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: March 26, 2026

39 Photos

120 Heydon Avenue, Simcoe, ON , MLS #N12887218 , Image - 1

120 Heydon Avenue Alliston, New Tecumseth, Simcoe, ON MLS® N12887218

Residential Freehold (Detached)

$699900.0

3 +1 Beds
3 Baths
1100-1500 sq-ft

A must see!!! Gorgeous Detached for the price of a townhouse! The perfect home for first-time buyers to build equity and raise a family. The main floo

44 Photos

41 Treetops Boulevard, Simcoe, ON , MLS #N12655124 , Image - 1

41 Treetops Boulevard Alliston, New Tecumseth, Simcoe, ON MLS® N12655124

Residential Freehold (Detached)

$1070000.0

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

Across the street from the park this 2410 sq ft ( per MPAC ) spacious 3 + 1 bedroom vs 4 smaller bedrooms, comes with over 600 sq ft of lower level fi

22 Photos

83 Willoughby Way, Simcoe, ON , MLS #N12821556 , Image - 1

83 Willoughby Way Alliston, New Tecumseth, Simcoe, ON MLS® N12821556

Residential Freehold (Detached)

$788000.0

3 Beds
3 Baths
1500-2000 sq-ft

Located in Alliston's prestigious Treetops community, 83 Willoughby Way offers a prime family-friendly location with fresh, move-in-ready finishes. In

42 Photos

39 Stoneham Street, Simcoe, ON , MLS #N12783454 , Image - 1

39 Stoneham Street Alliston, New Tecumseth, Simcoe, ON MLS® N12783454

Residential Freehold (Detached)

$869900.0

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

Welcome to 39 Stoneham St in Alliston - a bright and well-kept bungaloft perfect for first-time buyers, downsizers, or growing families. With over $70

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33 Photos

15 Union Boulevard, Simcoe, ON , MLS #S12922394 , Image - 1

15 Union Boulevard Wasaga Beach, Simcoe, ON MLS® S12922394

Residential Freehold (Detached)

$699900.0

3 Beds
2 Baths
1100-1500 sq-ft

If you've been waiting for the right bungalow in Wasaga Beach, this might be the one you don't want to miss. Built just a few years ago, this home off

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