




31 King Street, St. Catharines, ON
L2R 3H1
Listed September 4, 2026
About this property
31 King Street offers an opportunity to acquire a vacant, freestanding former BMO bank in the heart of DowntownSt. Catharines. The asset offers a versatile three-part configuration, including a 5,057-square-foot main floor with a vault, a 941-square-foot mezzanine, and a 5,000-square-foot, elevator-connected finished basement. High ceilings, expansive display windows, and semi-renovated interiors support a wide range of conversion possibilities, from medical and boutique offices to retail with storage, showrooms, or broader adaptive reuse concepts. On-site parking, exceptional visibility at a signalized intersection, and immediate transit access strengthen long-term value. This is an opportunity to reposition a signature downtown building into a modern, high-performing commercial asset. 31 King Street's location enhances its versatility, supported by robust infrastructure, transportation access, and anactive urban setting. Situated within walking distance of the GO Train station, the property serves a growing demographic as younger families continue moving into the area. Its position is near the Niagara Region, and close access to Highway 406 and the QEW strengthens regional connectivity. The area is enriched by cafés, breweries, boutiques, and service-oriented retailers that fuel strong foot traffic. With more than 180,000 residents living within a 10-kilometre radius and annual consumer spending exceeding CA$6 billion, this corridor stands at the heart of a powerful and diverse market. Downtown St. Catharines continues to evolve into a vibrant, mixed-use district, and 31 King Street stands at the heart of that momentum. The surrounding neighborhood features major office users, including Accenture, Grant Thornton, Bell, WSP, City Hall, and a collection of boutique professional firms, which creates a steady daytime population. 31 King Street offers investors the chance to shape a flexible, future-forward commercial destination within a a thriving downtown area.
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Taxes & Financials
Cost of Ownership Calculator
What it could cost each month to own 31 King Street — mortgage, property taxes, fees, insurance, utilities and upkeep. Change any number to match your situation.
Your mortgage
$598,000 · Minimum $598,000
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One-time costs
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Estimated monthly cost of ownership
$16,023/mo
About $192,276 a year
- $13,226
- $2,797
Cash needed to close
- Down payment (20%)
- $598,000
- Ontario land transfer tax
- $61,225
- Legal fees, title insurance & inspectionEstimate
- $2,500
- Total
- $661,725
Estimates only — not a mortgage approval, quote or tax advice. Payments assume a fixed rate compounded semi-annually; minimum down payments, mortgage insurance and land transfer tax follow current CMHC and Ontario rules. Insurance, utilities and upkeep are typical figures for the area. Your lender, lawyer and insurer will confirm your exact costs.
Location & Walkability
31 King Street, St. Catharines, ON
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Last Updated: September 4, 2026
Listing Office: ROYAL LEPAGE REAL ESTATE SERVICES LTD.
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