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Homes For Sale Under $800,000 in St Marys, ON

Browse active MLS® listings for sale under $800,000. Townhomes, detached houses, and luxury condos.

Active MLS® Listings in St Marys

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

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 - 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 - 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 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 - 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, 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 - 2 Bed, 2 Bath Home at 321 Tracy Street St. Marys ON listed at $600,000 (MLS# X13757042)
Added 6 days ago
$600,000Est. $1,997/mo
2bd
2ba
1kt
Residential Freehold

321 Tracy Street, St. Marys

Sep 8, 2026
DOM: 60

Downsizing this fall? This one makes it easy.This freehold bungalow townhome sits on a quiet cul-de-...

MLS#: X13757042
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 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
Residential Condo & Other for sale - 2 Bed, 2 Bath Home at 189 Elizabeth Street St. Marys ON listed at $698,000 (MLS# X13628752)
$698,000Est. $2,323/mo
2bd
2ba
1kt
Residential Condo & Other

189 Elizabeth Street, Unit 1C, St. Marys

Aug 1, 2026
DOM: 98

This unit is flooded with light! And its placement on the lower level provides for a private outdoor...

MLS#: X13628752
For Sale
Residential Freehold for sale - 3 Bed, 3 Bath Home at 293 Wellington Street St. Marys ON listed at $699,900 (MLS# X13585368)
$699,900Est. $2,330/mo
3bd
3ba
1kt
Residential Freehold

293 Wellington Street, St. Marys

Jul 20, 2026
DOM: 110

Welcome to 293 Wellington Street South, a beautifully restored limestone century home where timeless...

MLS#: X13585368
For Sale
Residential Freehold for sale - 3 Bed, 3 Bath Home at 113 Edison Street St. Marys ON listed at $579,900 (MLS# X13435690)
Price Change
$579,900Est. $1,930/mo
3bd
3ba
1kt
Residential Freehold

113 Edison Street, St. Marys

Jun 12, 2026
DOM: 148

Welcome to 113 Edison Street, a sought-after bungalow offering 2060 sqft. A perfect blend of comfort...

MLS#: X13435690
For Sale
Residential Freehold for sale - 4 Bed, 1 Bath Home at 395 QUEEN Street St. Marys ON listed at $639,000 (MLS# X13235368)
Price Change
$639,000Est. $2,127/mo
4bd
1ba
1kt
Residential Freehold

395 QUEEN Street, St. Marys

Jun 3, 2026
DOM: 157

Located on a tree-lined street in the historic town of St. Marys is an attractive solid red-brick ho...

MLS#: X13235368
For Sale
Residential Freehold for sale - 3 Bed, 3 Bath Home at 466 Water Street St. Marys ON listed at $799,900 (MLS# X13035060)
Price Change
$799,900Est. $2,663/mo
3bd
3ba
1kt
Residential Freehold

466 Water Street, St. Marys

Apr 23, 2026
DOM: 198

Built in 2010, this well-maintained home offers a thoughtful main floor layout with spacious rooms, ...

MLS#: X13035060
For Sale
Commercial for sale - 0 Bed, 0 Bath Home at 202-204 Queen Street St. Marys ON listed at $759,900 (MLS# X12930782)
$759,900Est. $2,529/mo
0bd
0ba
Commercial

202-204 Queen Street, St. Marys

Mar 27, 2026
DOM: 225

Good News For Investors! Located In The Heart Of St. Mary's, Ont, This Property Features 2 Ground-Le...

MLS#: X12930782
For Sale
Residential Freehold for sale - 4 Bed, 2 Bath Home at 120 Jones Street St. Marys ON listed at $729,900 (MLS# X12803360)
$729,900Est. $2,430/mo
4bd
2ba
1kt
Residential Freehold

120 Jones Street, St. Marys

Feb 19, 2026
DOM: 261

THIS UNIQUE PROPERTY LOCATED AT 120 JONES STREET WEST IS WALKING DISTANCE TO DOWNTOWN ST MARYS AND I...

MLS#: X12803360
For Sale
Residential Freehold for sale - 2 Bed, 2 Bath Home at 119 Glass Street St. Marys ON listed at $757,212 (MLS# X12514354)
Price Change
$757,212Est. $2,520/mo
2bd
2ba
1kt
Residential Freehold

119 Glass Street, St. Marys

Nov 4, 2025
DOM: 368

BRAND NEW HOME, NEWLY ADJUSTED PRICE! Take advantage of Ontario's latest announcement-now offering a...

MLS#: X12514354
For Sale
Commercial for sale - 0 Bed, 2 Bath Home at 141-143 Queen Street St. Marys ON listed at $599,900 (MLS# X12199534)
$599,900Est. $1,997/mo
0bd
2ba
Commercial

141-143 Queen Street, St. Marys

Jun 5, 2025
DOM: 520

Incredible opportunity in the vibrant core of downtown St. Marys with great exposure! This versatile...

MLS#: X12199534
For Sale
St Marys Market Intelligence

Buying & Investing in Homes For Sale Under $800,000 in St Marys, ON

City Benchmark Price$850,000

Inventory & Competition

Properties matching homes for sale under $800,000 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.

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