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General Construction tenders in Ontario, Canada

29 open general construction tenders in Ontario, Canada right now, closing between 2026-08-31 and 2029-07-20. Live from official government procurement feeds, updated every morning. Browse free — or get only your matches emailed daily for £9/mo.

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All trades in OntarioGeneral Construction across CanadaAll General Construction
ClosesTenderBuyerRegionValue
2026-08-31🇨🇦APN - NORAD Northern Basing Infrastructure (NNBI), Nunavut
General Construction
Defence Construction Canada - National Capital RegionOntario
2026-09-05🇨🇦APN_Accommodations Buildings, Modified Design Build (MDB), CFB Trenton
General Construction
Defence Construction Canada - Ontario RegionOntario
2026-09-10🇨🇦Step 2 for 2 Service Battalion HQ Administration Company Building
General Construction
Defence Construction Canada / Construction de Défense CanadaOntario
2026-09-14🇨🇦MDB - Camp Sustain Theatre Support Coordination Centre (CS TSCC)
General Construction
Defence Construction Canada / Construction de Défense CanadaOntario
2026-09-15🇨🇦M209 Dorm Recap, Borden, Ontario
General Construction
Defence Construction Canada - Ontario RegionOntario
2026-09-17🇨🇦Housing Construction Program MDB CFHA RPCIP Yellowknife
General Construction
Defence Construction Canada / Construction de Défense CanadaOntario
2026-09-21🇨🇦Basic Military Qualifications Facilities at CFB Borden
General Construction
Defence Construction Canada / Construction de Défense CanadaOntario
2026-09-28🇨🇦Construction Management Services for System Renewal Program
General Construction
Defence Construction Canada / Construction de Défense CanadaOntario
2026-09-29🇨🇦APN_ONTARIO ARMOURIES SITE ENHANCEMENT PROGRAM VARIOUS ONTARIO LOCATIONS
General Construction
Defence Construction Canada - Ontario RegionOntario
2026-09-30🇨🇦APN - NORAD Northern Basing Infrastructure (NNBI), NWT
General Construction
Defence Construction Canada - National Capital RegionOntario
2026-10-05🇨🇦MDB - New CAT II Accommodations Buildings
General Construction
Defence Construction Canada / Construction de Défense CanadaOntario
2026-10-12🇨🇦CONSTRUCTION MANAGEMENT SERVICES, WHITEHORSE CADET TRAINING CENTRE WHITEHORSE
General Construction
Defence Construction Canada - National Capital RegionOntario
2026-10-15🇨🇦APN - Housing Construction Plan
General Construction
Defence Construction Canada - National Capital RegionOntario
2026-10-15🇨🇦Housing Construction Program MDB CFHA RPCIP Bagotville, Montreal & Valcartier
General Construction
Defence Construction Canada / Construction de Défense CanadaOntario
2026-10-15🇨🇦Housing Construction Program MDB CFHA RPCIP Gagetown, Greenwood & Halifax
General Construction
Defence Construction Canada / Construction de Défense CanadaOntario
2026-11-04🇨🇦APN - SUPPLY AND INSTALL ELECTRONIC SECURITY SYSTEMS
General Construction
Defence Construction Canada / Construction de Défense CanadaOntario
2029-03-31🇨🇦Open Construction Source List for Ottawa and Gatineau
General Construction
Defence Construction Canada - National Capital RegionOntario
2029-03-31🇨🇦Open Construction Source List for Nunavut
General Construction
Defence Construction Canada - National Capital RegionOntario
2029-03-31🇨🇦Open Construction Source List for Northern Canada
General Construction
Defence Construction Canada - National Capital RegionOntario
2029-03-31🇨🇦Open Construction Source List for CFB Petawawa
General Construction
Defence Construction Canada - Ontario RegionOntario
2029-03-31🇨🇦Open Construction Source List for 8 Wing Trenton
General Construction
Defence Construction Canada - Ontario RegionOntario
2029-03-31🇨🇦Open Construction Source List for 22 Wing North Bay
General Construction
Defence Construction Canada - Ontario RegionOntario
2029-03-31🇨🇦Open Construction Source List for CFB Kingston
General Construction
Defence Construction Canada - Ontario RegionOntario
2029-03-31🇨🇦Open Construction Source List for CFB Borden
General Construction
Defence Construction Canada - Ontario RegionOntario
2029-03-31🇨🇦Open Construction Source List for ASU Toronto
General Construction
Defence Construction Canada - Ontario RegionOntario
2029-03-31🇨🇦APN - RP OPS and CFHA Base Program , Nunavut
General Construction
Defence Construction Canada - National Capital RegionOntario
2029-03-31🇨🇦APN - RP OPS and CFHA Base Program - NCR
General Construction
Defence Construction Canada - National Capital RegionOntario
2029-03-31🇨🇦APN - RP OPS and CFHA Base Program, Northern Canada
General Construction
Defence Construction Canada - National Capital RegionOntario
2029-07-20🇨🇦General Construction QRT Source List
General Construction
Defence Construction Canada - Ontario RegionOntario

FAQ

How many general construction tenders are open in Ontario, Canada?
There are 29 open right now, updated every morning from official government procurement feeds.
How often is this list updated?
Daily. We rebuild from the UK Find a Tender, CanadaBuys and EU TED open-data feeds each morning.
How do I get alerted to new general construction tenders?
Tender Hunters Pro emails you every new matching tender the morning it's published — filtered to your trade and region — for £9/mo, a fraction of what the big tender portals charge.
Is the data official?
Yes — every notice links straight to the source government portal. Always confirm details there before bidding.

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Data: UK Find a Tender · CanadaBuys · EU TED · NZ GETS · AusTender — official open procurement data. Updated 27 Aug 2026 12:01 UTC. Always verify details on the source notice before bidding.