Open Ottawa government construction tenders

71 open public construction tenders in and around Ottawa, Ontario, scanned daily from the major procurement portals and municipal sites.

Updated August 18, 2026.

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71

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Showing the 60 soonest-closing of 71 open tenders. Start free to see them all, scored to your profile →

These are the public listings.

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Frequently asked questions

How often is this list of Ottawa tenders updated?
Cornerstone scans public procurement sources daily and this page refreshes hourly, so the list reflects what's open in and around Ottawa right now. The "updated" date shows the most recent refresh.
Is it free to browse Ottawa government tenders here?
Yes — browsing is free and needs no account. A free Cornerstone account adds matching to your trade, geography, and bonding capacity, plus AI-drafted proposals, but the listings themselves are public.
Where do these Ottawa tenders come from?
Provincial and federal portals (the Ontario portal, MERX, CanadaBuys) plus municipal procurement sites. Each listing links to the official source posting, where you submit your bid. Tenders are matched to Ottawa by their stated location, so coverage tracks how each portal records it.

Listings aggregated from public procurement portals and matched to Ottawa by their stated location; each links to its official source. This page is general information, not procurement advice — always confirm requirements in the official tender documents.