Houses for Sale in Perth South ON Under $800K

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Are you looking for houses under $800k for sale in Perth South ON? Square Yards Canada offers a wide selection of properties that cater to various budgets in Perth South. Browse through detailed listings with HD images and guides to find the ideal property that fits your budget and preferences in Perth South. Whether you’re looking to buy houses under under $800k in Perth South ON for residential living or as investment opportunities, our listings allow you to filter by amenities, property age, number of bedrooms and much more. Explore a diverse range of Perth South houses for sale under under $800k, including freehold homes, condos, and commercial properties.

Last Updated: August 12, 2026

47 Photos

1801 Perth Road 139 Rr 6 Road, Perth, ON , MLS #X13657534 , Image - 1

1801 Perth Road 139 Rr 6 Road Blanshard, Perth South, Perth, ON MLS® X13657534

Residential Freehold (Detached)

$614900.0

3 Beds
1 Baths
1100-1500 sq-ft

Welcome to 1801 Perth Road 139, just west of St. Marys in the charming village of Rannoch; offering the perfect blend of comfort, privacy, and country

8 Photos

3180 RD 122 N/A, Perth, ON , MLS #X12101423 , Image - 1

3180 RD 122 N/A Downie, Perth South, Perth, ON MLS® X12101423

Residential Freehold (Vacant Land)

$369900.0

< 700 sq-ft

Half-acre building lot in a quiet hamlet setting. If you've been looking to build but haven't found the perfect lot, this is an excellent opportunity.

35 Photos

4722 Perth Line 20 Line, Perth, ON , MLS #X12968892 , Image - 1

4722 Perth Line 20 Line Downie, Perth South, Perth, ON MLS® X12968892

Residential Freehold (Detached)

$799000.0

Price drop by 9.9%

3 Beds
2 Baths
1500-2000 sq-ft

Welcome to this Charming Country Gem! This beautifully updated yellow brick two-storey home set on a picturesque 1.15 acre lot, is located on a paved

47 Photos

2237 Perth 118 Road, Perth, ON , MLS #X13580304 , Image - 1

2237 Perth 118 Road Downie, Perth South, Perth, ON MLS® X13580304

Residential Freehold (Detached)

$799900.0

2 +1 Beds
2 Baths
1100-1500 sq-ft

Enjoy the peace and space of country living on this well cared for raised bungalow, situated on just over half an acre with beautiful gardens and a pr