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Houses for Sale in St. Catharines ON Under $300K

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Are you looking for houses under $300k for sale in St. Catharines ON? Square Yards Canada offers a wide selection of properties that cater to various budgets in St. Catharines. Browse through detailed listings with HD images and guides to find the ideal property that fits your budget and preferences in St. Catharines. Whether you’re looking to buy houses under under $300k in St. Catharines ON for residential living or as investment opportunities, our listings allow you to filter by amenities, property age, number of bedrooms and much more. Explore a diverse range of St. Catharines houses for sale under under $300k, including freehold homes, condos, and commercial properties.

Last Updated: December 05, 2025

16 Photos

365 Geneva Street, Niagara, ON , MLS #X12164848 , Image - 1

Unit-609, 365 Geneva Street 446 - Fairview, St. Catharines, Niagara, ON MLS® X12164848

Residential Condo & Other (Condo Apartment)

$282000.0

Price drop by 17.0%

1 Beds
1 Baths
700-799 sq-ft

Beautiful Parklands condo building! This unit faces the treed area at rear of building! Spectacular views and sunset!! From 6th floor balcony! many

5 Photos

1 BALL Avenue, Niagara, ON , MLS #X12059919 , Image - 1

1 BALL Avenue 460 - Burleigh Hill, St. Catharines, Niagara, ON MLS® X12059919

Residential Freehold (Vacant Land)

$139000.0

Price drop by 29.0%

< 700 sq-ft

Build Your Dream Home or Investment Property, zoned R3. Expansive premium lot with stunning views and endless possibilities. All services such as gas,

27 Photos

241 St. Paul Street W, Niagara, ON , MLS #X12214967 , Image - 1

Unit-297, 241 St. Paul Street W 458 - Western Hill, St. Catharines, Niagara, ON MLS® X12214967

Residential Freehold (MobileTrailer)

$279900.0

Price drop by 9.7%

2 Beds
1 Baths
700-1100 sq-ft

Affordable Living in a Prime St. Catharines Location! This stylishly updated 2-bedroom, 1-bath home offers just under 1000 sq. ft. of modern comfort i

36 Photos

365 Geneva Street, Niagara, ON , MLS #X12576450 , Image - 1

Unit-602, 365 Geneva Street 446 - Fairview, St. Catharines, Niagara, ON MLS® X12576450

Residential Condo & Other (Condo Apartment)

$299900.0

2 Beds
1 Baths
900-999 sq-ft

Discover effortless condo living in this beautifully maintained 6th-floor unit located in the highly sought-after Parklands building. (2 bed 1 bath)Wi

27 Photos

78 Roehampton Avenue, Niagara, ON , MLS #X12565600 , Image - 1

Unit-205, 78 Roehampton Avenue 444 - Carlton/Bunting, St. Catharines, Niagara, ON MLS® X12565600

Residential Condo & Other (Condo Apartment)

$279900.0

2 Beds
2 Baths
900-999 sq-ft

BEAUTIFUL 2 BEDROOM CONDO APARTMENT IN GREAT LOCATION CLOSE TO ALL AMENETIES, SPACIOUS LIVING ROOM WITH NATURAL FIREPLACE, SEPARATE DINING ROOM, LARGE

43 Photos

359 Geneva Street, Niagara, ON , MLS #X12467090 , Image - 1

Unit-904, 359 Geneva Street 446 - Fairview, St. Catharines, Niagara, ON MLS® X12467090

Residential Condo & Other (Condo Apartment)

$284900.0

Price drop by 5.0%

2 Beds
1 Baths
800-899 sq-ft

Beautiful Northern exposure over-looking the City with views of the Toronto Skyline on a clear day. 2 bedroom north end furnished condo located walkin

14 Photos

241 St. Paul Street W, Niagara, ON , MLS #X12010457 , Image - 1

Unit-304, 241 St. Paul Street W 458 - Western Hill, St. Catharines, Niagara, ON MLS® X12010457

Residential Freehold (MobileTrailer)

$169000.0

2 Beds
1 Baths
700-1100 sq-ft

Priced to sell and offering the best deal on the market, this 2-bedroom, 1-bathroom trailer isa perfect opportunity for renovators, flippers, and cont

36 Photos

264 Oakdale Avenue, Niagara, ON , MLS #X12024795 , Image - 1

Unit-102, 264 Oakdale Avenue 456 - Oakdale, St. Catharines, Niagara, ON MLS® X12024795

Residential Condo & Other (Condo Apartment)

$284900.0

Price drop by 5.0%

2 Beds
1 Baths
900-999 sq-ft

Looking to get in the market, downsize, or invest? Look no further than 264 Oakdale Ave #102! This 2 bedroom condo provides a centralized location in

7 Photos

15 Hillview Road N, Niagara, ON , MLS #X12100637 , Image - 1

15 Hillview Road N 458 - Western Hill, St. Catharines, Niagara, ON MLS® X12100637

Residential Freehold (Vacant Land)

