Open Construction Tenders in Ottawa — 10 Live Today

Data updated August 17, 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

  • M50 Building - Canadian Photonics Fabrication Centre (CPFC) and Quantum and Nanotechnology (QN) Semiconductor Facility Project - Construction Management…

    National Research Council of Canada (NRC)

    MERXCloses September 23, 2026
  • King STreet East / Highway 2 Forcemain Upgrades Project

    Corporation of the Town of Prescott

    MERXCloses September 3, 2026
  • IWSD/IS/DCFB CF001832 911 Industrial Avenue Watermain Replacement

    City of Ottawa

    MERXCloses September 2, 2026
  • IWS/IS/DCFB CF002584 Fire Station 94 Interior Renovation

    City of Ottawa

    MERXCloses August 27, 2026
  • J70668- EOC- RFPQ#67 - EOC Perimeter, Security & Specialty Fence Construction

    EllisDon Corporation

    MERXCloses August 27, 2026
  • IWSD/IS/DCFB CF002578 2 Pretty Street Demolition

    City of Ottawa

    MERXCloses August 25, 2026
  • NCD CONSTRUCTION PHOTO & DIGITAL DOCUMENTATION

    The Ottawa Hospital

    MERXCloses August 27, 2026
  • Teraanga Commons Walkin Refrigerator New Construction

    Carleton University - Facilities Management

    MERXCloses August 17, 2026
  • South Campus Watermain Replacement

    National Research Council of Canada (NRC)

    MERXCloses August 25, 2026
  • Open Construction Source List for Ottawa and Gatineau

    Defence Construction Canada - National Capital Region

    MERXCloses March 31, 2029

Closing within 7 days(0)

No tenders close in the next 7 days.

More Construction tenders in Ontario

  • T2026-S-1 - Precast Concrete Products - Materials Management Supplier Alliance

    London Hydro

    Bids&TendersCloses August 28, 2026
  • 197-R-26 - Consulting Services for Park Development Guidelines, Details and Specifications$

    City of Markham

    Bids&TendersCloses September 11, 2026
  • Town of Blind River - Youngfox Sidewalk Project

    Town of Blind River

    MERXCloses August 28, 2026
  • High Class Bituminous Resurfacing Mulock Road

    Municipality of West Grey

    BiddingoCloses August 27, 2026
  • R26-239 - Engineering Services for: Dufferin Ave Watermain Replacement, Community of Chatham Township

    Municipality of Chatham-Kent

    Bids&TendersCloses September 2, 2026
View all Construction tenders in Ontario (326)

Most active buyers

  • City of Ottawa3 open tenders
  • National Research Council of Canada (NRC)2 open tenders
  • Carleton University - Facilities Management1 open tenders
  • EllisDon Corporation1 open tenders
  • The Ottawa Hospital1 open tenders

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