129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
129 Heydon Avenue
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41 photos

129 Heydon Avenue

Alliston, New Tecumseth, ON
Listed 92 days ago
$710,900
$602,169Estimated value
3+1Bedrooms
3Bathrooms
1100-1500 sqftSize
5 (1 garage)Parking
30 ft × 112 ftLot Size
DetachedProperty Type

129 Heydon Avenue

New Tecumseth, ON · Alliston

Listed 92 days ago
Bedrooms3+1
Bathrooms3
Size1100-1500 sqft
Parking5 (1 garage)
Lot Size30 ft × 112 ft
Property TypeDetached
$710,900
MLS# N12927152
$602,169Estimated value

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About this home

Welcome to 129 Heydon Ave, a beautifully maintained detached home nestled in the heart of Alliston-one of New Tecumseth's most family-friendly and rapidly growing communities.This charming 2-storey home offers 3 spacious bedrooms and 2 bathrooms, with an additional 4 bedroom in the basement along with a 3 piece bathroom with stand up shower, perfectly suited for growing families, first-time buyers, or those looking to right-size without compromise. Step inside to a bright and functional layout featuring an inviting main floor with a seamless flow between the living and dining areas-ideal for both everyday living and entertaining.The kitchen is designed for convenience and comfort, with ample cabinetry and space for casual dining, while large windows throughout the home fill the space with…

Features & Details

Property Type
Detached
Tax
$3,283 / 2025
Size
1100-1500 sqft
Lot Size
29.53 x 111.97 Feet
Basement Info
Finished, Apartment
Total Parking Spaces
5 (1 Garage)
Title
Residential Freehold
Property Style
2-Storey
Community
Alliston
Municipality
New Tecumseth
Construction
Brick
Cross Street
King St. N and Essa Rd.
Front Door Facing
East
Lot Legal Description
PT LT 6 PL 51M413 PT 3 51R20806; ALLISTON
Data Source
Toronto Regional Real Estate Board
Brokerage
LISTO INC.
Listed On
Mar 27, 2026
Listing Expires On
Jun 30, 2026
Listing Updated On
May 20, 2026
Bedrooms
3+1
Bathrooms
3
Kitchens
1
Rooms
6
Bathroom Detail
2 Pcs on Main Level
Bathroom Detail
3 Pcs on 2nd Level
Bathroom Detail
3 Pcs on Basement Level
Garage Type
Attached
Garage
1
Parking
5
Heating
Forced Air
Heat Source
Gas
Cooling
Central Air
Sewer
Sewer
Den / Family Room
Yes
Fireplace
Electric
Swimming Pool
None
Roof Material
Asphalt Shingle
Foundation Type
Poured Concrete
Interior Features
Water Heater

Listing History

Active92 days on marketCurrently viewingMLS #N12927152
May 20, 20261 month ago
Price Changed
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Mar 27, 20263 months ago
Listed for Sale
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This is the only listing record currently available for this property.

Estimate History

Estimated value, last 24 months
Jul 2024 – Jun 2026
$686K
$644K
$601K
$559K
Jul
Dec
May
Oct
Mar
Jun

Automated estimate from Polsinello Predictive AI. Not an appraisal. Actual market value may differ.

Mortgage calculator

Estimated monthly payment
$3,468

Estimated payment. Does not include property tax, insurance, or condo fees.

Location & nearby

Alliston Real Estate Market

New Tecumseth · last 90 days
$724,925
Median sold price
-18.2%
Median price, year over year
29 days
Avg days on market
59
Homes sold (90 days)
10%
Sold above asking
86%
Sold below asking
$397–$529/ft²
Price per sq ft
Median price trend
Jun 2025 – Jun 2026
$918K
$830K
$742K
$655K
Jun
Sep
Dec
Mar
Jun

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(905) 830-9111