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310-3100 Steeles Ave W, Vaughan, ON, L4K 3R1
905-553-8500info@summitly.ca

©2026 Summitly. All rights reserved. Coldwell Banker Summit Realty, Brokerage — RECO Registration #6018570.

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Listing data is provided by the Toronto Regional Real Estate Board (TRREB) via PropTx and is deemed reliable but not guaranteed. Coldwell Banker Summit Realty, Brokerage — an independently owned and operated Coldwell Banker franchise.

REALTOR® Disclosure▾

For listings in Canada, the trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by The Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by CREA and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.

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    For sale On market 96 daysPrice drop · $15,000 off (-2.1%)

    129 Heydon Avenue

    ·New Tecumseth, ON··

    • 3 beds
    New Tecumseth real estate›N12927152
    • Overview
    • History
    • Details
    • Location
    • Mortgage
    • Investment
    • Comparables
    • FAQ
    Open house & tour

    3 upcoming open houses

    Drop in during an open house, or tour online — no appointment needed.

    • Open house
      Date TBD
      Time TBD
    • Open house
      Date TBD
      Time TBD
    • Open house
      Date TBD
      Time TBD
    Overview

    What this listing tells us

    Property description

    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 natural light, creating a warm and welcoming atmosphere. Upstairs, you'll find generously sized bedrooms, including a comfortable primary retreat with plenty of closet space. The finished lower level adds valuable living space-perfect for a rec room, home office, or gym.Outside, enjoy a private backyard ideal for relaxing, entertaining, or family time.What truly sets this home apart is its unbeatable location. You're just minutes from everyday essentials including Honda of Canada Manufacturing, Zehrs Alliston, and the Alliston Memorial Hospital. Enjoy outdoor living with nearby green spaces like Riverdale Park and the scenic Nottawasaga River trails. Families will appreciate proximity to quality schools, while golfers can take advantage of nearby courses including Nottawasaga Inn Resort Golf Club.Plus, you're only a short drive to Barrie, Bradford, and Highway 400, making commuting and weekend plans effortless.A fantastic opportunity to own a move-in-ready home in a thriving, amenity-rich community-don't miss your chance to call this one yours. Roof (2022), AC (2022), Washer and Dryer (2023).

    Cleaned for readability — original MLS® text was lightly de-abbreviated and decapitalized.

    History

    Listing, price, and tax history

    Every previous listing of this property, every list-price change, and 5 years of estimated annual property tax — switch tabs to drill in.

    DateEventStatusPriceChangeMLS®View
    Jul 24, 2026Price reducedCurrentReduced$710,900−$15,000 (2.1%)N12927152This page
    Jul 22, 2026Previously listedNew$639,000 —N13594806View
    Mar 26, 2026ListedCurrentFor sale$725,900 —N12927152This page
    Sourced from MLS® · includes all previous listings of this property · tap View to open the archived listing in a new tab
    Property details

    Inside this property

    Systems, finishes, room dimensions, and building information — pulled from the full MLS® feed.

    Features & systems

    Heating, cooling, parking, exterior, lot, possession, and more.

    • Systems

      4
      Heating
      Forced Air
      Air conditioning
      Central Air
      Water source
      Municipal
      Sewer
    Location & lifestyle

    Getting around, schools & the block

    Walkability and transit, the nearest schools, an interactive map of the exact spot, and what's nearby.

    📍 129 Heydon Avenue
    Financials

    The money — monthly cost, mortgage & return

    Everything financial in one place: what you'd pay each month, a live mortgage calculator at the asking price, and what it could return as a rental.

    Cost of ownership

    A monthly snapshot at typical assumptions — personalize the mortgage just below.

    Est. monthly mortgage
    $3,492
    20% down · 25y · 5.50% — adjust below ↓
    Est. monthly property tax
    $274
    0.46% mill rate · ON
    The market

    How this home sits in the New Tecumseth market

    Live neighbourhood stats, the closed sales you'd negotiate against, and comparable active listings.

    The New Tecumseth market right now

    Average sold price, days on market, and closed-transaction count for New Tecumseth — sourced from MLS®.

    • Avg sold price
      $783,105
      Last 30 days
    • Median sold price
      $760,000
      Middle of the market
    • Days on market
      38 d
      Avg from list to close
    • Closed last 30d
      170
      MLS® transactions
    Full New Tecumseth market report
    Buy with Coldwell Banker Summit Realty

    We'll get you into 129 Heydon Avenue — the seller pays our commission

    On every MLS® listing in Canada, the seller's brokerage pays a cooperating commission to whoever brings the buyer. Buyer representation is free to you.

    Free buyer representation · Coldwell Banker® affiliate

    $0 to you. The seller pays our fee.

    On every MLS® listing in Canada, the seller's brokerage advertises a cooperating commission for the buyer's agent. A Coldwell Banker Summit Realty agent represents you — you owe us nothing.

