3 Bedroom Houses for Sale in St. Marys ON

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Explore an array of over 5 properties, each equipped with various amenities, to discover the finest 3 bedrooms houses for sale in St. Marys that align with your preferences. Our broad selection of 3 bedrooms for sale in St. Marys offers diverse sizes and adaptable budget options, simplifying the process to buy 3 bedrooms houses in St. Marys. High-definition images and comprehensive brochures give you a detailed look at each property. You can fine-tune your search by filtering 3 bedrooms house prices in St. Marys and property age and features to find your ideal home.

Last Updated: June 28, 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

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

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

Similar Properties near St. Marys

50 Photos

113 Whitelock Street S, Perth, ON , MLS #X12970882 , Image - 1

113 Whitelock Street S Stratford, Perth, ON MLS® X12970882

Residential Freehold (Detached)

$849900.0

Price drop by 4.5%

3 Beds
2 Baths
1100-1500 sq-ft

Welcome to 113 Whitelock Street, a bungalow situated on an impressive 80-foot-wide lot. Designed for comfortable, accessible living, this home emphasi

45 Photos

3410 Perth Rd 163 Road, Perth, ON , MLS #X12680784 , Image - 1

3410 Perth Rd 163 Road Fullarton, West Perth, Perth, ON MLS® X12680784

Residential Freehold (Detached)

$790000.0

Price drop by 5.4%

3 Beds
2 Baths
1500-2000 sq-ft

Escape to the country this summer at 3410 Perth Rd 163 - a charming yellow brick century farmhouse set on a private 121 x 239 ft lot surrounded by mat

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