St. Marys Single Family Homes for Sale

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Find over 5 Single Family houses for sale in St. Marys with Square Yards Canada. As per the current property price trend shows an increase in demand for single family homes with furnishings and amenities. You can choose from townhouses, detached houses, and semi-detached houses in single family for sale in St. Marys. Get your upscale and luxury single family houses for sale in St. Marys

Last Updated: May 14, 2026

38 Photos

255 Water Street S, Perth, ON , MLS #X13079208 , Image - 1

255 Water Street S St. Marys, Perth, ON MLS® X13079208

Residential Freehold (Detached)

$679900.0

3 Beds
3 Baths
1500-2000 sq-ft

Welcome to 255 Water Street South, a well-maintained two-storey home in one of St. Marys' most walkable and scenic locations. Built in 2004, this invi

48 Photos

187 Southvale Road, Perth, ON , MLS #X12779924 , Image - 1

187 Southvale Road St. Marys, Perth, ON MLS® X12779924

Residential Freehold (Detached)

$734900.0

4 Beds
3 Baths
1500-2000 sq-ft

Welcome to this wonderful family home in a great neighbourhood in St Mary's. Located near multiple parks, walking trails, recreation centre, Little Fa

13 Photos

144 Hooper Street, Perth, ON , MLS #X12111999 , Image - 1

144 Hooper Street St. Marys, Perth, ON MLS® X12111999

Residential Freehold (Detached)

$765000.0

Price drop by 11.6%

2 +2 Beds
3 Baths
1100-1500 sq-ft

This beautifully designed bungalow with a fully finished walk-out lower level backs directly onto greenspace and the nearby walking trail, offering a

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

50 Photos

130 Wellington Street S, Perth, ON , MLS #X12961198 , Image - 1

130 Wellington Street S St. Marys, Perth, ON MLS® X12961198

Residential Freehold (Detached)

$579900.0

3 Beds
1 Baths
1100-1500 sq-ft

Charming Ontario Cottage Steps from Downtown St. Marys Welcome to 130 Wellington Street South - an immaculate red brick Ontario cottage that perfectly

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