    Call now
    Due diligence

    Property flags & disclosures

    An automated scan of public records and news for anything a buyer should know about this specific address — liens, outstanding work orders, or stigma-related history. We never invent flags.

    Nothing concerning surfaced — all clear.

    We scanned public records and news for liens, outstanding work orders, and stigma-related history (e.g. a former grow-op or fire) at 129 Heydon Avenue and found nothing flagged. We re-check automatically as new records publish.

    Frequently asked

    Common questions about this property

    Tap a question to expand the answer. Short, direct answers tuned for AI search and voice assistants.

    • How much is 129 Heydon Avenue listed for?

      129 Heydon Avenue is listed at $710,900 on the MLS® (listing N12927152). The price refreshes on Summitly within minutes of any MLS® change.

    • How many bedrooms, bathrooms, and square feet does 129 Heydon Avenue have?

    Coldwell Banker Summit Realty is a RECO-licensed Ontario real estate brokerage, independently owned and operated. Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Listing data is sourced from MLS® and is provided for informational purposes only — not guaranteed accurate by the MLS® or its members. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.

  1. 3 baths
  2. 1100-1500 sqft
  3. Detached
  4. Asking
    $710,900
    $0 / sqft · MLS® N12927152
    Chat Zara
  5. Zara AI Estimate
    Live · refreshes nightly
    Estimated value
    $783,105
    $720,457Confidence range$845,753
    Asking vs estimate
    ↓below
    −$72,205
    (-9.2%)
    Asking is below estimate
    Run the affordability numbers

    Based on the city's average sold price, adjusted for 3 bedrooms (no sqft on file).

    Market analytics

    Homes like this in New Tecumseth sell in about 38 days — this one has been listed 96 days.

    Avg sold price
    $783,105
    Median sold
    $760,000
    Avg days on market
    38
    Recently sold
    170
    See comparable sales
    AI highlights by Zara
    • Upstairs, you'll find generously sized bedrooms, including a comfortable primary retreat with plenty of closet space.
    • Enjoy outdoor living with nearby green spaces like Riverdale Park and the scenic Nottawasaga River trails.
    • Roof (2022), AC (2022), Washer and Dryer (2023).
    Ask Zara a follow-up
    Sewer
  6. Parking & garage

    4
    Garage
    Attached
    Garage spaces
    1
    Parking spaces
    5
    Driveway
    4
  7. Interior

    5
    Basement
    Finished, Apartment
    Family room
    Y
    Kitchens
    1
    Total rooms
    6
    Laundry level
    Lower Level
  8. Exterior & construction

    4
    Exterior
    Brick
    Roof
    Asphalt Shingle
    Foundation
    Poured Concrete
    Pool
    None
  9. Listing & possession

    3
    Possession
    2026-04-30T00:00:00.000-00:00
    Property style
    2-Storey
    Property class
    Detached
  10. Room-by-room · 7 rooms

    Every room with its dimensions, level, and notable features.

    Room dimensions

    Main level

    3 rooms
    • Kitchen
      breakfast area · backsplash · large window
      17.6 × 7.7 ft
    • Dining Room
      combined w/living · hardwood floor · large window
      10.8 × 8.2 ft
    • Living Room
      combined w/dining · hardwood floor · w/o to yard
      1568.2 × 11.1 ft

    Second level

    3 rooms
    • Bedroom 3
      closet · window
      10.8 × 8.7 ft
    • Bedroom 2
      closet · window
      10.5 × 8.8 ft
    • Primary Bedroom
      walk-in closet(s) · window
      13.6 × 10.3 ft

    Basement level

    1 room
    • Bedroom 4
      11.0 × 9.0 ft
    Combined estimate
    $3,766
    Mortgage + tax · before condo / insurance

    Mortgage & affordability

    Today's best Canadian rates from Mortgage Squad, then a live calculator — adjust down payment, amortization, and rate, and email yourself the report.

    Today's rates · Powered by Mortgage Squad
    350+ lender access · Best rate matched in 2 min
    Lock my rate
    • Best
      5-yr Fixed · Insured
      4.09%
      0.40% below banks
    • 5-yr Fixed · Conventional
      4.34%
      APR · OAC
    • 3-yr Fixed · Conventional
      4.49%
      APR · OAC
    • 5-yr Variable · Variable
      4.85%
      APR · OAC
    Rates indicative · Updated today · OAC, subject to underwritingSee all Mortgage Squad rates →
    Affordability calculator
    Estimated monthly payment
    $3,492
    /mo
    based on the purchase price of $710,900
    $142,180 cash
    $568,720 financed
    $479,012 total interest
    Monthly payment$3,492/ month
    Principal54%$568,720
    Interest46%$479,012

    20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.

