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Homes for Sale in St. Marys

As of Sep 30, 2026, St. Marys has 73 active MLS listings, updated through the day from Toronto Regional Real Estate Board (TRREB) data. The median asking price is $639,900. 25 homes sold here in the last 90 days, with a median 52 days on market. Most listings are in St. Marys.

Data updated 9 hours ago from TRREB via PropTx.

73

Active Listings

$639,900

Median Asking

For Sale Sold

St. Marys Market Snapshot

Full market trends

Active listings

73

Median asking

$639,900

Sold, 90 days

25

Median days on market

52

Sales to new listings

43%

Sales vs last year

Down 9.1%

What sold in the last 90 days

Detached 13 Condo Townhouse 4 Semi-Detached 4 Att/Row/Townhouse 2 Other 1 Vacant Land Condo 1 1 bedroom 2 2 bedroom 4 3 bedroom 11 4 bedroom 5 5+ bedroom 3
Sales vs new listings in St. Marys, last 24 months Homes sold New listings
0 7 15 22 29 Oct 24: 6 sold, 15 new listings Nov 24: 4 sold, 10 new listings Dec 24: 4 sold, 7 new listings Jan 25: 4 sold, 10 new listings Feb 25: 5 sold, 13 new listings Mar 25: 12 sold, 17 new listings Apr 25: 11 sold, 22 new listings May 25: 11 sold, 22 new listings Jun 25: 14 sold, 20 new listings Jul 25: 11 sold, 20 new listings Aug 25: 11 sold, 10 new listings Sep 25: 13 sold, 25 new listings Oct 25: 4 sold, 19 new listings Nov 25: 8 sold, 12 new listings Dec 25: 5 sold, 3 new listings Jan 26: 1 sold, 17 new listings Feb 26: 6 sold, 18 new listings Mar 26: 14 sold, 15 new listings Apr 26: 10 sold, 22 new listings May 26: 18 sold, 29 new listings Jun 26: 11 sold, 24 new listings Jul 26: 8 sold, 20 new listings Aug 26: 10 sold, 16 new listings Sep 26: 8 sold, 22 new listings Oct 24 Jan 25 Apr 25 Jul 25 Oct 25 Jan 26 Apr 26 Jul 26
Monthly data table
Month Homes sold New listings Typical days on market
Oct 24 6 15 28
Nov 24 4 10 49
Dec 24 4 7 38
Jan 25 4 10 74
Feb 25 5 13 23
Mar 25 12 17 43
Apr 25 11 22 64
May 25 11 22 39
Jun 25 14 20 82
Jul 25 11 20 93
Aug 25 11 10 37
Sep 25 13 25 50
Oct 25 4 19 47
Nov 25 8 12 46
Dec 25 5 3 71
Jan 26 1 17 135
Feb 26 6 18 79
Mar 26 14 15 88
Apr 26 10 22 77
May 26 18 29 107
Jun 26 11 24 89
Jul 26 8 20 52
Aug 26 10 16 66
Sep 26 8 22 81

Current listings in St. Marys

158 James Street N, St. Marys, ON N4X 1B3

$480,000

just now

158 James Street N

St. Marys

4 bd · 1 ba · 1,100 - 1,500 sqft

MLS® X13770532 · Re/max A-B Realty Ltd

131 Guest Court, St. Marys, ON N4X 1E5

$699,900

just now

131 Guest Court

St. Marys

2 bd · 2 ba · 1,100 - 1,500 sqft

MLS® X13800188 · Re/max A-B Realty Ltd

575 Emily Street, St. Marys, ON N4X 1C2

$1,999,900

just now

575 Emily Street

St. Marys

2 bd · 2 ba · 2,500 - 3,000 sqft

MLS® X13839470 · Prime Real Estate Brokerage

454 Rogers Avenue, St. Marys, ON N4X 1B5

$979,000

just now

454 Rogers Avenue

St. Marys

1+2 bd · 3 ba · 2,000 - 2,500 sqft

MLS® X13835292 · Home and Company Real Estate Corp Brokerage

275 James Street S 13, St. Marys, ON N4X 1C6

$642,000

just now

275 James Street S 13

St. Marys

3+1 bd · 4 ba · 2,000 - 2,249 sqft

MLS® X13070130 · Coldwell Banker Homefield Legacy Realty

104 Ontario Street S, St. Marys, ON N4X 1C2

$639,900

just now

104 Ontario Street S

St. Marys

3 bd · 2 ba · 1,100 - 1,500 sqft

MLS® X13638318 · Re/max A-B Realty Ltd

201 Hooper Street, St. Marys, ON N4X 0C1

$529,000

just now

201 Hooper Street

St. Marys

3 bd · 2 ba · 1,100 - 1,500 sqft

MLS® X13834446 · Cityscape Real Estate Ltd.

