Skip to content

For SaleDetached · 1 1/2 StoreyMLS® #X13791532 · TRREB MLS®

42 Union St, St. Catharines, Ontario

Western Hill, St. Catharines, Ontario L2S 2R2

Bedrooms
3
Lot Size
38.48 x 155.24 ft
Bathrooms
1
Type
Detached
Basement
Partial Basement

$349,900

Estimated market value

About 42 Union St

42 Union St is a 3-bedroom, 1-bathroom detached house in Western Hill, St. Catharines, listed for sale at an asking price of $349,900 (MLS® X13791532).

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.

Insights

  • Condition Score

    Good
    73out of 100

    1 documented update signal

    Source: Listing age, structured features and disclosed update language; not an inspection.

  • Cashflow Quality

    Strong
    80out of 100

    +$363/mo against the cost of owning (20% down, 4.8%, 25 yrs)

    Source: Median of 7 homes with 3 bedrooms for lease in Western Hill right now. Cost of owning counts the mortgage and property tax.

Condition uses listing-record signals, not an inspection.

Key facts

Tax
$2,875 / 2025
MLS® number
X13791532
Board
TRREB MLS®
Property Type
Detached
Building Age
51-99
Days on market
Size
1100-1500 sqft
Lot Size
38.48 x 155.24 ft
Listed on
Parking
None, 2 Parking
Listing brokerage: THE CANADIAN HOME REALTY INC.Data source: TRREB MLS®Information deemed reliable but not guaranteed. Contained information is subject to errors, omissions, and changes without notice. Information should be independently verified.

Listing history

Buy/sell history for 42 Union St, St. Catharines, Ontario

Sale history on this site covers the last 2 years, the window permitted under the TRREB MLS® VOW agreement.

Date StartDate EndList PricePriceEventListing ID
Date StartN/AN/A$349,900N/AFor SaleX13791532

Members see the full history. Prices are hidden from signed-out visitors.

Estimate

Estimated value requires sign in

Market estimates use sold comparables and are available after you sign in and accept MLS® VOW terms.

The estimate is an automated value built from public and MLS® data. It is not an appraisal; ask Michelle Lacroix for a full comparative market analysis.

Property details

Property

Property Type
Detached
Style
1 1/2 Storey
Community
Western Hill
Municipality
St. Catharines

Building

Size
1100-1500 sqft
Building Age
51-99
Construction
Stone

Inside

Bedrooms
3
Bathrooms
1
Bathroom Details
1 × 4pc Main
Basement Type
Partial Basement
Kitchens
1

Parking

Driveway
Private
Garage Type
None
Additional Parking
2
Total Parking
2

Utilities

Water
Municipal
Cooling
Central Air
Heating Type
Forced Air

Land

Sewer
Sewers
Frontage
38.48 ft
Depth
155.24 ft
Lot Size
38.48 x 155.24 ft

Additional

Foundation
Concrete Block
Roof
Asphalt Shingle
Fireplace
No
Pool
None
Den
Yes
Family room
Yes

Rooms

RoomSizeFeaturesLevel
Kitchen3.66 × 3.17 m—Main
Living5.18 × 3.66 m—Main
Br3.66 × 2.13 m—2nd
Br3.66 × 3.66 m—2nd
Br3.35 × 2.44 m—Main

Map and tour

Detached homes for sale in Western Hill right now

For sale now
27
Median asking price
$448K

Middle half: $354K to $547K

New in 7 days
0

9 in 28 days

Price cuts
26%

7 listings

This home is asking 22% below the median, lower than three quarters of them.

See all homes in Western Hill

Asking prices and counts of the MLS® listings on this site as of today. Asking figures only, never sold or leased prices.

Land transfer tax on this home

Ontario land transfer tax
$3,724
Total land transfer tax
$3,724
First-time buyer rebates (Ontario up to $4,000)
−$3,724
Total for first-time buyers
$0
See how this is worked out
0.5% on the first $55,000
$275
1.0% from $55,000 to $250,000
$1,950
1.5% from $250,000 to $349,900
$1,499
Ontario total
$3,724

An estimate at the asking price, for a home with one or two single-family residences. Your lawyer confirms the exact amount.

Land and environment

Public records about this location. Not part of the MLS® listing and not provided by the listing brokerage.

13 records · 7 on fileRead 2026-11-07
250 m500 m1 km2 kmBeyond · area-wideNo mapped wetland within 120 mNo water-supply well recorded within 250 mOutside the Greenbelt, Oak Ridges Moraine and Niagara Escarpment plan areasNearest airport: 7.9 kmNearest rail line: 770 mA trail on the Ontario trail network within 1 kmNo licensed pit or quarry within 2 kmNo recorded oil, gas or salt well within 250 mNo facility within 1 km reports pollutant releases to Environment Canada1 federal contaminated site within 1 kmElectricity is distributed here by Alectra Utilities CorporationWired internet 50/10 Mbps or faster is listed at a household 30 m awayAcross the surrounding area: fibre to the home, cable, DSL internet listed
On record Checked, none on record

Water and conservation2

  • No mapped wetland within 120 m120 m
  • No water-supply well recorded within 250 m250 m

Province of Ontario open data

Planning and building activity2

  • Outside the Greenbelt, Oak Ridges Moraine and Niagara Escarpment plan areasAt the address
  • Nearest airport: 7.9 km7.9 km

