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Houses for Sale in 451 - Downtown St. Catharines

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Uncover the perfect place to call home in 451 - Downtown, St. Catharines with Square Yards Canada. Refine your search by filtering properties based on age, price trends, and other criteria to find your best pick. Choose from a wide range of properties across 451 - Downtown, St. Catharines real estate, offering various square footage options for all needs. Explore a detailed brochure of all houses for sale in 451 - Downtown, and pick from a range of popular amenities like swimming pools, parking facilities, gyms and more. With over 80 properties on offer, find various residential and commercial properties across 451 - Downtown, St. Catharines. Navigate through MLS listings to know the top pick across 451 - Downtown, St. Catharines.


Last Updated: September 26, 2026
  • New Listings
  • Price(Lo-Hi)
  • Price(Hi-Lo)
  • Bedrooms(Hi-Lo)
  • Bathrooms(Hi-Lo)
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39 Photos
Last Updated : 1 Day ago
193 ONTARIO Street, Niagara, ON , MLS #X13643842 , Image - 1
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193 ONTARIO Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13643842

Residential Freehold (Detached)

$699900.0
  • 3 +0 Beds
  • 2 Baths
  • 1500-2000 sq-ft
Versatility at Its Best.A Rare Residential + Business Opportunity in One of St. Catharines' Most Strategic Locations. Welcome to 193 Ontario Street, a
19 Photos
Last Updated : 2 Days ago
43 DACOTAH Street, Niagara, ON , MLS #X13558662 , Image - 1

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43 DACOTAH Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13558662

Residential Freehold (Duplex)

$489900.0
  • 2 +1 Beds
  • 2 Baths
  • 1100-1500 sq-ft
Attention Investors, Turn Key Property Located In The Heart Of St. Catharines. Main Floor Unit Features 2 Bedrooms, 1 Washroom With Spacious Living Ro
39 Photos
Last Updated : 2 Days ago
141 York Street, Niagara, ON , MLS #X13601234 , Image - 1

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141 York Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13601234

Residential Freehold (Detached)

$567900.0
price drop iconPrice drop by 5.0%
  • 4 Beds
  • 2 Baths
  • 2000-2500 sq-ft
BIG,BIG HOUSE !!OVER 2100SQ FT OF SPACIOUS LIVING , 5 ROOMS ON MAIN FLOOR(1 CAN BE BEDROOM)PLUS UPDATED KITCHEN.3 BEDROOMS 2ND FLOOR WITH OFFICE
Open House : Sat Sep 26, 12:00 PM to 02:00 PM
47 Photos
Last Updated : 2 Days ago
218 LAKE Street, Niagara, ON , MLS #X13713676 , Image - 1

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218 LAKE Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13713676

Residential Freehold (Detached)

$450000.0
  • 2 +0 Beds
  • 2 Baths
  • 700-1100 sq-ft
Charming 2 bed, 2 bath home the heart of St Catharines. Plenty of space on the main floor with a large gourmet kitchen complete with quartz countertop
34 Photos
Last Updated : 2 Days ago
168 Carlton Street, Niagara, ON , MLS #X13155838 , Image - 1

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168 Carlton Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13155838

Residential Freehold (Detached)

$599900.0
price drop iconPrice drop by 7.7%
  • 2 +1 Beds
  • 2 Baths
  • 1100-1500 sq-ft
Step inside and everything just... works. Mornings start with sunlight pouring through vaulted ceilings, coffee in hand, and a home that feels effortl
15 Photos
Last Updated : 2 Days ago
9 Woodland Avenue, Niagara, ON , MLS #X13772576 , Image - 1

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9 Woodland Avenue 451 - Downtown, St. Catharines, Niagara, ON MLS® X13772576

Residential Freehold (Detached)

$394900.0
price drop iconPrice drop by 7.9%
  • 3 Beds
  • 2 Baths
  • 700-1100 sq-ft
Newly listed at 9 Woodland Avenue, this versatile Downtown St. Catharines property offers an exciting opportunity for investors, builders, or buyers s
39 Photos
Last Updated : 2 Days ago
78 Henry Street, Niagara, ON , MLS #X13813996 , Image - 1

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78 Henry Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13813996

Residential Freehold (Detached)

$499900.0
  • 3 Beds
  • 1 Baths
  • 1100-1500 sq-ft
78 Henry St. is a charming and beautifully updated 3-bedroom, TWO STOREY character home. The inviting, covered front porch is perfect for morning coff
Open House : Sun Sep 27, 12:00 PM to 02:00 PM
27 Photos
Last Updated : 2 Days ago
134 1/2 York Street, Niagara, ON , MLS #X13821064 , Image - 1

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134 1/2 York Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13821064

Residential Freehold (Detached)

$379900.0
  • 2 +0 Beds
  • 1 Baths
  • 700-1100 sq-ft
Attention first-time buyers and empty nesters - this charming bungalow could be the perfect place to call home! Step through the front door into a spa
26 Photos
Last Updated : 3 Days ago
148 Geneva Street, Niagara, ON , MLS #X13811482 , Image - 1

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148 Geneva Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13811482

Residential Freehold (Duplex)

