Ontario tenders · Sanitary sewer
Open sanitary sewer tenders in Ontario
10 open sanitary sewer construction tenders in Ontario right now, scanned daily from the official procurement portals and tagged by trade.
Updated September 2, 2026.
Open now
10
New in last 30 days
9
Closing soonest
- Town of PrescottPrescott, OntarioCloses Sep 3, 2026via BiddingoSanitaryView on official portal →
- Town of RenfrewOntarioCloses Sep 4, 2026via MERXSanitaryStormView on official portal →
R030-2026 Sanitary Sewer Inflow and Infiltration (I/I) Assessment and Rehabilitation Strategy
7 days leftThe Corporation of the Municipality of Sioux LookoutSioux Lookout, OntarioCloses Sep 8, 2026via BiddingoSanitaryView on official portal →- City of TorontoOntarioCloses Sep 8, 2026via MERXPavingSanitaryView on official portal →
- City of TorontoOntarioCloses Sep 9, 2026via MERXSanitaryView on official portal →
RFP 5540340341 — Toronto Water
8 days leftCity of TorontoToronto, ONCloses Sep 9, 2026via City of TorontoSanitaryView on official portal →- City of TorontoToronto, ONCloses Sep 9, 2026via City of TorontoSanitaryView on official portal →
- Town of RenfrewRenfrew, OntarioCloses Sep 10, 2026via BiddingoSanitaryStormView on official portal →
RFT 5792093466 — Toronto Water
9 days leftCity of TorontoToronto, ONCloses Sep 10, 2026via City of TorontoTrenchingSanitaryView on official portal →- Corporation of the Town of PrescottOttawa, ONCloses Sep 11, 2026via OttawaSanitaryView on official portal →
Showing the 10 soonest-closing of 10 open sanitary sewer tenders. Start free to see them all, scored to your profile →
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Frequently asked questions
- Where do Ontario sanitary sewer 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 sanitary sewer. Each listing links to the official source.
- Is it free to see open sanitary sewer 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 sanitary sewer?
- Cornerstone reads each posting's scope from its title and description and tags the trades involved. This list is the Ontario tenders tagged sanitary sewer; 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.