Province of Ontario open data

Around the home2

  • Nearest rail line: 770 m770 m
  • A trail on the Ontario trail network within 1 km1 km

Province of Ontario open data

Environmental records4

  • No licensed pit or quarry within 2 km2 km
  • No recorded oil, gas or salt well within 250 m250 m
  • No facility within 1 km reports pollutant releases to Environment CanadaThe nearest is Con Cast Pipe Inc. — Hy-Grade Precast Concrete, 1.6 km away. Only facilities above the inventory’s reporting thresholds are listed.1 km
  • 1 federal contaminated site within 1 kmAll of them are closed. The federal inventory covers federal land only, not provincial or private sites.1 km

Province of Ontario open data · Government of Canada open data

Power and internet3

  • Electricity is distributed here by Alectra Utilities CorporationAt the address
  • Wired internet 50/10 Mbps or faster is listed at a household 30 m awayFixed wireless 50/10 Mbps or faster. LTE mobile coverage listed. ISED’s National Broadband Data at the nearest household point (30 m from the listing); 50/10 Mbps is its top category and includes faster plans. Confirm with a provider for this address.30 m
  • Across the surrounding area: fibre to the home, cable, DSL internet listedFibre to the home: Bell, Cogeco Connexion, Niagara Regional Broadband Network. Cable: Cogeco Connexion. DSL: Bell. Fixed wireless: Bell, Last Mile Wireless Internet, NWIC, Rogers, Xplore. Mobile: Bell, Freedom Mobile, Rogers, Telus. Satellite: Xplore. ISED’s list for the surrounding ~25 km² area; check with a provider for this address.Area-wide

Ontario Energy Board · Innovation, Science and Economic Development Canada

Each record is placed at the distance its own line states. None of it is an inspection of the property. Confirm anything that matters to you with the municipality, Niagara Peninsula Conservation Authorityor the record’s publisher.

Contains information licensed under the Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Ontario.

Schools nearby

ElementaryTypeDistanceEQAO average 2024–25
St Anthony Catholic Elementary SchoolNiagara CDSBCatholic · grades JK–8200 m80%Grade 6 average
Westdale Public SchoolDSB NiagaraPublic · grades JK–8300 m84%Grade 6 average
Edith Cavell Public SchoolDSB NiagaraPublic · grades JK–81.1 km76%Grade 6 average
ÉÉC Immaculée-ConceptionConseil scolaire catholique MonAvenirFrench-language Catholic · grades JK–82.9 km51%Grade 6 average
SecondaryTypeDistanceGrade 9 math 2024–25
DSBN AcademyDSB NiagaraPublic · grades 9–12300 m71%Grade 9 math
Denis Morris Catholic High SchoolNiagara CDSBCatholic · grades 9–121.8 km50%Grade 9 math
Sir Winston Churchill Secondary SchoolDSB NiagaraPublic · grades 9–12 · French Immersion2.3 km71%Grade 9 math
St Catharines Collegiate Institute and Vocational SchoolDSB NiagaraPublic · grades 9–123.1 km74%Grade 9 math

EQAO: share of students at or above the provincial standard, 2024–25 (Ontario open data). These are the schools nearest this home, not the schools it is assigned to: boundaries change, and some schools take students by application. Confirm with the board before you buy. Contains information licensed under the Open Government Licence – Ontario.

Transit nearby

StationLinesDistance
St. Catharines GOGO Transit train: Lakeshore West800 m

The nearest subway, light rail, train, bus rapid transit stations 5 km, as the crow flies. Source: GO Transit schedule data (GTFS) from Metrolinx under the Open Government Licence – Ontario – Metrolinx, downloaded October 18, 2026. Data used in this product or service is provided with the permission of Metrolinx. Metrolinx makes no representations or warranties of any kind, express or implied, with respect to the Data and assumes no responsibility for the accuracy or currency of the data used in this product or service. Contains information licensed under the Open Government Licence – Ontario – Metrolinx.

Lot

Lot area
5,974 sq ft555 m²
Street frontage
38.48 ft11.7 m
Depth
155.24 ft47.3 m
38.48 × 155.24 ftUNION ST

The area is the frontage multiplied by the depth, so boundaries are approximate. Confirm with a survey before you buy.

Source: the MLS® listing record, measured by GeoWarehouse.

Comparable sales

Comparable sales require sign in

Closing prices and sold comps are available to registered visitors who accept MLS® VOW terms on this site.

Mortgage Calculator

Plan with the current asking price

20% · $69,980

CMHC insurance: not required at 20% down. Payments use Canadian semi-annual compounding.

Mortgage Details

4.8% · 5-year term · 25-year amortization · 20% down

Total down payment
$69,980
Total mortgage amount
$279,920
Total interest payment
$199,180
Total purchase cost
$549,080
Mortgage payment
$1,597/mo

Cash Flow Analysis

If you rented this home out at 20% down

Break-even down payment

2%

Monthly carrying cost

$1,837
$363per month
  • Carrying cost $1,837
  • Surplus $363

Rental income opens at $2,200, the median asking rent of 7 comparable homes for lease in Western Hill. Type over it with the rent you expect. This is a planning tool, not advice.

Market area · filters apply to the charts below

Similar Active Listings

Recently sold nearby

Sold prices in Western Hill are shown to signed-in members.

Email Michelle Lacroix