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Houses for Sale in St. Marys ON Under $500K

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Are you looking for houses under $500k for sale in St. Marys ON? Square Yards Canada offers a wide selection of properties that cater to various budgets in St. Marys. Browse through detailed listings with HD images and guides to find the ideal property that fits your budget and preferences in St. Marys. Whether you’re looking to buy houses under under $500k in St. Marys 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. Marys houses for sale under under $500k, including freehold homes, condos, and commercial properties.

Last Updated: May 14, 2026

18 Photos

86 Salina Street N, Perth, ON , MLS #X12199738 , Image - 1

86 Salina Street N St. Marys, Perth, ON MLS® X12199738

Residential Freehold (Detached)

$425000.0

Price drop by 10.5%

3 Beds
1 Baths
1100-1500 sq-ft

Opportunity knocks! Situated on an expansive 116.7' x 118' lot, this property offers excellent potential for development in a mature and sought-after

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19 Photos

347 Birmingham Street, Perth, ON , MLS #X13124010 , Image - 1

347 Birmingham Street Stratford, Perth, ON MLS® X13124010

Residential Freehold (Detached)

$369900.0

2 Beds
2 Baths
1100-1500 sq-ft

32 Photos

3202 Vivian Line

Unit-45, 3202 Vivian Line Stratford, Perth, ON MLS® X12781072

Residential Condo & Other (Condo Apartment)

$499900.0

Price drop by 5.7%

2 Beds
2 Baths
1400-1599 sq-ft

Welcome to Unit #45 - a beautifully designed 1,487 sq. ft. two-bedroom, two-bathroom residence offering a perfect blend of modern style, thoughtful la

31 Photos

3202 Vivian Line

Unit-47, 3202 Vivian Line Stratford, Perth, ON MLS® X12781076

Residential Condo & Other (Condo Apartment)

$399900.0

Price drop by 7.0%

2 Beds
1 Baths
800-899 sq-ft

Unit #47 offers a well-designed 860 sq. ft. one-bedroom plus den layout, ideal for those seeking flexibility, comfort, and modern living. The open-con

31 Photos

3202 Vivian Line

Unit-48, 3202 Vivian Line Stratford, Perth, ON MLS® X12781086

Residential Condo & Other (Condo Apartment)

$429900.0

Price drop by 4.4%

1 Beds
1 Baths
900-999 sq-ft

Unit #48 offers a highly functional one-bedroom plus den layout designed for comfort, space, and everyday living. The open-concept design features a s

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Houses for Sale in St. Marys ON Under $500K

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