    Email this mortgage report to yourself

    Save the full affordability breakdown — down payment, monthly, interest paid, and today's Mortgage Squad rate — in your inbox. Create a free Summitly account to save it, get rate-drop alerts, and build a shortlist.

    Create account & email meor send as guest
    Get pre-approved in minutes

    Know exactly what you can afford — a no-obligation pre-approval from Mortgage Squad.

    Get pre-approved

    Rental income & return

    What this home could rent for and the return at the asking price — an AI estimate against real property tax and condo fees.

    Est. monthly rent
    low–high
    Gross yield
    rent × 12 ÷ price
    Cap rate (est.)
    net of tax + fees

    AI estimate for discussion only — not an appraisal or investment advice. Yield and cap rate are derived from the estimated rent versus the asking price and real property tax.

    Comparable detacheds that just sold in New Tecumseth

    Swipe the closed sales, then use the table for a side-by-side $/sqft comparison against this home.

    • 15 Essa Road
      Sold
      Sign in for price
      15 Essa Road
      Detached
    • 39 Morrison Avenue
      Sold
      Sign in for price
      39 Morrison Avenue
      Detached
    • 35 Paddison Place
      Sold
      Sign in for price
      35 Paddison Place
      Detached
    • 41 Wolfe Avenue
      Sold
      Sign in for price
      41 Wolfe Avenue
      Detached
    • 29 McCullough Avenue
      Sold
      Sign in for price
      29 McCullough Avenue
      Detached
    • 52 Holt Drive
      Sold
      Sign in for price
      52 Holt Drive
      Detached
    AddressBd / BaSqftSold$/sqft% of askSold
    129 Heydon AvenueThis home3 / 311,001,500$710,900ask———
    15 Essa Road3 / 21,100—
    39 Morrison Avenue3 / 32,000—
    Sold prices are hidden under TRREB rules. Sign in to reveal them.

    More detacheds in New Tecumseth

    Active listings within ±20% of this asking price.

    • 4 Richmond Street
      $679,900
      4 Richmond Street
      Detached 3 2
    • 31 English Drive
      $799,500
      31 English Drive
      Detached 3 2
    • 234 Church Street
      $799,999
      234 Church Street
      Detached 2 2
    • 129 Heydon Avenue
      $639,000
      129 Heydon Avenue
      Detached 3 3
    • 46 CHURCH Street
      $689,000
      46 CHURCH Street
      Detached 3 2
    • 173 Church Street
      $749,900
      173 Church Street
      Detached 3 3
    AI-first listing data

    Zara's valuation, full price history, room insights, and live MLS® refresh — all in one feed. No more comparing 4 sites.

  11. One team, no handoffs

    Your realtor, mortgage broker, and offer-night closing team work side-by-side. One conversation, not three.

  12. Showings on YOUR schedule

    Same-day showings for shortlisted homes, evenings + weekends. Your Coldwell Banker Summit Realty agent coordinates with the listing brokerage.

  13. Mortgage that closes

    Pre-approval, rate hold, and 350+ lender access via Mortgage Squad Advisors — no juggling lender chats yourself.

  14. Public listing courtesy of LISTO INC. · displayed on Summitly per MLS® data-share rules

    129 Heydon Avenue is a 3-bedroom, 3-bath, 1100-1500 sqft. Full room dimensions and floor breakdown are in the 'Rooms' section of this page.

  15. When was 129 Heydon Avenue built?

    The year built for 129 Heydon Avenue isn't published in this MLS® feed — ask a Summitly realtor for the construction year from the seller's disclosure.

  16. What is the property tax for 129 Heydon Avenue?

    The 'Property tax' tab in the History section shows the most recent annual tax for 129 Heydon Avenue plus a 5-year breakdown with YoY % change. Monthly equivalent is shown alongside.

  17. How much would the monthly mortgage be on 129 Heydon Avenue?

    The affordability calculator on this page shows an estimated monthly mortgage for $710,900 at 20% down, 25-year amortization, and 5.5% rate. Adjust the sliders to model your own down payment and rate.

  18. Has 129 Heydon Avenue been sold before?

    The 'Listing history' tab above lists every previous MLS® listing of 129 Heydon Avenue with its list date, sold price (when sold), and final status. Each row is colour-coded with price-change arrows.

  19. What neighbourhood is 129 Heydon Avenue in?

    129 Heydon Avenue is in Alliston, New Tecumseth. The 'Neighbourhood' section below links to the live New Tecumseth real estate hub with average sold price, days on market, and current inventory.

  20. Is New Tecumseth a good place to live?

    New Tecumseth is one of ON's actively-tracked Summitly markets. The full New Tecumseth real estate hub covers live average sold price, days on market, and neighbourhood-level inventory.

  21. 35 Paddison Place
    4 / 4
    2,000
    —
    41 Wolfe Avenue4 / 32,000—
    29 McCullough Avenue3 / 31,500—
    52 Holt Drive4 / 32,000—