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Houses for Sale in St. Marys ON Under $700K

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Are you looking for houses under $700k 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 $700k 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 $700k, including freehold homes, condos, and commercial properties.

Last Updated: November 11, 2026

50 Photos

104 Ontario Street S, Perth, ON , MLS #X13638318 , Image - 1

104 Ontario Street S St. Marys, Perth, ON MLS® X13638318

Residential Freehold (Detached)

$639900.0

3 Beds
2 Baths
1100-1500 sq-ft

Welcome to the perfect blend of character and modern comfort. This beautifully updated 3-bedroom, 2-bathroom home is completely move-in ready in the W

40 Photos

22 ST. ANDREW Street N, Perth, ON , MLS #X14158104 , Image - 1

Unit-510, 22 ST. ANDREW Street N St. Marys, Perth, ON MLS® X14158104

Residential Condo & Other (Leasehold Condo)

$340000.0

2 +0 Beds
2 Baths
1200-1399 sq-ft

Welcome to the Parkview West, a 55+ community perched on the side of a hill in the beautiful town of St. Marys, Ontario. With 2 bedrooms and 2 full ba

25 Photos

201 Hooper Street, Perth, ON , MLS #X13834446 , Image - 1

201 Hooper Street St. Marys, Perth, ON MLS® X13834446

Residential Freehold (Att/Row/Townhouse)

$499000.0

Price drop by 5.7%

3 Beds
2 Baths
1100-1500 sq-ft

Welcome to 201 Hooper St, a spacious 3-bedroom family home offering a functional open-concept layout, generous room sizesand plenty of opportunity to

18 Photos

1 25 Thames Road, Perth, ON , MLS #X13564270 , Image - 1

1 25 Thames Road St. Marys, Perth, ON MLS® X13564270

Residential Freehold (Modular Home)

$344995.0

Price drop by 8.0%

2 Beds
2 Baths
700-1100 sq-ft

Welcome to 1-25 Thames Road, St. Mary's - A Beautiful Bungalow in Maple Lane Park! Situated on a spacious corner lot with spectacular sunsets, this ho

50 Photos

321 Tracy Street, Perth, ON , MLS #X13757042 , Image - 1

321 Tracy Street St. Marys, Perth, ON MLS® X13757042

Residential Freehold (Att/Row/Townhouse)

$600000.0

2 Beds
2 Baths
1100-1500 sq-ft

Downsizing this fall? This one makes it easy.This freehold bungalow townhome sits on a quiet cul-de-sac in St. Marys. You get low-maintenance, one-lev

43 Photos

158 James Street N, Perth, ON , MLS #X13770532 , Image - 1

158 James Street N St. Marys, Perth, ON MLS® X13770532

Residential Freehold (Detached)

$440000.0

Price drop by 8.3%

4 +0 Beds
1 Baths
1100-1500 sq-ft

Affordable first home or family-friendly property! This charming 4-bedroom home offers more space than you might expect, with three bedrooms upstairs

50 Photos

18 Trail Side Drive, Perth, ON , MLS #X12951366 , Image - 1

18 Trail Side Drive St. Marys, Perth, ON MLS® X12951366

Residential Freehold (Detached)

$699000.0

Price drop by 5.8%

3 Beds
3 Baths
1500-2000 sq-ft

Welcome to this stunning, like-new home, built just 3 years ago and meticulously maintained. Nestled in the ThamesCrest subdivision, this beautifully

7 Photos

428 Queen Street W, Perth, ON , MLS #X13153810 , Image - 1

Unit-3, 428 Queen Street W St. Marys, Perth, ON MLS® X13153810

Residential Condo & Other (Condo Townhouse)

$329900.0

1 Beds
1 Baths
700-799 sq-ft

Welcome to effortless condominium living in this brand new, never-before-lived-in unit offering the perfect blend of modern finishes, energy efficienc

19 Photos

428 Queen Street W, Perth, ON , MLS #X13854266 , Image - 1

Unit-31, 428 Queen Street W St. Marys, Perth, ON MLS® X13854266

Residential Condo & Other (Condo Townhouse)

$359900.0

1 Beds
1 Baths
800-899 sq-ft

Pol Quality Homes is thrilled to announce the launch of a new condominium project in St. Marys, ON. This development features beautifully designed one

19 Photos

428 Queen Street W, Perth, ON , MLS #X13854272 , Image - 1

Unit-26, 428 Queen Street W St. Marys, Perth, ON MLS® X13854272

Residential Condo & Other (Condo Townhouse)

