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

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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 Listed 5 days ago

    346 Castan Avenue

    Village Green-South Unionville·Markham, ON·L3R 4S3·Near Kennedy / Hwy 7

    • 5 beds
    Markham real estate›N13477084
    • 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

    Spacious 5-Bedroom Green Park Home in Prestigious South Unionville. Welcome to this sunfilled, south-facing gem in a top-tier school zone! