Houses for Sale in Alton Caledon Under $3 Million

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Looking for houses under $3m for sale in Alton, Caledon? With Square Yards Canada, discover a vast range of properties within your budget in Alton across Toronto. If you plan to buy houses under $3m in Alton, Caledon, you can refine your search by property size, specific amenities, and property age. Filter the listings by the number of bedrooms, bathrooms, and surface area to match your requirements. Our listings feature a wide range of Alton houses for sale under $3m, including freehold properties, condos, and commercial spaces.

Last Updated: December 13, 2025

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55 William Crisp Drive, Peel, ON , MLS #W12587690 , Image - 1

55 William Crisp Drive Alton, Caledon, Peel, ON MLS® W12587690

Residential Freehold (Detached)

$1999900.0

5 Beds
5 Baths
3500-5000 sq-ft

Elegant Estate Home in Prestigious Community. Welcome to this Premium Estate home, offering the perfect blend of luxury, comfort, and convenience. Thi

42 Photos

1551 Queen Street E, Peel, ON , MLS #W12396965 , Image - 1

1551 Queen Street E Alton, Caledon, Peel, ON MLS® W12396965

Residential Freehold (Detached)

$749000.0

2 Beds
1 Baths
700-1100 sq-ft

Just imagine having your address in Alton! This charming little gem is priced to sell! Located in the Village of Alton, in the northwest corner of Cal

39 Photos

98 William Crisp Drive, Peel, ON , MLS #W12558298 , Image - 1

98 William Crisp Drive Alton, Caledon, Peel, ON MLS® W12558298

Residential Freehold (Detached)

$2099900.0

4 Beds
4 Baths
3000-3500 sq-ft

Client RemarksLuxury Executive Detached Estate Home In Prestigious Osprey Mills, 3252 Sqft Of Above Ground on 98' x 215' Estate Lot. Featuring 10 Ft M

31 Photos

53 Holly Lane, Peel, ON , MLS #W12542906 , Image - 1

53 Holly Lane Alton, Caledon, Peel, ON MLS® W12542906

Residential Freehold (Detached)

$2099999.0

4 Beds
4 Baths
3000-3500 sq-ft

Luxury Executive Detached Estate Home in the prestigious Osprey Mills community, situated on a spacious 3/4 acre lot. Offering 3,252 sq. ft. above gra

39 Photos

1380 Queen Street W, Peel, ON , MLS #W12393204 , Image - 1

1380 Queen Street W Alton, Caledon, Peel, ON MLS® W12393204

Residential Freehold (Detached)

$1215000.0

3 Beds
2 Baths
2000-2500 sq-ft

Elegantly perched on the hill, overlooking the lower Mill Pond, is this charming 3-bed, 1.5 bath, stone residence, known as the Algie Family House, wi

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