$309900.0

2 Beds
1 Baths
800-899 sq-ft

Pol Quality Homes is thrilled to announce the launch of a new condominium project in St. Marys, ON. This development features beautifully designed one

19 Photos

428 Queen Street W, Perth, ON , MLS #X13854268 , Image - 1

Unit-33, 428 Queen Street W St. Marys, Perth, ON MLS® X13854268

Residential Condo & Other (Condo Townhouse)

$329900.0

1 Beds
1 Baths
700-799 sq-ft

Pol Quality Homes is thrilled to announce the launch of a new condominium project in St. Marys, ON. This development features beautifully designed one

50 Photos

19 Trailside Drive, Perth, ON , MLS #X14138648 , Image - 1

19 Trailside Drive St. Marys, Perth, ON MLS® X14138648

Residential Freehold (Att/Row/Townhouse)

$549900.0

3 Beds
2 Baths
1100-1500 sq-ft

A standout kitchen, the added appeal of an end unit, and freehold ownership. This Bickell Built townhome deserves a closer look. Just four years new,

48 Photos

220 Elgin Street E, Perth, ON , MLS #X13775934 , Image - 1

220 Elgin Street E St. Marys, Perth, ON MLS® X13775934

Residential Freehold (Detached)

$575000.0

Price drop by 8.7%

4 Beds
3 Baths
2000-2500 sq-ft

Built in 1879 and attributed to Silas Weekes, the architect behind the St. Marys Opera House, 220 Elgin St E is a Georgian-style home with the kind of

47 Photos

30 Ann Street, Perth, ON , MLS #X14117446 , Image - 1

Unit-28, 30 Ann Street St. Marys, Perth, ON MLS® X14117446

Residential Freehold (Modular Home)

$429000.0

2 Beds
2 Baths
1100-1500 sq-ft

This is a gem of a home located in Thames Valley, an extraordinary Adult Lifestyle Community in the beautiful town of St. Mary's. The home backs onto

50 Photos

202 Queen Street W, Perth, ON , MLS #X13772628 , Image - 1

202 Queen Street W St. Marys, Perth, ON MLS® X13772628

Residential Freehold (Detached)

$649000.0

4 Beds
4 Baths
1500-2000 sq-ft

Late fall on Queen Street West suits this home well. You get over 1,800 sq ft of finished space, including a finished basement, all a short walk from

50 Photos

353 Queen Street E, Perth, ON , MLS #X13766174 , Image - 1

353 Queen Street E St. Marys, Perth, ON MLS® X13766174

Residential Freehold (Detached)

$499000.0

3 Beds
3 Baths
1100-1500 sq-ft

The leaves are coming down and this 3-bed, 2.5-bath home is ready for the cozy months. You get over 1,100 sq ft above grade plus a partially finished

50 Photos

395 QUEEN Street E, Perth, ON , MLS #X13235368 , Image - 1

395 QUEEN Street E St. Marys, Perth, ON MLS® X13235368

Residential Freehold (Detached)

$639000.0

Price drop by 2.4%

3 +1 Beds
1 Baths
2500-3000 sq-ft

Located on a tree-lined street in the historic town of St. Marys is an attractive solid red-brick home just waiting for the right people to come along

31 Photos

22 St. Andrew Street N, Perth, ON , MLS #X13768458 , Image - 1

Unit-108, 22 St. Andrew Street N St. Marys, Perth, ON MLS® X13768458

Residential Condo & Other (Leasehold Condo)

$284900.0

2 Beds
2 Baths
1000-1199 sq-ft

Welcome to Unit 108 at Rotary Parkview West, where life feels a little easier. This lovely Life Lease unit offers approximately 1,200 sq. ft. with two

44 Photos

30 Ann Street, Perth, ON , MLS #X13536404 , Image - 1

Unit-31, 30 Ann Street St. Marys, Perth, ON MLS® X13536404

Residential Freehold (Detached)

$440000.0

Price drop by 6.0%

2 Beds
2 Baths
1100-1500 sq-ft

Fall is a good time to settle somewhere easy. 31-30 Ann St. sits on a quiet cul-de-sac in Thames Valley, St. Marys' 55+ adult lifestyle community, and

32 Photos

25 Thames Road, Perth, ON , MLS #X14118426 , Image - 1

Unit-14, 25 Thames Road St. Marys, Perth, ON MLS® X14118426

Residential Freehold (Modular Home)

$415000.0

2 Beds
2 Baths
1100-1500 sq-ft

Welcome to Unit 14 at 25 Thames Road in St. Marys, nestled in the desirable Maple Lane Park adult lifestyle community! This beautifully maintained 200

