42 Union Street, St. Catharines, ON L2S 2R2
St. Catharines
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 an approved triplex permit already in hand, avoiding months of planning delays and significant soft costs. Plans are completed for approximately 3,900-4,000 sqft of total build, designed as three self-contained residential units featuring efficient layouts, multiple washrooms, and modern exterior elevations tailored for strong rental appeal. Ideal for investors seeking long-term hold cash flow, a BRRRR strategy, or builders looking for a ready-to-go project with approvals secured and equally attractive for a buyer looking to live in one unit and rent the other two for supplemental income. Situated in a desirable neighbourhood close to schools, Montessori and childcare centres, parks, public transit, shopping, and everyday amenities, with convenient access to downtown St. Catharines, Brock University, the Pen Centre, and major routes. A turnkey multi-unit opportunity in a growing rental market.
Estimate only - excludes property tax, condo fees, utilities and home insurance. Rates vary by lender and term; based on semi-annual compounding.
Walkability, transit, and bike-friendliness for 42 Union Street, St. Catharines, ON L2S 2R2
Provided by Walk Score®. Walk Score, Transit Score, and Bike Score are trademarks of Walk Score.
MLS# X13150216
Listed by THE CANADIAN HOME REALTY INC.
On market since May 20, 2026






What comparable homes actually sold for in the last 12 months.






42 Union Street, St. Catharines, ON L2S 2R2 is listed for $479,900 CAD.
42 Union Street, St. Catharines, ON L2S 2R2 has 3 bedrooms and 1 bathroom.
42 Union Street, St. Catharines, ON L2S 2R2 is a Detached.
42 Union Street, St. Catharines, ON L2S 2R2 is in St. Catharines, Ontario.
42 Union Street, St. Catharines, ON L2S 2R2 is currently for sale.
Contact Michael Mezheritsky at +1 (416) 716-4439 to arrange a private showing of 42 Union Street, St. Catharines, ON L2S 2R2 (MLS# X13150216). You can also send a message through the contact form on this site.