
Top 10 Ontario Construction Projects This Week: Oct 20, 2026
Ontario construction opportunities · Week of October 20, 2026
This week's Ontario shortlist brings together 10 construction projects across 10 locations: 5 in Southern Ontario and 5 in Eastern/Northern Ontario. The project mix spans Heavy/Civil, General Building, Supply/Maintenance/Contracts, Individual Trades. These are selected highlights, not a complete market inventory or a ranking by contract value.
For general contractors, specialty contractors and suppliers, the useful question is not simply which project is biggest. It is which scope fits your capabilities, which location fits your service area, and which deadline leaves enough time to prepare a credible response. The summaries below help you make that first decision without losing sight of the dates.
Start with the deadline table, then read the relevant scope. Dates reflect the listings used to prepare this roundup and can change through addenda. Confirm the current deadline, submission method and any mandatory meeting directly in the project documents before committing estimating time.
This Week at a Glance
Southern Ontario
5 selected projects in this area. Compare the specific work below rather than assuming every listing is a fit for the same contractor.
DataBid ID 0056101926
MTO Highway 413 Progressive Design Build for Highways - Capital Contract
- Project class: Heavy/Civil
- Location: Central Region, ON
- Bids due: Apr 1, 2027
The Ontario Ministry of Transportation’s Highway 413 East project in Ontario’s Central Region uses a progressive design-build approach. The scope includes design, estimating, scheduling and contract preparation for Highway 413 East, the Highway 427 extension, major interchanges, and water and railway crossings.
DataBid ID 0012101326
WCDSB St David CSS Addition & Renovation
- Project class: General Building
- Location: Waterloo, ON
- Bids due: Nov 10, 2026
St David CSS in Waterloo, Ontario, is slated for an addition and renovation. The project is for the Waterloo Catholic District School Board.
DataBid ID 0033101626
Richmond Hill Trenchless Sewer Mainline Rehabilitation
- Project class: Heavy/Civil
- Location: Richmond Hill, ON
- Bids due: Nov 5, 2026
Richmond Hill, Ontario, is undertaking sewer mainline rehabilitation. The work will use trenchless methods.
DataBid ID 0011101426
HHS Chiller Maintenance Services
- Project class: Supply/Maintenance/Contracts
- Location: Hamilton, ON
- Bids due: Nov 13, 2026
Hamilton Health Sciences requires chiller maintenance services in Hamilton, Ontario. The scope includes comprehensive preventative maintenance and seasonal start-ups and shutdowns of chiller units.
DataBid ID 0013101426
Mohawk Medbuy Michael Garron Hospital Loading Dock Repairs
- Project class: Individual Trades
- Location: East York, ON
- Bids due: Nov 10, 2026
Michael Garron Hospital at 825 Coxwell Avenue in East York, Ontario, requires loading dock repairs. The construction scope includes prestressed beam repairs.
Eastern/Northern Ontario
5 selected projects in this area. Compare the specific work below rather than assuming every listing is a fit for the same contractor.
DataBid ID 0013101526
BGIS/PSPC Workplace Transformation & Lighting Energy Improvement - RH Coats Building
- Project class: General Building
- Location: Ottawa, ON
- Bids due: Nov 4, 2026
The RH Coats Building in Ottawa, Ontario, will undergo a furniture-based workplace transformation across nine floors using reused and new furniture. The general contractor’s scope includes installation of salvaged system furniture, coordination with other contractors, and overall health and safety responsibilities. Lighting work on floors 8, 10, 13, 14 and 21 includes fixture purchase and installation, a new ceiling grid, correction of some seismic deficiencies, and reconfiguration of existing 347V branch power wiring.
DataBid ID 0009102026
Greater Sudbury Minnow Lake Place HVAC Upgrades
- Project class: Individual Trades
- Location: Sudbury, ON
- Bids due: Nov 16, 2026
Minnow Lake Place in Sudbury, Ontario, is slated for HVAC upgrades. The project is for the City of Greater Sudbury.
DataBid ID 0009101426
Muskoka The Pines Memorial Garden Patio & Gazebo Project
- Project class: Heavy/Civil
- Location: Bracebridge, ON
- Bids due: Nov 16, 2026
The Pines Memorial Garden project in Bracebridge, Ontario, includes a garden, patio and gazebo. The project is for the District Municipality of Muskoka.
