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Houses for Sale in St. Marys ON Under $10 Million

Showing results 1 - 23 of 23

Are you looking for houses under $10m 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 $10m 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 $10m, including freehold homes, condos, and commercial properties.

Last Updated: December 05, 2025

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)

$475000.0

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

32 St Andrew Street S, Perth, ON , MLS #X12503478 , Image - 1

32 St Andrew Street S St. Marys, Perth, ON MLS® X12503478

Residential Freehold (Detached)

$749900.0

3 Beds
3 Baths
2000-2500 sq-ft

Absolutely stunning 3 bedroom 1 1/2 storey home in the wonderful town of St. Marys! Prepared to be amazed by this breathtaking century home. Old world

40 Photos

189 Elizabeth Street, Perth, ON , MLS #X11984942 , Image - 1

Unit-1C, 189 Elizabeth Street St. Marys, Perth, ON MLS® X11984942

Residential Condo & Other (Condo Apartment)

$698000.0

2 Beds
2 Baths
0-499 sq-ft

This unit is flooded with light! And its placement on the lower level provides for a private outdoor area and direct access from the parking lot. Cent

39 Photos

25 Thames Road, Perth, ON , MLS #X12373156 , Image - 1

Unit-27, 25 Thames Road St. Marys, Perth, ON MLS® X12373156

Residential Freehold (Modular Home)

$379900.0

Price drop by 5.0%

2 Beds
2 Baths
1100-1500 sq-ft

This beautiful 8-year-old bungalow offers spacious comfort, style and low-maintenance living in the desirable Maple Lane Park community. The thoughtf

30 Photos

157 Maiden Lane, Perth, ON , MLS #X12484687 , Image - 1

157 Maiden Lane St. Marys, Perth, ON MLS® X12484687

Residential Freehold (Detached)

$534900.0

2 Beds
1 Baths
1100-1500 sq-ft

Welcome home to this charming 1.5-storey gem in St. Marys sought-after west end! Featuring two spacious bedrooms upstairs plus a versatile bonus room

7 Photos

428 Queen Street W, Perth, ON , MLS #X12403980 , Image - 1

Unit-#3, 428 Queen Street W St. Marys, Perth, ON MLS® X12403980

Residential Condo & Other (Condo Townhouse)

$369900.0

2 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

6 Photos

428 Queen Street W, Perth, ON , MLS #X12403971 , Image - 1

Unit-#5, 428 Queen Street W St. Marys, Perth, ON MLS® X12403971

Residential Condo & Other (Condo Townhouse)

$399900.0

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

50 Photos

297 Wellington Street S, Perth, ON , MLS #X12475688 , Image - 1

297 Wellington Street S St. Marys, Perth, ON MLS® X12475688

Residential Freehold (Detached)

$499900.0

2 Beds
2 Baths
1100-1500 sq-ft

Step inside this beautifully updated 1.5-storey home that perfectly blends modern design with everyday comfort. The brand-new kitchen is a showstopper

13 Photos

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

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

Residential Freehold (Detached)

$865000.0

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

45 Photos

20 Southvale Road, Perth, ON , MLS #X12235986 , Image - 1

Unit-17, 20 Southvale Road St. Marys, Perth, ON MLS® X12235986

Residential Condo & Other (Condo Townhouse)

$439900.0

Price drop by 5.4%

3 Beds
2 Baths
1200-1399 sq-ft

Unit 17 -20 Southvale Road . Make your appointment to view this well kept and updated townhouse condo in a nice location in the complex backing onto a

40 Photos

1772 Perth Rd 139 Road, Perth, ON , MLS #X12441377 , Image - 1

1772 Perth Rd 139 Road St. Marys, Perth, ON MLS® X12441377

Residential Freehold (Detached)

$1189000.0

3 +1 Beds
3 Baths
1500-2000 sq-ft

Imagine having the opportunity to immerse yourself in the rich history of an impeccably maintained and restored 1889 Limestone Schoolhouse in a quaint

11 Photos

0 Emily Street, Perth, ON , MLS #X12202883 , Image - 1

0 Emily Street St. Marys, Perth, ON MLS® X12202883

Residential Freehold (Vacant Land)

$5995000.0

Offered for sale is a 15-acre parcel of land on the north end of the Town of St. Marys, ideally situated near parks, walking trails, and local ameniti

24 Photos

30 Ann Street, Perth, ON , MLS #40670873 , Image - 1

Unit-9, 30 Ann Street St. Marys, Perth, ON MLS® 40670873

Residential (Modular Home)

