Open Construction Tenders in Ottawa — 11 Live Today
Data updated July 25, 2026
This page tracks open Construction tenders in Ottawa — live opportunities from the city, its boards and agencies, and other public buyers in the area.
Each listing shows the buyer, the source portal, and the closing date. Counts update as our scrapers sweep each source throughout the day.
Latest open tenders
Teraanga Commons Walkin Refrigerator New Construction
Carleton University - Facilities Management
MERXCloses August 17, 2026IWSD/IS/DCMB CP001119 Programmed Culvert Replacement Package #5
City of Ottawa
MERXCloses August 11, 2026South Campus Watermain Replacement
National Research Council of Canada (NRC)
MERXCloses August 25, 2026SSC Data Centre Demolition
BGIS - PWGSC RP1
MERXCloses July 29, 2026CENT-2026-2 - Architectural Services - Former Century School Renovation & Addition
Ottawa Catholic School Board
Bids&TendersCloses August 5, 2026IWSD/IS/DCMB CP000860 Shadow Ridge Sanitary Sewer Rehabilitation
City of Ottawa
MERXCloses August 5, 2026TS/TFFM 875 Belfast Watermain replacement
City of Ottawa
MERXCloses August 5, 2026FCS / FS Full Maintenance Lease of Three Sidewalk Tractors and Attachments
City of Ottawa
MERXCloses July 30, 2026Campus Civil Works Contractor Prequalification Program RFSQ
Ottawa International Airport Authority
MERXCloses July 28, 2026PRC 26-19 - Progressive Design-Build NGMC Office Expansion and Renovation Progra
Municipality of North Grenville
MERXCloses August 10, 2026Open Construction Source List for Ottawa and Gatineau
Defence Construction Canada - National Capital Region
MERXCloses March 31, 2029
Closing within 7 days(3)
Campus Civil Works Contractor Prequalification Program RFSQ
Ottawa International Airport Authority
MERXCloses July 28, 2026SSC Data Centre Demolition
BGIS - PWGSC RP1
MERXCloses July 29, 2026FCS / FS Full Maintenance Lease of Three Sidewalk Tractors and Attachments
City of Ottawa
MERXCloses July 30, 2026
More Construction tenders in Ontario
EP916-270049 Emergency Storm Drainage System Reconstruction - Stage 2
Department of Public Works and Government Services (PSPC)
MERXCloses August 14, 2026RFT-2026-148 - Carling Heights Optimist Community Centre Roofing Replacement$
City of London
Bids&TendersCloses August 21, 2026Design and Construction Administration of Fire Station # 5
Township of Oro-Medonte
BiddingoCloses August 16, 2026LCBO Washroom & Breakroom Renovations – Package 5 -Five (5) LCBO Store Locations
BonfireCloses August 7, 2026EP916-270049 Emergency Storm Drainage System Reconstruction - Stage 2
Department of Public Works and Government Services (PSPC)
CanadaBuysCloses August 14, 2026
Most active buyers
- City of Ottawa4 open tenders
- Carleton University - Facilities Management1 open tenders
- Defence Construction Canada - National Capital Region1 open tenders
- Municipality of North Grenville1 open tenders
- National Research Council of Canada (NRC)1 open tenders
Other industries in Ottawa
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