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.
102 Waterloo Street, St. Marys
4 bed, 2 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
43 Thomas Street, St. Marys
3 bed, 3 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
18 Robinson Street, St. Marys
4 bed, 2 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
131 Guest Court, St. Marys
2 bed, 2 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
224 Elizabeth Street, St. Marys
2 bed, 3 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
57 Parkhaven Crescent, St. Marys
3 bed, 3 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
5 Ridgewood Crescent, St. Marys
3 bed, 2 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
332 Widder Street, St. Marys
3 bed, 3 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
220 Elgin Street, St. Marys
4 bed, 3 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
202 Queen Street, St. Marys
4 bed, 4 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
321 Tracy Street, St. Marys
2 bed, 2 bath Att/Row/Townhouse for sale in St. Marys. View photos, price history, school ratings & sold comps.
318 Elizabeth Street, St. Marys
3 bed, 2 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
35 Thomas Street, St. Marys
2 bed, 2 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
178 Thomas Street, St. Marys
3 bed, 2 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
104 Ontario Street, St. Marys
3 bed, 2 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
189 Elizabeth Street, Unit 1C, St. Marys
2 bed, 2 bath Condo Apartment for sale in St. Marys. View photos, price history, school ratings & sold comps.
293 Wellington Street, St. Marys
3 bed, 3 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
113 Edison Street, St. Marys
3 bed, 3 bath Semi-Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
395 QUEEN Street, St. Marys
4 bed, 1 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
466 Water Street, St. Marys
3 bed, 3 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
202-204 Queen Street, St. Marys
Store W Apt/Office for sale in St. Marys. View photos, price history, school ratings & sold comps.
120 Jones Street, St. Marys
4 bed, 2 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
119 Glass Street, St. Marys
2 bed, 2 bath Detached for sale in St. Marys. View photos, price history, school ratings & sold comps.
141-143 Queen Street, St. Marys
2 bath Store W Apt/Office for sale in St. Marys. View photos, price history, school ratings & sold comps.
Buying Homes For Sale Under $800,000 in St Marys, ON (2026 Guide)
There are currently 24 active homes for sale under $800,000 on the MLS® in St Marys, ON with a city average list price of $850,000. Comparing lot widths, GO Station commute times, and recent street-level sold prices helps you spot the best value before making an offer.
Commuter & GO Transit Access
Convenient access to major GTA highways (401, 407, 403, and QEW) and regional GO Transit stations connecting St Marys commuters to downtown Toronto.
Local Parks & School Catchments
Close to local conservation areas, community recreation centres, trails, and well-rated elementary and secondary school catchments in St Marys.
Lot Widths & Housing Mix
Older established streets in St Marys offer wider 50 to 60+ ft mature lots, while newer master-planned subdivisions feature modern 30 to 36 ft energy-efficient layouts.
Common Questions About Homes For Sale Under $800,000 in St Marys
How many homes for sale under $800,000 are available in St Marys in 2026?
There are currently 24 active MLS® listings matching homes for sale under $800,000 in St Marys, ON. Inventory updates every 15 minutes directly from TRREB.
What is the average home price in St Marys right now?
The current benchmark list price across St Marys is $850,000. Prices for homes for sale under $800,000 vary depending on lot width, school catchment, and recent renovations.
Which neighborhoods in St Marys are best for homes for sale under $800,000?
Older established streets in St Marys offer wider 50 to 60+ ft mature lots, while newer master-planned subdivisions feature modern 30 to 36 ft energy-efficient layouts. Before submitting an offer, compare recent 30-day TRREB sold prices on the same street to make sure you don't overpay.