Houses for Sale in St. Catharines ON Under $100K

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Are you looking for houses under $100k 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 $100k 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 $100k, including freehold homes, condos, and commercial properties.

Last Updated: August 13, 2026

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236 WESTCHESTER Crescent 456 - Oakdale, St. Catharines, Niagara, ON MLS® X13535324

Residential Freehold (Vacant Land)

$98900.0

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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

Similar Properties near St. Catharines

20 Photos

1501 Line 8 Road, Niagara, ON , MLS #X13646324 , Image - 1

Unit-110, 1501 Line 8 Road 106 - Queenston, Niagara-on-the-Lake, Niagara, ON MLS® X13646324

Residential Freehold (MobileTrailer)

$84900.0

2 Beds
1 Baths
< 700 sq-ft

Affordable 2-bedroom seasonal cottage at Vine Ridge Resort in Niagara-on-the-Lake, tucked one row back from the vineyard for added privacy and a peace