St. Marys, Ontario
As of September 27, 2026, the median asking price in St. Marys is $599,999, across 51 active MLS® listings.
Those listings have been on the market an average of 94 days.
9 new listings came to market in St. Marys in the last 30 days.
Detached homes in St. Marys are listed at an average of $658,242 across 31 active listings.
Townhouses in St. Marys are listed at an average of $483,745 across 11 active listings.
Historic river community with everyday essentials close by
St. Marys blends a limestone downtown, river trails, and low-rise homes with a practical set of daily services.
This is a place where the core’s shops, coffee stops, parks, and civic amenities are the anchor, while the surrounding residential areas lean quieter and more car-oriented. The appeal is the combination of a defined main street feel, year-round outdoor options, and a housing mix dominated by detached homes with many townhouses as an alternative. It is not a high-rise, transit-first environment, and outside the core many errands still read as a drive-first routine.
A historic downtown anchored by limestone architecture gives the area a distinct main-street setting for shopping, coffee, and services.
The Thames River presence and nearby trail options like the Grand Trunk Trail shape a strong outdoor, walk-and-roll local network.
The St. Marys Quarry is a signature warm-weather draw that sets local recreation apart from many nearby communities.
Housing in St. Marys is mostly detached houses, with townhouses also common, keeping the overall built form low-rise and oriented to ground-level living. This mix supports a market where property condition and practical livability features matter as much as finishes.
A typical home here is a detached house, with townhouses providing a common alternative for buyers who want a similar setting with a different maintenance profile.
In St. Marys, look past the asking price at how the home’s condition and maintenance align with the area’s predominantly detached housing stock, and how the location fits the area’s walk-to-core versus drive-to-errands reality.
Walkability is meaningfully different depending on how close you are to the downtown anchor; check how you’ll actually reach groceries, parks, and day-to-day services from the specific address.
If trails, parks, or the St. Marys Quarry are part of why you’re buying here, confirm how naturally they fit into your routine from the home’s location.
With detached houses common, ownership often includes more exterior responsibility; evaluate the roofline, windows, and yard features as carefully as the interior finishes.
Match your needs to the nearby service set—pharmacies, dental clinics, and St. Marys Memorial Hospital are part of the area’s practical appeal, so confirm proximity and convenience for your household.
Selling in St. Marys comes down to two comparisons buyers make: your home against what else is for sale, and this location against the alternatives.
Buyers weigh your home against the homes listed in St. Marys right now. The current listings and asking prices are in the Market section of this page.
Put the places a buyer will use in the listing: Cadzow Park, Milt Dunnell Park The Flats and Rotary park.
St. Marys has a Walk Score of 68: some errands can be accomplished on foot. State it plainly, so the buyers it suits find your home.
Photography, condition and first impressions decide which listings buyers book to see. Have the home ready before it goes live.
St. Marys offers a defined limestone-and-river identity with a real downtown core, a strong roster of parks and trails, and signature recreation in the St. Marys Quarry—wrapped in a low-rise housing mix dominated by detached homes. It suits buyers who want community-scale amenities and outdoor access without relying on dense, transit-first infrastructure. It is not the right fit for a high-rise lifestyle or for doing most errands on foot from every part of the area.
This description is compiled from the figures above and from published sources. It is not a statistic.
Walk Score 68 · Bike Score 50
Communities.ca Inc.
Stuart Hall, REALTOR® · Licence #LIC-00651009 · Century 21 Bravo
Data from MLS® System. Deemed reliable but not guaranteed accurate by CREA. The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by The Canadian Real Estate Association (CREA) and identify the quality of services provided by real estate professionals who are members of CREA.
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