$360000

Price drop by 20.9%

2 Beds
2 Baths
1200 sq-ft

Welcome to another prestigious Parkbridge Community! This is Adult Lifestyle Living at its best in the beautiful Stonetown of St. Marys. 30 minutes

50 Photos

196-198 Queen Street E, Perth, ON , MLS #40644710 , Image - 1

196-198 Queen Street E St. Marys, Perth, ON MLS® 40644710

Residential Income (Multi-4 Unit)

$899900

8 Beds
5 Baths
7062 sq-ft

This versatile 7,000+ sq. ft. commercial building in downtown St. Marys is full of potential. Situated in a prime high-visibility location, it feature

18 Photos

198 Hooper Street, Perth, ON , MLS #40653445 , Image - 1

198 Hooper Street St. Marys, Perth, ON MLS® 40653445

Residential (Row/Townhouse)

$599000

Price drop by 14.3%

3 Beds
3 Baths
1490 sq-ft

Beautiful Townhouse with open concept main floor plan & 3 bedrooms, 2.5 bath on the second level, is located in the new subdivision in North end of St

27 Photos

21 Waterloo Street, Perth, ON , MLS #40681702 , Image - 1

21 Waterloo Street St. Marys, Perth, ON MLS® 40681702

Residential (Single Family Residence)

$492000

2 Beds
2 Baths
964 sq-ft

Situated in the east end of St. Marys, this up-and-down duplex with a generous 83' x 110' lot, is both affordable for first time buyers or investors a

28 Photos

22 St. Andrew Street N, Perth, ON , MLS #40677843 , Image - 1

Unit-104, 22 St. Andrew Street N St. Marys, Perth, ON MLS® 40677843

Residential (Condo/Apartment Unit)

$330000

2 Beds
2 Baths
1200 sq-ft

Step inside and embrace your new chapter! This charming 2-bedroom, 2-bath unit in a vibrant 55+ community features a lovely sliding glass walk out to

14 Photos

119 Glass Street, Perth, ON , MLS #40518341 , Image - 1

119 Glass Street St. Marys, Perth, ON MLS® 40518341

Residential (Single Family Residence)

$819900

2 Beds
2 Baths
1550 sq-ft

Build your dream home with Teahen Homes! With only 2 lots left you can customize your desired floor plan to fit either lot or we are proposing a 1550

49 Photos

57 Edison Street, Perth, ON , MLS #40679375 , Image - 1

57 Edison Street St. Marys, Perth, ON MLS® 40679375

Residential (Single Family Residence)

$605900

4 Beds
4 Baths
2356 sq-ft

Welcome to 57 Edison Street in the charming town of St. Marys, Ontario!This spacious 4-bedroom, 4-bathroom (2 full, 2 half) semi-detached home is a pe

37 Photos

20 Huron Street N, Perth, ON , MLS #40671157 , Image - 1

Unit-7, 20 Huron Street N St. Marys, Perth, ON MLS® 40671157

Residential (Row/Townhouse)

$439900

2 Beds
1 Baths
1064 sq-ft

Rotary Parkview East, a Life Lease apartment in a 55+ community designed for comfort and ease. This well kept unit features an open-concept kitchen an

49 Photos

255 Water Street S, Perth, ON , MLS #40663036 , Image - 1

255 Water Street S St. Marys, Perth, ON MLS® 40663036

Residential (Single Family Residence)

$779000

Price drop by 2.6%

3 Beds
3 Baths
2073 sq-ft

**Welcome to 255 Water St S, St. Marys, Ontario!**This delightful two-story home, built in 2004, combines modern comfort with inviting spaces, featuri

10 Photos

58 Trail Side Drive, Perth, ON , MLS #40624611 , Image - 1

58 Trail Side Drive St. Marys, Perth, ON MLS® 40624611

Residential (Single Family Residence)

$756000

3 Beds
3 Baths
1260 sq-ft

This lovely bungalow built by Larry Otten Contracting, one of our areas finest builders, is now available for you to make your own selections. So muc

41 Photos

30 Ann Street, Perth, ON , MLS #40609159 , Image - 1

Unit-39, 30 Ann Street St. Marys, Perth, ON MLS® 40609159

Residential (Single Family Residence)

$389900

2 Beds
2 Baths
1218 sq-ft

Welcome to 39-30 Ann Street in the Thames Valley Retirement Community. This 2-bedroom, 2-bathroom home offers convenience and comfort with an attached

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