Ontario tenders · General contracting
Open general contracting tenders in Ontario
10 open general contracting construction tenders in Ontario right now, scanned daily from the official procurement portals and tagged by trade.
Updated July 25, 2026.
Open now
10
New in last 30 days
8
Closing soonest
- Municipality of North GrenvilleOttawa, ONCloses Jul 27, 2026via MERXGeneral ContractorView on official portal →
- Township of Admaston/BromleyOntarioCloses Jul 31, 2026via MERXGeneral ContractorView on official portal →
- SourcewellStaples, OntarioCloses Aug 11, 2026via BiddingoGeneral ContractorView on official portal →
Spa Room Renovation for Long-term Care Home
18 days leftYee Hong Centre for Geriatric CareScarborough, OntarioCloses Aug 11, 2026via BiddingoGeneral ContractorView on official portal →- City of OttawaOttawa, ONCloses Aug 12, 2026via OttawaGeneral ContractorView on official portal →
- Waypoint Centre for Mental Health CareOntarioCloses Aug 12, 2026via MERXGeneral ContractorView on official portal →
- Colliers Project Leaders Inc.Northwest, ONCloses Aug 12, 2026via MERXGeneral ContractorView on official portal →
- Toronto, ONCloses Aug 13, 2026via City of TorontoGeneral ContractorView on official portal →
- Toronto, ONCloses Aug 14, 2026via City of TorontoCivilPavingConcreteStormMechanicalView on official portal →
General Contractor Services QRT Source List
724 days leftDefence Construction Canada - Ontario RegionKingston-Pembroke, ONCloses Jul 17, 2028via OntarioProcurementGeneral ContractorView on official portal →
Showing the 10 soonest-closing of 10 open general contracting tenders. Start free to see them all, scored to your profile →
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Frequently asked questions
- Where do Ontario general contracting tenders come from?
- Public procurement portals — CanadaBuys, MERX, Biddingo, the Alberta Purchasing Connection, SaskTenders, and municipal sites (BC tenders arrive via MERX and Biddingo). Cornerstone tags each posting by trade, so this page shows the Ontario work tagged general contracting. Each listing links to the official source.
- Is it free to see open general contracting tenders in Ontario?
- Yes — browsing is free and needs no account. A free Cornerstone account scores these tenders to your trade, geography, and bonding capacity, and drafts a compliance-aware proposal for the ones you pursue.
- How is a tender classified as general contracting?
- Cornerstone reads each posting's scope from its title and description and tags the trades involved. This list is the Ontario tenders tagged general contracting; many tenders span several trades, so always confirm the full scope in the official documents.
Listings aggregated from public procurement portals; each links to its official source. Trade tags are Cornerstone’s classification of each posting’s scope — always confirm the full scope in the official tender documents. General information, not procurement advice.