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Detached Homes For Sale in St Marys, ON

Explore single-family detached houses for sale with private yards, garages, and spacious lots.

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 2 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 - 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 10 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 - 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

đź“…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
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 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

đź“…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 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 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
Residential Freehold for sale - 4 Bed, 3 Bath Home at 220 Elgin Street St. Marys ON listed at $575,000 (MLS# X13775934)
Price Change
$575,000Est. $1,914/mo
4bd
3ba
1kt
Residential Freehold

220 Elgin Street, St. Marys

Sep 12, 2026
DOM: 56

Built in 1879 and attributed to Silas Weekes, the architect behind the St. Marys Opera House, 220 El...

MLS#: X13775934
For Sale
Residential Freehold for sale - 4 Bed, 1 Bath Home at 158 James Street St. Marys ON listed at $440,000 (MLS# X13770532)
Price Change
$440,000Est. $1,465/mo
4bd
1ba
1kt
Residential Freehold

158 James Street, St. Marys

Sep 11, 2026
DOM: 57

Affordable first home or family-friendly property! This charming 4-bedroom home offers more space th...

MLS#: X13770532
For Sale
Residential Freehold for sale - 4 Bed, 4 Bath Home at 202 Queen Street St. Marys ON listed at $649,000 (MLS# X13772628)
Added 6 days ago
$649,000Est. $2,160/mo
4bd
4ba
1kt
Residential Freehold

202 Queen Street, St. Marys

Sep 11, 2026
DOM: 57

Late fall on Queen Street West suits this home well. You get over 1,800 sq ft of finished space, inc...

MLS#: X13772628
For Sale
Residential Freehold for sale - 3 Bed, 3 Bath Home at 353 Queen Street St. Marys ON listed at $499,000 (MLS# X13766174)
$499,000Est. $1,661/mo
3bd
3ba
1kt
Residential Freehold

353 Queen Street, St. Marys

Sep 10, 2026
DOM: 58

The leaves are coming down and this 3-bed, 2.5-bath home is ready for the cozy months. You get over ...

MLS#: X13766174
For Sale
Residential Freehold for sale - 3 Bed, 2 Bath Home at 318 Elizabeth Street St. Marys ON listed at $789,000 (MLS# X13706430)
Price Change
$789,000Est. $2,626/mo
3bd
2ba
1kt
Residential Freehold

318 Elizabeth Street, St. Marys

Aug 24, 2026
DOM: 75

Fall is the best time to walk downtown St. Marys, and from 318 Elizabeth Street you're there in minu...

MLS#: X13706430
For Sale
Residential Freehold for sale - 2 Bed, 2 Bath Home at 230 Church Street St. Marys ON listed at $469,900 (MLS# X13690992)
Price Change
$469,900Est. $1,564/mo
2bd
2ba
1kt
Residential Freehold

230 Church Street, St. Marys

Aug 19, 2026
DOM: 80

This stylish home has character and charm through out . Great 2 bedroom home on a 62 by 120 foot fen...

MLS#: X13690992
For Sale
Residential Freehold for sale - 2 Bed, 2 Bath Home at 35 Thomas Street St. Marys ON listed at $750,000 (MLS# X13670650)
Open House
$750,000Est. $2,496/mo
2bd
2ba
1kt
Residential Freehold

35 Thomas Street, St. Marys

đź“…Open House:Nov 7 1:00 PM
Aug 13, 2026
DOM: 86

Welcome to 35 Thomas St, St. Marys! Nestled along the Thames River, this unique home showcases the i...

MLS#: X13670650
For Sale
Residential Freehold for sale - 3 Bed, 2 Bath Home at 178 Thomas Street St. Marys ON listed at $599,999 (MLS# X13661486)
$599,999Est. $1,997/mo
3bd
2ba
1kt
Residential Freehold

178 Thomas Street, St. Marys

Aug 11, 2026
DOM: 88

178 Thomas Street, St. Marys Completely renovated, move-in ready, and just a short walk from downtow...

MLS#: X13661486
For Sale
Residential Freehold for sale - 3 Bed, 2 Bath Home at 104 Ontario Street St. Marys ON listed at $639,900 (MLS# X13638318)
$639,900Est. $2,130/mo
3bd
2ba
1kt
Residential Freehold

104 Ontario Street, St. Marys

Aug 5, 2026
DOM: 94

Welcome to the perfect blend of character and modern comfort. This beautifully updated 3-bedroom, 2-...

MLS#: X13638318
For Sale
St Marys Market Intelligence

Buying & Investing in Detached Homes For Sale in St Marys, ON

City Benchmark Price$850,000

Inventory & Competition

Properties matching detached homes for sale in St Marys experience targeted demand. Currently, there are 24 active listings available in this segment.

Buyer Due Diligence

Always review municipal zoning bylaws, historical permit status, and property tax assessments before submitting an offer in St Marys. Our local advisory team verifies TRREB sold comparables to protect your equity.

Comprehensive City Guide

Looking for neighborhood school rankings, crime safety indexes, and full demographic breakdowns? Visit our comprehensive master guide for all of St Marys.

Explore All St Marys Real Estate
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