DataBid ID 0030101426
Queens University Architectural Services for Redesign Study for Ontario Hall
- Project class: Individual Trades
- Location: Kingston, ON
- Bids due: Nov 12, 2026
Queen’s University requires architectural services for a redesign study of Ontario Hall in Kingston, Ontario, a designated heritage building of approximately 5,156 square metres across five floors. The study includes an as-built survey and updated floor plans, with goals to create five learning environments, improve accessibility and address building condition deficiencies. Proposed spaces include AR/VR immersive learning, maker spaces, high-tech classrooms, a teaching and learning event venue, and informal study zones with a café.
DataBid ID 0037101626
Peterborough Various City Facilities Sprinkler & Standpipe Systems Inspection & Testing
- Project class: Supply/Maintenance/Contracts
- Location: Peterborough, ON
- Bids due: Nov 5, 2026
The City of Peterborough requires sprinkler and standpipe system inspection and testing at various municipal facilities in Peterborough, Ontario. The services are being procured through a vendor-of-record arrangement.
Key Takeaways
- Geographic spread: 10 projects across 10 locations, organized into 2 area sections.
- Scope mix: Heavy/Civil, General Building, Supply/Maintenance/Contracts, Individual Trades. Match the individual work description to your specialties; the project class alone does not establish which packages are available.
- First deadline to review: BGIS/PSPC Workplace Transformation & Lighting Energy Improvement - RH Coats Building in Ottawa, with bids due Nov 4, 2026.
- Use the shortlist as a starting point: Confirm documents, qualifications, addenda and submission requirements before deciding to bid.
Turn the Shortlist into a Bid Decision
- Screen the scope and location. Read the summary against your crew capacity, equipment, material lines and normal travel area. A broad renovation may involve several specialties, while a focused maintenance package may fit a more specialized team. Neither the title nor this roundup substitutes for the scope in the tender documents.
- Check the requirements before pricing. Review the current documents for eligibility, bonding, insurance, mandatory attendance and submission instructions. Do not infer that a requirement is absent because it is not listed here. Flag anything that could prevent a compliant submission before spending time on quantities or supplier quotes.
- Work backward from the deadline. Allow time to obtain documents, review specifications, resolve questions through the stated process, gather quotes and complete the submission. When several suitable projects close together, prioritize the opportunities your team can evaluate thoroughly rather than stretching the estimating schedule across every listing.
- Keep watching after the first review. Addenda can affect quantities, products, sequencing and due dates. Recheck the current listing and official documents before submitting. After the bid, published results can help you understand the outcome and decide which similar opportunities deserve attention next.
Frequently Asked Questions
How are these Ontario construction projects selected?
The weekly shortlist starts with projects added during the previous week and aims for a mix of towns and project classes across the two area groups. Automatic selection excludes templates and closed projects, avoids previously featured automatic picks, and favors deadlines at least ten days away. Editors can adjust the final lineup, so a manually selected project can have a shorter deadline. This is an editorial shortlist, not a list of the most-viewed or highest-value contracts.
Are these the only construction opportunities in Ontario?
No. A weekly roundup is deliberately selective. DataBid is a construction information service, not a bidding platform or a middleman. Members can search projects within their subscribed coverage, narrow the results by keywords and filters, and review the full listings for opportunities that fit their business. A project outside this shortlist may be a better fit for a particular specialty or service area.
Where can I find the full project details?
Use the DataBid ID shown on each project to find its listing in your subscribed coverage. Full listings provide the available scope, due dates, pre-bid information and key players, with plan-holder information and bid results where available and included in your subscription. The public roundup does not reproduce contact details, bidder names or bid amounts.
Does a listed due date guarantee the project is still open?
No. The dates summarize the listings at preparation time. Owners can issue addenda, extend deadlines or change requirements. Check the current listing and the owner's official tender documents for the controlling instructions. This article is a discovery aid, not a substitute for the documents used to prepare and submit a bid.
Find the Work That Fits Your Business
A useful project feed goes beyond a weekly top-ten list. It helps you find suitable work in the locations you serve, keep track of changes and make deliberate bid decisions. Use this roundup to identify possibilities, then qualify each one against your team's capacity and the actual tender requirements.
To discuss coverage for your business and the regions you want to follow, Book a call with us.
Source: DataBid project listings identified above. Project summaries and deadlines are a snapshot prepared for this week's roundup. Featured imagery is illustrative, not a photograph of a named project.
Jim Lamelza
Founder & CEO
