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St Marys Real Estate & Homes For Sale

Your comprehensive guide to St Marys, Ontario

SAFETY RATING9.4 / 10
Very Low Crime Risk

View crime analytics →

PROPERTY PULSE
$850,000 Avg List

Detached & townhomes inventory

COMMUNITY CANVAS
323,103 Residents

Families & local professionals

WHAT YOU'LL LOVE
Parks & Schools

Top schools & green trails

Active MLS® Listings in St Marys

Browse the latest local MLS® property listings, updated real-time.

Residential Freehold for sale - 4 Bed, 3 Bath Home at 129 Thamesview Crescent St. Marys ON listed at $939,000 (MLS# X14143904)
Added 3 days ago
$939,000Est. $3,126/mo
4bd
3ba
1kt
Residential Freehold

129 Thamesview Crescent, St. Marys

Nov 3, 2026
DOM: 4

Welcome to your perfect family home in a prime residential neighbourhood! This beautifully designed ...

MLS#: X14143904
For Sale
Residential Freehold for sale - 3 Bed, 2 Bath Home at 19 Trailside Drive St. Marys ON listed at $549,900 (MLS# X14138648)
Open House
$549,900Est. $1,830/mo
3bd
2ba
1kt
Residential Freehold

19 Trailside Drive, St. Marys

📅Open House:Nov 7 1:00 PM
Nov 2, 2026
DOM: 5

A standout kitchen, the added appeal of an end unit, and freehold ownership. This Bickell Built town...

MLS#: X14138648
For Sale
Residential Freehold for sale - 5 Bed, 3 Bath Home at 35 Highland Court St. Marys ON listed at $824,900 (MLS# X14138872)
Added 4 days ago
$824,900Est. $2,746/mo
5bd
3ba
1kt
Residential Freehold

35 Highland Court, St. Marys

Nov 2, 2026
DOM: 5

Set on a quiet court in one of St. Marys' most desirable neighbourhoods, this inviting bungalow offe...

MLS#: X14138872
For Sale
Residential Freehold for sale - 4 Bed, 2 Bath Home at 102 Waterloo Street St. Marys ON listed at $719,900 (MLS# X14134236)
$719,900Est. $2,396/mo
4bd
2ba
1kt
Residential Freehold

102 Waterloo Street, St. Marys

Oct 30, 2026
DOM: 8

Welcome to this beautifully maintained classic mid-century two-storey home, ideally situated in a so...

MLS#: X14134236
For Sale
Residential Freehold for sale - 2 Bed, 1 Bath Home at 15 Charles Street St. Marys ON listed at $400,000 (MLS# X14116866)
Added 11 days ago
$400,000Est. $1,331/mo
2bd
1ba
1kt
Residential Freehold

15 Charles Street, St. Marys

Oct 26, 2026
DOM: 12

Attention investors, renovators, first-time buyers, and flippers! Set on an oversized ravine lot bac...

MLS#: X14116866
For Sale
Residential Freehold for sale - 2 Bed, 2 Bath Home at 30 Ann Street St. Marys ON listed at $429,000 (MLS# X14117446)
Open House
$429,000Est. $1,428/mo
2bd
2ba
1kt
Residential Freehold

30 Ann Street, Unit 28, St. Marys

📅Open House:Nov 7 12:00 PM
Oct 26, 2026
DOM: 12

This is a gem of a home located in Thames Valley, an extraordinary Adult Lifestyle Community in the ...

MLS#: X14117446
For Sale
Residential Freehold for sale - 2 Bed, 2 Bath Home at 25 Thames Road St. Marys ON listed at $415,000 (MLS# X14118426)
Added 9 days ago
$415,000Est. $1,381/mo
2bd
2ba
1kt
Residential Freehold

25 Thames Road, Unit 14, St. Marys

Oct 26, 2026
DOM: 12

Welcome to Unit 14 at 25 Thames Road in St. Marys, nestled in the desirable Maple Lane Park adult li...

MLS#: X14118426
For Sale
Residential Freehold for sale - 3 Bed, 3 Bath Home at 43 Thomas Street St. Marys ON listed at $775,000 (MLS# X14110340)
Open House
$775,000Est. $2,580/mo
3bd
3ba
1kt
Residential Freehold

43 Thomas Street, St. Marys

📅Open House:Nov 7 1:00 PM
Oct 23, 2026
DOM: 15

Welcome to your cottage on the river! Imagine enjoying your morning coffee on your exclusive terrace...

