Open Engineering & Architecture Tenders in Ontario — 111 Live Today
Data updated September 20, 2026
Ontario's municipalities are in a sustained capital-renewal cycle, and the design work comes to market first: consulting engineering for roads, water, and stormwater from buyers like the Region of Halton and the City of London, architectural services for schools and civic buildings, and geotechnical and environmental assessments ahead of construction.
Winning firms treat these as pipeline intelligence too — today's design mandate is next year's construction tender. Current open engineering and architecture mandates across the province are below.
Latest open tenders
Notice-2026-329 - Notice to Participate in Pre-Qualification 2026-313 - Consulting Engineering Services for the Infrastructure Renewal Program
City of London
Bids&TendersCloses December 31, 2028Professional Engineering Services for Replacement and Extension of Dust and Odour Control Systems at Multiple Transfer Stations
City of Toronto
MERXCloses October 20, 2026St. Joseph's General Hospital West Penthouse HVAC Upgrades
North Engineering Inc.
BiddingoCloses October 6, 2026RFRC-2610266 - Landscape Architectural Consulting Services
City of Richmond Hill
Bids&TendersCloses October 16, 2026PRE-NOTICE FOR AN OECM PROFESSIONAL CONSULTING ENGINEERING SERVICES REQUEST FOR SUPPLIER QUALIFICATION
Ontario Education Collaborative Marketplace (OECM)
BiddingoCloses October 1, 2026.1 The City’s Solid Waste Management Services Division (SWMS) seeks professional engineering services for the assessment, design, construction administration,…
Solid Waste Management Services
Toronto BidsCloses October 20, 2026PRE-NOTICE FOR AN OECM PROFESSIONAL CONSULTING ENGINEERING SERVICES RFSQ
OECM
MERXCloses October 1, 2026ES-26-43 - Geotechnical Investigations on Various Streets$
City of Burlington
Bids&TendersCloses October 5, 2026326008 - RFP for Engineering Services for the Replacement of Outdoor Sports Field Lighting at Multiple Baseball Fields
City of Timmins
Bids&TendersCloses October 8, 2026ENGINEERING CONSULTING SERVICES – RUNWAY 07-25 AND TAXIWAYS AT YQG
City of Windsor
BiddingoCloses October 8, 2026Professional Design Services for Birch Street Reconstruction
Town of Gananoque
BiddingoCloses October 7, 20262026-453T - SUBSURFACE UTILITY ENGINEERING (SUE) FOR VARIOUS STREETS UNDER 2026 STATE OF GOOD REPAIR PROGRAM
Region of Peel
Bids&TendersCloses October 1, 2026RFP-1106-2026 - Consulting Engineering Services for the preliminary and detailed design of the South Whitby Zone 1 Feedermain Phase 4 (SWFM4) on South Blair…
Region of Durham
Bids&TendersCloses October 14, 2026P11PJ26560 -G85-431-GEOTECHNICAL, GEO-ENVIRONMENTAL AND HYDROGEOLOGICAL TECHNICA
Toronto Transit Commission - PCM Capital
MERXCloses October 8, 2026Architectural and Engineering Design Services for Recreation Facility Projects
Corporation of the Township of Champlain
MERXCloses October 16, 2026
Closing within 7 days(33)
P11PI26482-G85-446-Roofing - Triennial Design Services
Toronto Transit Commission - PCM Capital
MERXCloses September 21, 2026R26-275 - Engineering Services for: Tecumseh Park Area Sewer Separation, Phases 3-4
Municipality of Chatham-Kent
Bids&TendersCloses September 21, 2026Parks Planning & Strategic Initiatives within the Parks & Recreation Division (P&R), in association with Purchasing and Materials Management Division (PMMD),…
Parks, Forestry & Recreation
Toronto BidsCloses September 22, 2026This Request for Tender (RFT) includes multiple State of Good Repair (SOGR) and capital construction projects at various City of Toronto facilities. The Work…
Corporate Real Estate Management
Toronto BidsCloses September 22, 2026This RFP is an invitation by the City of Toronto (the “City”) to prospective suppliers to submit Bids for Design Excellence in Modernization for full…
Parks, Forestry & Recreation
Toronto BidsCloses September 22, 2026
More tenders in Ontario
Request for Quotations for Occupational Therapy Services for the City of Toronto's Seniors Services and Long-Term Care Division
Seniors Services and Long-Term Care
Toronto BidsCloses October 16, 2026The City of Toronto invites qualified suppliers to submit quotations for the non-exclusive supply of all labour, materials and equipment necessary by an…
Toronto Paramedic Services
Toronto BidsCloses October 15, 2026W6369-22DE11_A - Professional Services Support Contract (PSSCIII)
Department of Public Works and Government Services (PSPC)
MERXCloses October 12, 2026B560 AHU/Class III Generator Construction Project
BonfireCloses September 21, 2026Simulated Battlefield Training Support Services RFP-54
Department of Public Works and Government Services (PSPC)
CanadaBuysCloses September 24, 2026
Most active buyers
- Region of Halton6 open tenders
- Department of Public Works and Government Services (PSPC)6 open tenders
- City of Toronto5 open tenders
- Region of Durham5 open tenders
- City of London4 open tenders
Engineering & Architecture tenders by city in Ontario
Other industries in Ontario
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