3 Bedroom Houses for Sale in Alliston New Tecumseth

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Explore an array of over 5 properties, each equipped with various amenities, to discover the finest 3 bedrooms houses for sale in Alliston, New Tecumseth that align with your preferences. Our broad selection of 3 bedrooms for sale in Alliston, New Tecumseth offers diverse sizes and adaptable budget options, simplifying the process to buy 3 bedrooms houses in Alliston, New Tecumseth. High-definition images and comprehensive brochures give you a thorough look at each property. Perfect for smaller families, you can fine-tune your search by filtering 3 bedrooms house prices in Alliston, New Tecumseth and property age and features to find the best properties across Ontario.

Last Updated: June 25, 2026

37 Photos

85 Anderson Road, Simcoe, ON , MLS #N13428386 , Image - 1

85 Anderson Road Alliston, New Tecumseth, Simcoe, ON MLS® N13428386

Residential Freehold (Detached)

$849999.0

3 +1 Beds
4 Baths
1500-2000 sq-ft

Welcome to this stunning 'Carlton' model detached home, where comfort, style, and functionality meet. Featuring 3+1 bedrooms and 4 baths, this home bo

44 Photos

41 Treetops Boulevard, Simcoe, ON , MLS #N12945782 , Image - 1

41 Treetops Boulevard Alliston, New Tecumseth, Simcoe, ON MLS® N12945782

Residential Freehold (Detached)

$999000.0

3 +1 Beds
4 Baths
2000-2500 sq-ft

Sun-filled 3+1 bedroom + office home fronting a park in Treetops and giving you flexible 3 + 1 bedroom + office living. Over 3,000 sq ft of living spa

44 Photos

43 Buchanan Drive, Simcoe, ON , MLS #N12933958 , Image - 1

43 Buchanan Drive Alliston, New Tecumseth, Simcoe, ON MLS® N12933958

Residential Freehold (Detached)

$789900.0

3 Beds
3 Baths
1500-2000 sq-ft

Spacious, Detached, and All-Brick! This 3-bed, 3-bath Alliston gem offers 1,670 sq. ft. of quality craftsmanship. Unlike many newer builds, this prope

34 Photos

137 Queen Street, Simcoe, ON , MLS #N13100398 , Image - 1

137 Queen Street Alliston, New Tecumseth, Simcoe, ON MLS® N13100398

Residential Freehold (Detached)

$825000.0

3 +1 Beds
2 Baths
1500-2000 sq-ft

Welcome to 137 Queen Street, a bright and beautifully maintained 3 + 1-bedroom, 2-washroom backsplit in the heart of Alliston. This inviting home feat

24 Photos

46 Church Street S, Simcoe, ON , MLS #N13089176 , Image - 1

46 Church Street S Alliston, New Tecumseth, Simcoe, ON MLS® N13089176

Residential Freehold (Detached)

$699900.0

3 +0 Beds
2 Baths
1100-1500 sq-ft

Step into this beautifully renovated, move-in-ready 3-bedroom, 1.5-bathroom home that perfectly blends historic character with modern updates. Located

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