$749900.0
price drop iconPrice drop by 11.7%
  • 5 Beds
  • 4 Baths
  • 3000-3500 sq-ft
1870 HERITAGE HOME in St. Catharines! Beyond its heritage appeal, the property is zoned R3, offering a wide variety of potential uses subject to buye
22 Photos
Last Updated : 3 Days ago
102 Beech Street, Niagara, ON , MLS #X13789562 , Image - 1

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102 Beech Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13789562

Residential Freehold (Detached)

$429999.0
  • 3 Beds
  • 2 Baths
  • 700-1100 sq-ft
This is the One! An excellent opportunity to own an extensively updated 3-bedroom detached bungalow on a quiet street in an established St. Catharines
Open House : Sat Sep 26, 01:00 PM to 03:00 PM
23 Photos
Last Updated : 3 Days ago
172 Lake Street, Niagara, ON , MLS #X13794704 , Image - 1

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172 Lake Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13794704

Residential Freehold (Detached)

$539000.0
  • 2 Beds
  • 2 Baths
  • 700-1100 sq-ft
Look no further! This beautiful home is perfect for first-time buyers or if you are looking to downsize. Renovated throughout, this home has great cur
43 Photos
Last Updated : 3 Days ago
74 Wiley Street, Niagara, ON , MLS #X13817118 , Image - 1

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74 Wiley Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13817118

Residential Freehold (Detached)

$485000.0
  • 5 +2 Beds
  • 3 Baths
  • 1500-2000 sq-ft
This solid brick detached home has 7 bedrooms, 3 full bathrooms, and is located in the charming Fitzgerald neighbourhood just North of downtown St.Cat
34 Photos
Last Updated : 3 Days ago
43 York Street, Niagara, ON , MLS #X13721904 , Image - 1

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43 York Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13721904

Residential Freehold (Duplex)

$398500.0
price drop iconPrice drop by 6.2%
  • 4 +2 Beds
  • 5 Baths
  • 1500-2000 sq-ft
LEGAL DUPLEX - VACANT UPPER UNIT - EXCELLENT INVESTMENT OPPORTUNITY. Excellent opportunity to own a legal duplex in an established St. Catharines neig
31 Photos
Last Updated : 3 Days ago
17 Gerrard Street, Niagara, ON , MLS #X13812600 , Image - 1

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17 Gerrard Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13812600

Residential Freehold (Detached)

$549900.0
  • 2 Beds
  • 2 Baths
  • 1100-1500 sq-ft
Welcome to this charming double-brick home ideally located just minutes from the downtown core and beautiful Montebello Park. Set on a large downtown
Open House : Sun Sep 27, 01:00 PM to 03:00 PM
40 Photos
Last Updated : 4 Days ago
7 Gale Crescent, Niagara, ON , MLS #X13613904 , Image - 1

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Unit-B3, 7 Gale Crescent 451 - Downtown, St. Catharines, Niagara, ON MLS® X13613904

Residential Condo & Other (Condo Apartment)

$284900.0
price drop iconPrice drop by 4.7%
  • 2 Beds
  • 2 Baths
  • 1000-1199 sq-ft
Welcome to Unit B3 at 7 Gale Crescent, a rare opportunity to own nearly 1,200 sq ft of single-level living in downtown St. Catharines! This spacious 2
47 Photos
Last Updated : 4 Days ago
45 Rodman Street, Niagara, ON , MLS #X13765644 , Image - 1

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45 Rodman Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13765644

Residential Freehold (Detached)

$679900.0
price drop iconPrice drop by 2.9%
  • 3 Beds
  • 3 Baths
  • 1100-1500 sq-ft
Absolutely charming 2 storey home with over 100 years of history. From the moment you step on the front porch and enter the home you have that feeling
49 Photos
Last Updated : 4 Days ago
141 Church Street, Niagara, ON , MLS #X13541788 , Image - 1

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Unit-201, 141 Church Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13541788

Residential Condo & Other (Condo Apartment)

$310000.0
price drop iconPrice drop by 7.5%
  • 2 Beds
  • 2 Baths
  • 1200-1399 sq-ft
Almost everything is included in one monthly condo fee: heat, hydro, water, air conditioning, high-speed internet, cable TV, and a secure covered park
47 Photos
Last Updated : 4 Days ago
175 King Street, Niagara, ON , MLS #X13720552 , Image - 1

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175 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13720552

Residential Freehold (Detached)

$399000.0
  • 5 Beds
  • 2 Baths
  • 2000-2500 sq-ft
This very cool 2.5-storey century townhouse brings serious character, from its stately red brick facade and gabled roofline to the old-world street pr
37 Photos
Last Updated : 4 Days ago
196 King Street, Niagara, ON , MLS #X13812848 , Image - 1

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196 King Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13812848

Residential Freehold (Detached)

$675000.0
  • 6 Beds
  • 2 Baths
  • 2000-2500 sq-ft
Prime opportunity to acquire a mixed-use downtown property offering a modern, turn-key, functional layout with exceptional street exposure, rare priva
24 Photos
Last Updated : 4 Days ago
20 Stuart Avenue, Niagara, ON , MLS #X13722920 , Image - 1

