42 Union Street, St. Catharines, ON
L2S 2R2
Listed September 16, 2026
Virtual Tour
About this property
Approved shovel-ready triplex development opportunity in St. Catharines! Calling all investors,builders, and savvy buyers. This is a rare chance to begin construction immediately with anapproved triplex permit already in hand, avoiding months of planning delays and significantsoft costs. Plans are completed for approximately 3,900-4,000 sqft of total build, designed asthree self-contained residential units featuring efficient layouts, multiple washrooms, andmodern exterior elevations tailored for strong rental appeal. Ideal for investors seekinglong-term hold cash flow, a BRRRR strategy, or builders looking for a ready-to-go project withapprovals secured and equally attractive for a buyer looking to live in one unit and rent theother two for supplemental income. Situated in a desirable neighbourhood close to schools,Montessori and childcare centres, parks, public transit, shopping, and everyday amenities, withconvenient access to downtown St. Catharines, Brock University, the Pen Centre, and majorroutes. A turnkey multi-unit opportunity in a growing rental market.
Features
Property Details
Listing
Property
Location
Taxes & Financials
Cost of Ownership Calculator
What it could cost each month to own 42 Union Street — mortgage, property taxes, fees, insurance, utilities and upkeep. Change any number to match your situation.
Your mortgage
$69,980 · Minimum $17,495
Use the rate your lender or broker quotes you.
Monthly costs
From the listing (2025 tax bill).
Leave at $0 if there isn't one.
Typical for this kind of home.
Hydro, heating, water and sewer.
About 1% of the price a year, set aside.
One-time costs
A typical estimate — your lawyer will confirm.
Estimated monthly cost of ownership
$2,535/mo
About $30,420 a year
- $1,548
- $240
- Home insurance$125
- Utilities$330
- Maintenance & repairs$292
Cash needed to close
- Down payment (20%)
- $69,980
- Ontario land transfer tax
- $3,724
- Legal fees, title insurance & inspectionEstimate
- $2,500
- Total
- $76,204
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
42 Union Street, St. Catharines, ON
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Last Updated: September 16, 2026
Listing Office: THE CANADIAN HOME REALTY INC.
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