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: December 27, 2025

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

Land (Commercial)

Price On Request

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

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