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20 Stuart Avenue 451 - Downtown, St. Catharines, Niagara, ON MLS® X13722920

Residential Freehold (Detached)

$350000.0
price drop iconPrice drop by 2.8%
  • 3 +1 Beds
  • 3 Baths
  • 1100-1500 sq-ft
Welcome to 20 Stuart Avenue, located on a quiet street in central St. Catharines. This 1.5-storey home offers a versatile layout with four bedrooms in
47 Photos
Last Updated : 4 Days ago
26 Lowell Avenue, Niagara, ON , MLS #X13508002 , Image - 1

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26 Lowell Avenue 451 - Downtown, St. Catharines, Niagara, ON MLS® X13508002

Residential Freehold (Detached)

$459000.0
price drop iconPrice drop by 4.2%
  • 3 Beds
  • 2 Baths
  • 1100-1500 sq-ft
NEW PRICE!! Tucked into a quiet mid-town neighbourhood, this classic two-storey blends timeless character with the kind of updates that let you move i
27 Photos
Last Updated : 4 Days ago
164 Lake Street, Niagara, ON , MLS #X13685044 , Image - 1

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164 Lake Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13685044

Residential Freehold (Duplex)

$449900.0
  • 2 Beds
  • 2 Baths
  • 1100-1500 sq-ft
Character, Income & Convenience - A Duplex With Personality! Unique character duplex, very well taken care of, with fantastic income potential and pl
30 Photos
Last Updated : 4 Days ago
58 Ontario Street, Niagara, ON , MLS #X13809304 , Image - 1

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58 Ontario Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13809304

Residential Freehold (Triplex)

$998500.0
  • 5 Beds
  • 4 Baths
  • 3500-5000 sq-ft
Positioned on a prominent downtown corner, 58 Ontario Street presents a rare opportunity for owner-occupiers, investors, or live-work users to acquire
31 Photos
Last Updated : 4 Days ago
77 YATES Street, Niagara, ON , MLS #X13681590 , Image - 1

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Unit-404, 77 YATES Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13681590

Residential Condo & Other (Condo Apartment)

$949900.0
price drop iconPrice drop by 13.6%
  • 2 +0 Beds
  • 3 Baths
  • 1600-1799 sq-ft
Welcome home to sophisticated, light-filled living in this extraordinary 1,639-square-foot residence, where refined finishes, intentional design, and
49 Photos
Last Updated : 5 Days ago
39 Yates Street, Niagara, ON , MLS #X13707644 , Image - 1

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39 Yates Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13707644

Residential Freehold (Detached)

$2000000.0
  • 4 +1 Beds
  • 4 Baths
  • 3500-5000 sq-ft
Welcome home to 39 Yates Street and enjoy all that this coveted gem has to offer. Lovingly updated and maintained by the current owner of 38 years. Th
26 Photos
Last Updated : 6 Days ago
144 Geneva Street, Niagara, ON , MLS #X13491452 , Image - 1

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144 Geneva Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13491452

Residential Freehold (Triplex)

$999999.0
  • 13 Beds
  • 9 Baths
  • 2500-3000 sq-ft
Welcome to this stunning century home situated on a rare quarter-acre lot in the heart of St. Catharines. Complementing the main residence is an attac
1 Photos
Last Updated : 7 Days ago
42 North Street, Niagara, ON
42 North Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13727952

Residential Freehold (Detached)

$450000.0
  • 4 Beds
  • 2 Baths
  • 1100-1500 sq-ft
Looking for a place to call home and run a business as well ? Great downtown property with Zoning that allows for a small home based business. Main fl
31 Photos
Last Updated : 7 Days ago
132 Carlton Street, Niagara, ON , MLS #X13803470 , Image - 1

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132 Carlton Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13803470

Residential Freehold (Semi-Detached )

$495000.0
  • 3 +1 Beds
  • 2 Baths
  • 700-1100 sq-ft
Welcome to this beautifully updated semi-detached home in a convenient St. Catharines location! Recently refreshed and move-in ready, this home featur
47 Photos
Last Updated : 8 Days ago
31 Stuart Avenue, Niagara, ON , MLS #X13752872 , Image - 1

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31 Stuart Avenue 451 - Downtown, St. Catharines, Niagara, ON MLS® X13752872

Residential Freehold (Duplex)

$548000.0
price drop iconPrice drop by 6.8%
  • 3 Beds
  • 2 Baths
  • 1100-1500 sq-ft
Lovely character home with great curb appeal and full of charm located in the coveted Fitzgerald area of downtown St.Catharines. Welcome to 31 Stuart
34 Photos
Last Updated : 8 Days ago
174 Beech Street, Niagara, ON , MLS #X13801064 , Image - 1

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174 Beech Street 451 - Downtown, St. Catharines, Niagara, ON MLS® X13801064

Residential Freehold (Detached)

$425000.0
  • 3 Beds
  • 1 Baths
  • 700-1100 sq-ft
Located in the desirable Fitzgerald neighbourhood of St. Catharines, this charming home offers a private driveway and a sunny, open main floor with th
Shortlisted Properties
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