Construction Procurement Bids in Illinois
70 open construction procurement opportunities
Top agencies posting construction bids in Illinois: Cook County, IL,Illinois BidBuy,City of Chicago Department of Procurement Services.
Construction procurement in Illinois
Construction procurement in Illinois sits at the intersection of two things: undefined. The largest Illinois state buyers are the Illinois Department of Transportation (IDOT — $2. On ProcureTap you can browse the 70 open construction opportunities in Illinois plus recent awards from the same agencies for context.
Register on BidBuy (bidbuy. Construction contracts in Illinois follow typical state and federal fiscal calendars — expect a spike in issuance in Q1 of each fiscal year. Set-aside eligibility is worth checking on every bid — many construction solicitations include small-business, minority, women-owned, or veteran-owned participation goals that can materially affect scoring even when the contract is not formally set aside.
Common questions — Construction in Illinois
How do I register to bid on Illinois construction contracts?
Register on BidBuy (bidbuy.illinois.gov) — the Illinois procurement platform powered by Periscope. Registration is free and covers all state-agency solicitations over $100,000. For BEP certification (MBE/WBE/VBE/PBE), apply through the Commission on Equity and Inclusion at illinois.gov/cei. For the City of Chicago, register separately on eProcurement at chicago.gov/procurement. Illinois Department of Transportation bidders must also complete IDOT Prequalification of Contractors before bidding construction.
Open Construction bids in Illinois
RR-26-9313R Veterans Memorial Tollway (I-355) Facility Improvements at Central Admin. Bldg. MP 19.8
RR-26-9313R Veterans Memorial Tollway (I-355) Facility Improvements at Central Admin. Bldg. MP 19.8
I-16-4669 - CO #40 - ATP #63.1 - Rdwy and Bridge Construct,IL390 and I490 Intchange
I-16-4669 - CO #40 - ATP #63.1 - Rdwy and Bridge Construct,IL390 and I490 Intchange
I-16-4669 - CO #37 - ATP #46.1 - Rdwy and Bridge Construct,IL390 and I490 Intchange
I-16-4669 - CO #37 - ATP #46.1 - Rdwy and Bridge Construct,IL390 and I490 Intchange
I-16-4669 - CO #36 - ATP #61 - Rdwy and Bridge Construct,IL390 and I490 Intchange
I-16-4669 - CO #36 - ATP #61 - Rdwy and Bridge Construct,IL390 and I490 Intchange
I-21-4737 - CO #44 - ATP #39.3 - I-490 Tollway Railroad Bridge Construction
I-21-4737 - CO #44 - ATP #39.3 - I-490 Tollway Railroad Bridge Construction
I-21-4737 - CO #45 - ATP #7.2 - I-490 Tollway Railroad Bridge Construction
I-21-4737 - CO #45 - ATP #7.2 - I-490 Tollway Railroad Bridge Construction
I-21-4737 - EWO #50 - ATP #95 - I-490 Tollway Railroad Bridge Construction
I-21-4737 - EWO #50 - ATP #95 - I-490 Tollway Railroad Bridge Construction
EMERGENCY NOTICE - Bridge Repairs, I-88, MP 121.9 (Canadian National Railway)
EMERGENCY NOTICE - Bridge Repairs, I-88, MP 121.9 (Canadian National Railway)
I-21-4834 - EWO #114 - ATP #159 - I-294 Roadway and Bridge Reconstruction
I-21-4834 - EWO #114 - ATP #159 - I-294 Roadway and Bridge Reconstruction
I-21-4738 - CO #101 - ATP #87 - I-490 Railroad Track Relocation and Retaining Wall
I-21-4738 - CO #101 - ATP #87 - I-490 Railroad Track Relocation and Retaining Wall
I-21-4732 - EWO #86 - ATP #92 - I-490 Railroad Bridge Construction & Earthwork
I-21-4732 - EWO #86 - ATP #92 - I-490 Railroad Bridge Construction & Earthwork
Milling and Repaving of Library and Herndon Parking Lots
Milling and Repaving of Library and Herndon Parking Lots
1285228A HELIX FOUNDATION POLE BASES, HELIX FOUNDATION POLE BASES CABLE
Department: CHICAGO DEPARTMENT OF TRANSPORTATION; Type: Commodities; Compliance Goals: 10% MBE 5% WBE; Protected Markets: NA; Questions Due: 01-SEP-2026 16:00:00
Frequently Asked Questions
How many construction procurement bids are available in Illinois?
There are currently 70 open construction procurement opportunities in Illinois, with 7 closing within the next seven days. These include RFPs, RFQs, ITBs, and other solicitation types from government agencies, universities, hospitals, and other public organizations.
Which Illinois agencies post the most construction bids?
The top agencies posting construction bids in Illinois include Cook County, IL, Illinois BidBuy, City of Chicago Department of Procurement Services. Each of these issues multiple solicitations per month and is tracked continuously by ProcureTap.
How do I bid on construction contracts in Illinois?
Browse the construction opportunities listed above, click on a bid title to view the full solicitation on the issuing organization's website, then follow their submission instructions. Most government agencies and institutions require vendor registration before submitting a response.
How often are new construction bids posted?
New construction procurement opportunities are posted daily by government agencies, universities, hospitals, and other organizations across Illinois. Our system checks for new bids every 6 hours to ensure you see the latest opportunities.