$299000.0

< 700 sq-ft

Welcome to 15 Hillview North, a rare opportunity to own a beautiful vacant lot in the heart of St. Catharines. This prime parcel of land offers a peac

13 Photos

456 Carlton Street, Niagara, ON , MLS #40750729 , Image - 1

Unit-23, 456 Carlton Street St. Catharines, Niagara, ON MLS® 40750729

Residential (Condo/Apartment Unit)

$289900

2 Beds
1 Baths
672 sq-ft

Low maintenance fees include all utilities! Just $430.11/month covers heat, water, and hydro. You'll enjoy stress-free living with no additional utili

18 Photos

41 Rykert Street, Niagara, ON , MLS #40749870 , Image - 1

Unit-402, 41 Rykert Street St. Catharines, Niagara, ON MLS® 40749870

Residential (Condo/Apartment Unit)

$279900

1 Beds
1 Baths
600 sq-ft

Why rent when you can buy?! This is a great opportunity to own this cozy, affordable one bedroom unit, whether you are a first time buyer, student, in

5 Photos

4 Grandview Drive, Niagara, ON , MLS #40746132 , Image - 1

4 Grandview Drive St. Catharines, Niagara, ON MLS® 40746132

Land (Residential)

$299900

Welcome to your new custom home by the beach. This 30' x 90' lot offers a fantastic opportunity to build in a desirable, family-friendly neighborhood.

1 Photos

60 Carlton Street St. Catharines, Niagara, ON MLS® 40737614

Residential (Single Family Residence)

$299900

Price drop by 13.4%

2350 sq-ft

36 Photos

264 Oakdale Avenue, Niagara, ON , MLS #40707024 , Image - 1

Unit-102, 264 Oakdale Avenue St. Catharines, Niagara, ON MLS® 40707024

Residential (Condo/Apartment Unit)

$299900

2 Beds
1 Baths
920 sq-ft

Looking to get in the market, downsize, or invest? Look no further than 264 Oakdale Ave #102! This 2 bedroom condo provides a centralized location in

3 Photos

185B Rykert Street, Niagara, ON , MLS #40682941 , Image - 1

185B Rykert Street St. Catharines, Niagara, ON MLS® 40682941

Land (Residential)

$299900

Exciting Opportunity for Builders, Investors, and Homeowners! Prime building lot located in the heart of the Niagara Region, with severance already ap

3 Photos

185A Rykert Street, Niagara, ON , MLS #40682683 , Image - 1

185A Rykert Street St. Catharines, Niagara, ON MLS® 40682683

Land (Residential)

$299900

Exciting Opportunity for Builders, Investors, and Homeowners! Prime building lot located in the heart of the Niagara Region, with severance already ap

1 Photos

133 Niagara Street St. Catharines, Niagara, ON MLS® XH4201047

Land (Commercial)

Price On Request

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359 Geneva Street Street, Niagara, ON , MLS #40628105 , Image - 1

Unit-910, 359 Geneva Street Street St. Catharines, Niagara, ON MLS® 40628105

Residential (Condo/Apartment Unit)

$250000

Price drop by 12.3%

1 Beds
1 Baths
688 sq-ft

When value, location and ease of living matters then this is a great opportunity for you. This spacious one bedroom has a Tenant so you assume the exi

2 Photos

2 Marsten Drive, Niagara, ON , MLS #40666354 , Image - 1

2 Marsten Drive St. Catharines, Niagara, ON MLS® 40666354

Land (Residential)

$299900

Great Building Opportunity!!!!Lot is 58 feet x 80 feet and ready for construction of a single family home. Just minutes to the QEW and Port Dalhousie

2 Photos

162 Ontario Street W, Niagara, ON , MLS #40629089 , Image - 1

162 Ontario Street W St. Catharines, Niagara, ON MLS® 40629089

Land (Residential)

$50000

Shovel-Ready Development Opportunity for 8 Townhouses! An exceptional investment property with development land in a central location. This offering i

2 Photos

285 Geneva Street, Niagara, ON , MLS #40411299 , Image - 1

285 Geneva Street St. Catharines, Niagara, ON MLS® 40411299

Business Opportunity (Commercial)

$119000

6/49, Lotto Kiosk In Fairview Mall In St. Catharines ! Don't Miss Out This Rare Opportunity. Steady And Solid Income. Simple, Easy, Clean And Safe Ope

13 Photos

25 Main Street, Niagara, ON , MLS #40456178 , Image - 1

Unit-C, 25 Main Street St. Catharines, Niagara, ON MLS® 40456178

Business Opportunity (Commercial)

$75000

Price drop by 11.8%

This store is newly established since January 2022, it is beside the famous Port Dalhousie beach in north St. Catharines. There are few new condo deve

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