MLS#: X14110340
For Sale
Commercial for sale - 0 Bed, 0 Bath Home at 84 Wellington Street St. Marys ON listed at $289,000 (MLS# X14101088)
$289,000Est. $962/mo
0bd
0ba
Commercial

84 Wellington Street, St. Marys

Oct 21, 2026
DOM: 17

Finally! This Is The Opportunity For You To Be Your Own Boss And Become Part Of A Well-Established N...

MLS#: X14101088
For Sale
Residential Freehold for sale - 4 Bed, 2 Bath Home at 18 Robinson Street St. Marys ON listed at $725,000 (MLS# X14101840)
Added 8 days ago
$725,000Est. $2,413/mo
4bd
2ba
1kt
Residential Freehold

18 Robinson Street, St. Marys

Oct 21, 2026
DOM: 17

Remarkable on Robinson! Stunning century home with all of the modern conveniences, located just step...

MLS#: X14101840
For Sale
Residential Freehold for sale - 4 Bed, 3 Bath Home at 164 Church Street St. Marys ON listed at $821,000 (MLS# X14103296)
Added 4 days ago
$821,000Est. $2,733/mo
4bd
3ba
1kt
Residential Freehold

164 Church Street, St. Marys

Oct 21, 2026
DOM: 17

Welcome to 164 Church St. N., St. Marys. This extraordinary 1880 home was originally constructed by ...

MLS#: X14103296
For Sale
Residential Freehold for sale - 2 Bed, 2 Bath Home at 131 Guest Court St. Marys ON listed at $699,900 (MLS# X14100170)
$699,900Est. $2,330/mo
2bd
2ba
1kt
Residential Freehold

131 Guest Court, St. Marys

Oct 20, 2026
DOM: 18

This solid brick bungalow in a desirable area of St. Marys is "just right", offering the perfect bal...

MLS#: X14100170
For Sale
Residential Freehold for sale - 2 Bed, 3 Bath Home at 224 Elizabeth Street St. Marys ON listed at $750,000 (MLS# X14092594)
Added 7 days ago
$750,000Est. $2,496/mo
2bd
3ba
1kt
Residential Freehold

224 Elizabeth Street, St. Marys

Oct 19, 2026
DOM: 19

Built in 1895, this well-maintained yellow brick Ontario cottage offers approximately 1,700 sq. ft. ...

MLS#: X14092594
For Sale
Residential Condo & Other for sale - 3 Bed, 3 Bath Home at 165 Egan Avenue St. Marys ON listed at $529,900 (MLS# X14034130)
$529,900Est. $1,764/mo
3bd
3ba
1kt
Residential Condo & Other

165 Egan Avenue, Unit 17, St. Marys

Oct 14, 2026
DOM: 24

Brand new and thoughtfully designed, this 3-bedroom, 1,752 sq. ft. vacant land condominium townhouse...

MLS#: X14034130
For Sale
Residential Freehold for sale - 3 Bed, 3 Bath Home at 57 Parkhaven Crescent St. Marys ON listed at $775,000 (MLS# X14029080)
Added 6 days ago
$775,000Est. $2,580/mo
3bd
3ba
1kt
Residential Freehold

57 Parkhaven Crescent, St. Marys

Oct 13, 2026
DOM: 25

Tucked on a quiet crescent in St. Marys, this brick bungalow backs onto the open green space of Sout...

MLS#: X14029080
For Sale
Residential Freehold for sale - 3 Bed, 2 Bath Home at 152 St Andrew Street St. Marys ON listed at $1,489,888 (MLS# X13865816)
$1,489,888Est. $4,959/mo
3bd
2ba
1kt
Residential Freehold

152 St Andrew Street, St. Marys

Oct 6, 2026
DOM: 32

A rare architectural alternative to conventional luxury, Vista Del Sol is a custom Mid-Century Moder...

MLS#: X13865816
For Sale
Residential Freehold for sale - 3 Bed, 2 Bath Home at 5 Ridgewood Crescent St. Marys ON listed at $700,000 (MLS# X13861536)
Open House
$700,000Est. $2,330/mo
3bd
2ba
1kt
Residential Freehold

5 Ridgewood Crescent, St. Marys

📅Open House:Nov 8 1:00 PM
Oct 5, 2026
DOM: 33

Welcome to 5 Ridgewood Crescent, in beautiful St. Marys! This 3 bedroom, 2 bathroom home is located ...

