest share (4). City of Ontario, CA is the most represented buyer in this snapshot.
Latest open solicitations in Ontario
- FIRE-1923 - USA (Ontario, California) - Campus Wide Fire Alarm Replacement System - Deadline October 26,2026Ontario, CAPosted Sep 26, 2026Due Oct 26, 2026
(1) Vendor needs to provide campus wide fire alarm replacement system to the fire sprinklers; however, some buildings may require modification to the sprinkler system to allow monitoring by the fire alarm system to the government authority located in Ontario, CA.– The fire alarm work includes but is limited to: reviewing existing fire alarm systems, designing updated systems, obtaining permits, replacing all existing fire alarm panels, replacing all conductors, replacing detectors and…
More - Pure Water Ontario Advanced Water Purification Facility (UT1091)City of Ontario, CACity of Ontario, CAPosted Oct 15, 2026Due Nov 13, 2026
- Engineering Design Services for the Turner Avenue Storm Drain and Street Improvement Project (SM2701)City of Ontario, CACity of Ontario, CAPosted Oct 15, 2026Due Nov 12, 2026
- UT 1065 FY2026-27 Water Main ImprovementsCity of Ontario, CACity of Ontario, CAPosted Oct 14, 2026Due Nov 18, 2026
- FM26-001 Chaffey Community Museum of Art Roof ReplacementCity of Ontario, CACity of Ontario, CAPosted Oct 8, 2026Due Nov 6, 2026
- SPRRA1-26-Q-0026 // SHIPPING AND STORAGE CASES // NSN 8145004498424DEPT OF DEFENSEOntario, CAPosted Sep 23, 2026
Recently closed in Ontario
These Ontariosolicitations closed recently — a sign of what buys here. Set a free alert so you don’t miss the next one.
- Engineering Design Services for Archibald Avenue At-Grade Railway Crossing Safety Improvements Federal Project No. STPLR-7500(311)City of Ontario, CACity of Ontario, CAClosed Oct 26, 2026
- CSE-24729 - USA (Ontario, California) - Airport Unarmed Security Services - Deadline October 19,2026Ontario, CAClosed Oct 19, 2026
(1) Vendor needs to provide airport unarmed security services to the government authority located in Ontario, CA. – Provide professional, unarmed security services at International Airport.– Capable of providing additional qualified and properly badged personnel on a 24–hour, seven–day per–week basis.– Provide trained, qualified, and properly badged security personnel to perform security functions at designated airport access points, secured area access points, terminal facilities, loading…
More - Professional Graphic Design And Production Services For Ontario Living MagazineCity of Ontario, CACity of Ontario, CAClosed Oct 19, 2026
- Annual Sidewalk and Concrete Maintenance ProjectCity of Ontario, CACity of Ontario, CAClosed Oct 15, 2026
- FY 26/27 Citywide Traffic Safety ImprovementsCity of Ontario, CACity of Ontario, CAClosed Oct 8, 2026
- Agenda Management SoftwareCity of Ontario, CACity of Ontario, CAClosed Oct 6, 2026
- On-Call Water Treatment Plant Maintenance ProgramCity of Ontario, CACity of Ontario, CAClosed Oct 5, 2026
- Sixth Street Roadway Improvements ProjectCity of Ontario, CACity of Ontario, CAClosed Sep 30, 2026
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Create free alertNearby cities & counties
- Chino (6) · 5 mi
- Eastvale (3) · 5 mi
- Jurupa Valley (1) · 8 mi
- Norco (4) · 8 mi
- Pomona (8) · 9 mi
- Fontana (2) · 10 mi
- La Verne (1) · 11 mi
- Corona (6) · 12 mi
- Diamond Bar (2) · 12 mi
- Rialto (1) · 13 mi
- Riverside (46) · 14 mi
- Yorba Linda (1) · 14 mi
- Walnut (1) · 14 mi
- Anaheim (5) · 15 mi
- Colton (1) · 16 mi
- Covina (3) · 16 mi
- Brea (1) · 17 mi
- West Covina (3) · 18 mi
- San Bernardino (13) · 19 mi
- Loma Linda (5) · 20 mi
- Baldwin Park (1) · 21 mi
- La Habra (1) · 21 mi
- Fullerton (1) · 21 mi
- Orange (2) · 23 mi
- Monrovia (1) · 23 mi
- Moreno Valley (3) · 24 mi
- Tustin (1) · 24 mi
- El Monte (2) · 24 mi
- Redlands (7) · 25 mi
- La Mirada (1) · 25 mi
- South El Monte (3) · 25 mi
- Arcadia (2) · 26 mi
- Highland (1) · 26 mi
- Santa Ana (17) · 26 mi
- Buena Park (1) · 26 mi
- Temple City (2) · 26 mi
- Irvine (11) · 27 mi
- Lake Forest (1) · 27 mi
- Garden Grove (2) · 27 mi
- Santa Fe Springs (2) · 27 mi
Frequently asked
6 open government solicitations are currently posted with a Ontario, California place of performance — including city, county, school-district, special-district, and federal bids — updated daily.
Ontario solicitations span construction, professional and IT services, supplies, and equipment, posted by Ontario and California agencies as well as federal buyers performing work there.