Chicago Construction Bids & Government Contracts
Review Chicago procurement opportunities from city, county, regional, and state sources. Compare portals, deadlines, and project categories before you estimate.
Quick answer: this page helps contractors review Chicago construction bid sources, identify relevant local portals, and confirm requirements before responding to an agency solicitation.
Live bid activity
51 active government construction bids are open to Chicago contractors right now.
Updated Jul 17, 2026
Top agencies
- City of Chicago CITY16
- City of Chicago CTA10
- DOC - Corrections7
Top trades
Recent bids
C26FI103312371 Request for Proposals (RFP) - Construction Services for the Systemwide Elevator Modernization Project
City of Chicago CTA closes
Requisition No. B27OP00962- Request for Proposals (RFP) for the Purchase of Natural Gas for Exclusive Use by the Chicago Transit Authority
City of Chicago CTA closes
C26FT103350367 Request for Proposals (RFP) Design-Build - Forest Park Track Improvements - Kedzie to Pulaski
City of Chicago CTA closes
Common Construction Bid Categories in Chicago
Contractors commonly review these local project categories when screening public construction opportunities.
O'Hare Modernization
Use agency documents to confirm current scope, eligibility, addenda, and deadlines for this category.
Red Line Extension
Use agency documents to confirm current scope, eligibility, addenda, and deadlines for this category.
Riverwalk Development
Use agency documents to confirm current scope, eligibility, addenda, and deadlines for this category.
Infrastructure Repair
Use agency documents to confirm current scope, eligibility, addenda, and deadlines for this category.
Chicago Procurement Sources to Review
Start with these named local and regional sources, then confirm final details in the issuing agency portal.
Chicago eProcurement
Review this source for current solicitations, addenda, and vendor instructions.
Cook County Procurement
Review this source for current solicitations, addenda, and vendor instructions.
Chicago Public Schools Procurement
Review this source for current solicitations, addenda, and vendor instructions.
CTA Capital Construction
Review this source for current solicitations, addenda, and vendor instructions.
O'Hare Airport Expansion
Review this source for current solicitations, addenda, and vendor instructions.
5+ bid sources in Chicago
Get instant alerts when new opportunities drop from these sources.
Official portals contractors use in Chicago
These links point to public procurement systems and agency entry points that may be useful for Chicago contractors. Use them to confirm registration, current addenda, and solicitation calendars with the issuing agency.
Nearby Cities in Illinois
Expand your search to surrounding areas
Service details for Chicago bid discovery
These details clarify what ConstructionBids.ai provides without unsupported local business claims.
- Business
- ConstructionBids.ai
- Service area
- Chicago, IL and nearby U.S. public-sector sources where coverage is available
- Service
- Bid source discovery, saved searches, alerts, deadline tracking, and bid-prep workflow support
- Pricing path
- Review plans from $59 - $99/month
- Signup path
- Create an account
- Support contact
- support@constructionbids.ai
Frequently Asked Questions
Common questions about Chicago construction bidding
Which procurement sources are relevant to Chicago contractors?
This page highlights city, county, regional, and state procurement sources that contractors commonly review for Chicago bid opportunities, including Chicago eProcurement, Cook County Procurement.
How should I verify a Chicago bid before responding?
Confirm the current solicitation, addenda, pre-bid meeting notes, bonding instructions, insurance requirements, and submission deadline directly in the issuing agency portal before preparing your response.
Where can I review statewide IL opportunities?
Use the IL construction bids page to review statewide opportunities and compare them with city and regional sources around Chicago.