MLS#: X13861536
For Sale
Residential Condo & Other for sale - 1 Bed, 1 Bath Home at 428 Queen Street St. Marys ON listed at $359,900 (MLS# X13854266)
Open House
$359,900Est. $1,198/mo
1bd
1ba
1kt
Residential Condo & Other

428 Queen Street, Unit 31, St. Marys

📅Open House:Nov 7 10:30 AM
Oct 1, 2026
DOM: 37

Pol Quality Homes is thrilled to announce the launch of a new condominium project in St. Marys, ON. ...

MLS#: X13854266
For Sale
Residential Condo & Other for sale - 1 Bed, 1 Bath Home at 428 Queen Street St. Marys ON listed at $329,900 (MLS# X13854268)
Open House
$329,900Est. $1,098/mo
1bd
1ba
1kt
Residential Condo & Other

428 Queen Street, Unit 33, St. Marys

📅Open House:Nov 7 10:30 AM
Oct 1, 2026
DOM: 37

Pol Quality Homes is thrilled to announce the launch of a new condominium project in St. Marys, ON. ...

MLS#: X13854268
For Sale
Residential Condo & Other for sale - 2 Bed, 1 Bath Home at 428 Queen Street St. Marys ON listed at $309,900 (MLS# X13854272)
Open House
$309,900Est. $1,032/mo
2bd
1ba
1kt
Residential Condo & Other

428 Queen Street, Unit 26, St. Marys

📅Open House:Nov 7 10:30 AM
Oct 1, 2026
DOM: 37

Pol Quality Homes is thrilled to announce the launch of a new condominium project in St. Marys, ON. ...

MLS#: X13854272
For Sale
Residential Freehold for sale - 2 Bed, 2 Bath Home at 575 Emily Street St. Marys ON listed at $1,999,900 (MLS# X13839470)
$1,999,900Est. $6,657/mo
2bd
2ba
1kt
Residential Freehold

575 Emily Street, St. Marys

Sep 29, 2026
DOM: 39

Imagine trading your long weekend commute for a daily retreat into pure serenity. Step onto three ac...

MLS#: X13839470
For Sale
Residential Condo & Other for sale - 2 Bed, 2 Bath Home at 22 St Andrew Street St. Marys ON listed at $265,000 (MLS# X13811448)
$265,000Est. $882/mo
2bd
2ba
1kt
Residential Condo & Other

22 St Andrew Street, Unit 408, St. Marys

Sep 21, 2026
DOM: 47

Unit 408 , . A life lease unit in the St Marys Rotary Parkview West Non-Profit Adult apartments Inc....

MLS#: X13811448
For Sale
Residential Freehold for sale - 3 Bed, 1 Bath Home at 86 Salina Street St. Marys ON listed at $399,900 (MLS# X13799222)
$399,900Est. $1,331/mo
3bd
1ba
1kt
Residential Freehold

86 Salina Street, St. Marys

Sep 17, 2026
DOM: 51

An affordable opportunity in St. Marys' desirable West Ward! This 1.5-storey home offers 3 bedrooms ...

MLS#: X13799222
For Sale
Residential Freehold for sale - 3 Bed, 3 Bath Home at 332 Widder Street St. Marys ON listed at $735,000 (MLS# X13793310)
$735,000Est. $2,447/mo
3bd
3ba
1kt
Residential Freehold

332 Widder Street, St. Marys

Sep 16, 2026
DOM: 52

Welcome to 332 Widder Street East, a well-maintained brick bungalow in a highly sought-after locatio...

MLS#: X13793310
For Sale
Region Overview

Explore St Marys

Real Estate & Community Overview

St Marys, often called the 'Stone Town' for its historic limestone architecture, blends small-town charm with modern amenities. The local real estate market features a mix of detached Victorian homes, modern townhomes, and limited condos ideal for downsizers. Neighborhoods like Queen Street East offer tree-lined streets, while newer subdivisions near Waterloo Street attract families. The Grand River and Wildwood Conservation Area enhance outdoor appeal, making it a sought-after community for remote workers.

