Approved shovel-ready triplex development opportunity in St. Catharines! Calling all investors, builders, and savvy buyers. This is a rare opportunity to begin construction immediately with an approved triplex building permit already in hand, avoiding months of planning delays and significant soft costs. Completed plans provide for approximately 3,900-4,000 sq. ft. of total build, designed as three self-contained residential units featuring efficient layouts, multiple washrooms, and modern exterior elevations with strong rental appeal. Ideal for investors seeking long-term cash flow, a BRRRR strategy, builders looking for a ready-to-go project with approvals secured, or an owner-occupier looking to live in one unit while renting 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 development opportunity in a growing rental market.
For sale
C$399,900
42 Union St, Saint Catharines, ON L2S 2R2
3beds
1baths
Single Family Residence
Built in ----
5,973 Square Feet Lot
$-- Zestimate®
C$--/sqft
C$-- HOA
What's special
Efficient layoutsMultiple washroomsModern exterior elevations
- 30 days
- 53
- 1
Zillow last checked:
Listing updated:
Listed by:
THE CANADIAN HOME REALTY INC.
Source: TRREB,MLS®#: X13617802
Originating MLS®#: Toronto Regional Real Estate Board
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 1
Bedroom
- Level: Second
- Dimensions: 2.13 x 3.66
Bedroom
- Level: Second
- Dimensions: 3.66 x 3.66
Bedroom
- Level: Main
- Dimensions: 2.44 x 3.35
Kitchen
- Level: Main
- Dimensions: 3.17 x 3.66
Living room
- Level: Main
- Dimensions: 3.66 x 5.18
Heating
- Forced Air, Gas
Cooling
- Central Air
Features
- Other
- Basement: Partial,Unfinished
- Has fireplace: Yes
Interior area
- Living area range: 1100-1500 null
Property
Parking
- Total spaces: 2
- Parking features: Private
Features
- Stories: 1.5
- Pool features: None
Lot
- Size: 5,973 Square Feet
- Features: Park, Public Transit
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Stone, Stucco (Plaster)
- Foundation: Concrete Block
- Roof: Asphalt Shingle
Utilities & green energy
- Sewer: Sewer
Community & HOA
Location
- Region: Saint Catharines
Financial & listing details
- Annual tax amount: C$2,875
- Date on market: 7/29/2026
Price history
Price history is unavailable.
Public tax history
Tax history is unavailable.





