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: March 30, 2026

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198 Scott Street, Niagara, ON , MLS #X12612274 , Image - 1

Unit-220, 198 Scott Street 446 - Fairview, St. Catharines, Niagara, ON MLS® X12612274

Residential Condo & Other (Condo Apartment)

$275000.0

Price drop by 6.8%

2 Beds
1 Baths
800-899 sq-ft

Amazing opportunity to own a fabulous condo in the highly desired Geneva Court building. Step into a beautiful lobby with updated common elements, a

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

5 Photos

1 BALL Avenue, Niagara, ON , MLS #X12872756 , Image - 1

1 BALL Avenue 460 - Burleigh Hill, St. Catharines, Niagara, ON MLS® X12872756

Residential Freehold (Vacant Land)

$99999.0

< 700 sq-ft

Build what you want, exactly the way you want it. This premium R3-zoned vacant lot in St. Catharines offers a rare opportunity to create your dream ho

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264 Oakdale Avenue, Niagara, ON , MLS #X12845284 , Image - 1

Unit-102, 264 Oakdale Avenue 456 - Oakdale, St. Catharines, Niagara, ON MLS® X12845284

Residential Condo & Other (Condo Apartment)

$274900.0

2 Beds
1 Baths
800-899 sq-ft

Welcome to 264 Oakdale Avenue, Unit 102, an affordable 2 bedroom condo offering a practical layout and a great opportunity for first time buyers looki

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

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