Schools & Transit Connectivity

Top public schools include St Marys District Collegiate & Vocational Institute (SDCI) for grades 9-12, known for strong academics and sports. St. Patrick Catholic School serves K-8. For transit, GO Transit provides bus service to London and Kitchener via Huron Park GO station (20 min drive). Highway access is via Highway 7 and Highway 402, connecting to London (30 min) for VIA Rail and Highway 401 to the GTA (1.5 hours). Commuters often combine GO bus with park-and-ride lots.

Buyer & Seller Strategy

Buyers: Act fast in spring when inventory peaks—homes sell in 15-25 days. Get mortgage pre-approval to compete. Look for fixer-uppers near James Street for value. Investors target rental properties near St. Marys Golf Club for vacation rentals. Sellers: Price competitively—underpricing by 5% can spark bidding wars. Enhance curb appeal with limestone cleaning. List before July to avoid summer slowdown. Insider tip: Target local downsizers buying in Rosedale Park for quick sales.

💡 Insider Tips & Hidden Gems
Market Stats & Trends

Home Prices & Values in St Marys

The asking price of homes for sale in St Marys has decreased 2.48% since last year, while the number of homes for sale has increased 0.8%.

House
Median Asking Price
$1.2M
Townhouse
Median Asking Price
$850K
Condo
Median Asking Price
$600K

Find Real Estate & MLS® Listings in St Marys

SousaSells.ca has the most thorough, up-to-date set of St Marys real estate listings. Currently, St Marys has 0 homes for sale, including 0 houses, 0 condos, and 0 townhouses listed for sale. The average price for all home types in St Marys is $900K, which is up 3.5% compared to last year.

St Marys is home to 10 unique neighbourhoods. With SousaSells.cayou'll be able to find the hottest St Marys neighbourhoods, the best schools in the city, and evaluate nearby amenities. Check out the upcoming open houses in St Marys to tour homes in person. Narrow down your home search to filter by price, bedrooms, size or search by our map of MLS® listings for Canada-wide real estate.

MLS® Listing data for St Marys is updated every 15 minutes to provide you the most-up-to-date home listings. Get in touch with one of our St Marys real estate agents to get started on landing your dream home today.

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Median Age

The median age of residents in this area.

40.5 Yrs

Home Ownership

Percentage of owner-occupied households.

86% Owners
Neighborhood Safety Index

Neighborhood Safety & Crime Analytics

St Marys, St Marys

SAFETY RATING9.4 / 10
Low Incident Area
Total Annual Incidents35 incidents / yr
Average Per Month2.9 incidents / mo
Population BenchmarkArea Average residents
Personal Safety
Very Low

8 assaults (30.0/100k)

Property Security
Very Low

8 B&E (30.0/100k)

Auto Theft Risk
Low Risk

10 thefts (35.0/100k)

1-Year Trend
▼ 6%

Improving vs previous year

How Per-Capita Rate (Per 100,000 Residents) Is Calculated:

Formula: (Annual Occurrences / Population) × 100,000. This standard policing calculation normalizes incident frequencies across different population sizes, allowing accurate safety comparisons between quiet residential pockets and dense urban centres.

Source: Official Police Services ArcGIS Open Data
Halton & GTA Police Network

Disclaimer: Crime and safety analytics are compiled from official municipal and regional police open data records for general consumer informational and demographic research purposes only. Data is deemed reliable but is not guaranteed and does not constitute a legal representation or guarantee of future safety.

People & Families

Demographics, age distribution, household size and makeup.

Age Demographics (Detailed Ranges)

Household Composition

One-person households
15%
Families with children
52%
Couples without children
28%
Other households
5%

Ethnic Origins

Italian35%
Canadian10%
Russian8%
Chinese6%
Jewish5%

Local Schools

Ratings, ranking and classification of elementary and secondary schools.

Elementary Schools

No elementary schools data loaded for this city.

Secondary Schools

No secondary schools data loaded for this city.

Homes & Housing

Ownership rates, home structure distributions and listing prices.

Structural Home Types

Tenure (Ownership vs Rental)

Owner-Occupied86%
Rented14%

Real Estate Pulse

AVERAGE LIST PRICE$850,000
ACTIVE LISTINGS1674 Listed969 for sale
MLS® Category Search

Popular Property Searches in St Marys

Filter St Marys real estate by architectural style, budget brackets, in-law suites, and swimming pools.

Intelligence & Valuation

St Marys Real Estate Tools & Seller Advisory

Free valuation calculators, historical sold archives, and high-impact seller playbooks for Ontario homeowners.