172 Hooper Street, St. Marys, ON N4X 0C1

$599,900

just now

172 Hooper Street

St. Marys

2 bd · 2 ba · 1,100 - 1,500 sqft

MLS® X13739608 · Re/max A-B Realty Ltd

395 Queen Street E, St. Marys, ON N4X 1B1

$639,000

just now

395 Queen Street E

St. Marys

3+1 bd · 1 ba · 2,500 - 3,000 sqft

MLS® X13235368 · Peak Select Realty Inc

119 Glass Street, St. Marys, ON N4X 0C1

$782,212

just now

119 Glass Street

St. Marys

3 bd · 3 ba · 1,500 - 2,000 sqft

MLS® X12514354 · Re/max A-B Realty Ltd

293 Wellington Street S, St. Marys, ON N4X 1C5

$699,900

just now

293 Wellington Street S

St. Marys

3 bd · 3 ba · 1,500 - 2,000 sqft

MLS® X13585368 · Sutton Group - First Choice Realty Ltd.

7 Hillside Court, St. Marys, ON N4X 1C3
Lease

$3,050/mo

just now

7 Hillside Court

St. Marys

1+2 bd · 2 ba · 1,100 - 1,500 sqft

MLS® X13612478 · Peak Select Realty Inc

7 Hillside Court, St. Marys, ON N4X 1C3

$660,000

just now

7 Hillside Court

St. Marys

1+2 bd · 2 ba · 1,100 - 1,500 sqft

MLS® X13493242 · Peak Select Realty Inc

73 Queen Street E, St. Marys, ON N4X 1C5

$185,000

just now

73 Queen Street E

St. Marys

MLS® X13135142 · Kempston & Werth Realty Ltd.

428 Queen Street W 30, St. Marys, ON N4X 0C8

$359,900

just now

428 Queen Street W 30

St. Marys

2 bd · 1 ba · 800 - 899 sqft

MLS® X12867164 · Re/max A-B Realty Ltd

428 Queen Street W 28, St. Marys, ON N4X 0C8

$329,900

just now

428 Queen Street W 28

St. Marys

1 bd · 1 ba · 700 - 799 sqft

MLS® X12867166 · Re/max A-B Realty Ltd

428 Queen Street W 3, St. Marys, ON N4X 0C8

$329,900

just now

428 Queen Street W 3

St. Marys

1 bd · 1 ba · 700 - 799 sqft

MLS® X13153810 · Re/max A-B Realty Ltd

428 Queen Street W 29, St. Marys, ON N4X 0C8

$309,900

just now

428 Queen Street W 29

St. Marys

2 bd · 1 ba · 700 - 799 sqft

MLS® X12867168 · Re/max A-B Realty Ltd

180 Ridgewood Crescent, St. Marys, ON N4X 1E8

$749,000

just now

180 Ridgewood Crescent

St. Marys

4 bd · 4 ba · 1,500 - 2,000 sqft

MLS® X13720592 · Peak Select Realty Inc

14 25 Thames Road, St. Marys, ON N4X 1G1

$425,000

just now

14 25 Thames Road

St. Marys

2 bd · 2 ba · 1,100 - 1,500 sqft

MLS® X13564922 · Sutton Group - First Choice Realty Ltd.

22 N St Andrew Street N 408, St. Marys, ON N4X 1B1

$265,000

just now

22 N St Andrew Street N 408

St. Marys

2 bd · 2 ba · 1,200 - 1,399 sqft

MLS® X13811448 · Coldwell Banker Homefield Legacy Realty

144 Southvale Road 3, St. Marys, ON N4X 1E9

$499,900

just now

144 Southvale Road 3

St. Marys

2+1 bd · 2 ba · 1,600 - 1,799 sqft

MLS® X13703180 · Coldwell Banker Homefield Legacy Realty

237 Thomas Street, St. Marys, ON N4X 1C2

$449,900

just now

237 Thomas Street

St. Marys

3 bd · 1 ba · 1,500 - 2,000 sqft

MLS® X13621900 · Benchmark Real Estate Services Canada Inc.

66 Edison Street N, St. Marys, ON N4X 0A8

$464,900

just now

66 Edison Street N

St. Marys

3 bd · 2 ba · 1,100 - 1,500 sqft

MLS® X13766588 · Coldwell Banker Homefield Legacy Realty

St. Marys Homes by Neighbourhood

Active listings by MLS community.

St. Marys (73)

Browse St. Marys Homes by Property Type

Detached Homes (32) Condo Townhouses (8) Townhouses (6) Condos (3) Semi-Detached Homes (3) Fourplexes (1) Duplexes (1)

Homes for Sale in Nearby Cities

Mississauga

5,379 active listings

Hamilton

3,663 active listings

Toronto C01

3,432 active listings

Brampton

3,051 active listings

Markham

2,738 active listings

St. Marys Questions, Answered With Data

How many homes are for sale in St. Marys?

73 homes are listed for sale in St. Marys as of Sep 30, 2026, sourced from the Toronto Regional Real Estate Board (TRREB) and updated through the day.

What do homes cost in St. Marys?

The median asking price across active St. Marys listings is $639,900. Current listings range from $109,000 to $4,250,000.

How is the St. Marys market moving?

25 homes sold in the last 90 days, with a median 52 days on market, and sales ran at 43% of new listings.

How current is this data?

Listing data syncs from TRREB via PropTx every 15 minutes. Sold prices and full sale history are available to registered users, per TRREB VOW rules.

Listing data: Toronto Regional Real Estate Board (TRREB) via the PropTx IDX feed. Statistics on this page are computed from that feed for the stated window and refresh automatically as new data syncs. Last data change: 9 hours ago.