42 Photos

144 Southvale Road, Perth, ON , MLS #X13703180 , Image - 1

Unit-3, 144 Southvale Road St. Marys, Perth, ON MLS® X13703180

Residential Condo & Other (Condo Townhouse)

$475000.0

Price drop by 11.2%

2 +1 Beds
2 Baths
1600-1799 sq-ft

New Listing : Unit 3-144 Southvale Road : This well located Condo Unit in the Wyndham Row Complex in a sought after location backing onto green spac

48 Photos

15 Charles Street N, Perth, ON , MLS #X14116866 , Image - 1

15 Charles Street N St. Marys, Perth, ON MLS® X14116866

Residential Freehold (Detached)

$400000.0

2 Beds
1 Baths
700-1100 sq-ft

Attention investors, renovators, first-time buyers, and flippers! Set on an oversized ravine lot backing onto Trout Creek, 15 Charles Street offers a

43 Photos

22 St Andrew Street N, Perth, ON , MLS #X13811448 , Image - 1

Unit-408, 22 St Andrew Street N St. Marys, Perth, ON MLS® X13811448

Residential Condo & Other (Leasehold Condo)

$265000.0

2 Beds
2 Baths
1200-1399 sq-ft

Unit 408 , . A life lease unit in the St Marys Rotary Parkview West Non-Profit Adult apartments Inc. This main floor 1200 square foot unit features

48 Photos

133 Egan Avenue, Perth, ON , MLS #X13053006 , Image - 1

133 Egan Avenue St. Marys, Perth, ON MLS® X13053006

Residential Freehold (Semi-Detached )

$550000.0

Price drop by 8.3%

2 +1 Beds
3 Baths
700-1100 sq-ft

Welcome to 133 Egan Avenue in St. Marys - a beautifully finished home offering the kind of layout, features, and location that buyers are actively loo

50 Photos

131 Guest Court, Perth, ON , MLS #X14100170 , Image - 1

131 Guest Court St. Marys, Perth, ON MLS® X14100170

Residential Freehold (Detached)

$699900.0

2 Beds
2 Baths
1100-1500 sq-ft

This solid brick bungalow in a desirable area of St. Marys is just right, offering the perfect balance of character, comfort and flexibility for famil

28 Photos

35 Lady Court, Perth, ON , MLS #X14095270 , Image - 1

35 Lady Court St. Marys, Perth, ON MLS® X14095270

Residential Freehold (Semi-Detached )

$499900.0

3 Beds
4 Baths
1100-1500 sq-ft

A CHARMING SEMI-DETACHED HOME TUCKED AWAY ON A QUIET COURT! Situated in a family-friendly neighbourhood this inviting 3-bedroom, 4-bathroom home offer

37 Photos

113 Edison Street, Perth, ON , MLS #X13435690 , Image - 1

113 Edison Street St. Marys, Perth, ON MLS® X13435690

Residential Freehold (Semi-Detached )

$579900.0

Price drop by 7.2%

3 Beds
3 Baths
700-1100 sq-ft

Welcome to 113 Edison Street, a sought-after bungalow offering 2060 sqft. A perfect blend of comfort, functionality, and versatile living space.This b

3 Photos

165 Egan Avenue, Perth, ON , MLS #X14034130 , Image - 1

Unit-17, 165 Egan Avenue St. Marys, Perth, ON MLS® X14034130

Residential Condo & Other (Vacant Land Condo)

$529900.0

3 Beds
3 Baths
1600-1799 sq-ft

Brand new and thoughtfully designed, this 3-bedroom, 1,752 sq. ft. vacant land condominium townhouse is scheduled for completion in December 2026. The

40 Photos

293 Wellington Street S, Perth, ON , MLS #X13585368 , Image - 1

293 Wellington Street S St. Marys, Perth, ON MLS® X13585368

Residential Freehold (Detached)

$699900.0

3 Beds
3 Baths
1500-2000 sq-ft

Welcome to 293 Wellington Street South, a beautifully restored limestone century home where timeless character meets modern living. Set back from the

38 Photos

230 Church Street S, Perth, ON , MLS #X13690992 , Image - 1

230 Church Street S St. Marys, Perth, ON MLS® X13690992

Residential Freehold (Detached)

$469900.0

Price drop by 4.1%

2 Beds
2 Baths
700-1100 sq-ft

This stylish home has character and charm through out . Great 2 bedroom home on a 62 by 120 foot fenced lot in a great location in the town of St Mary

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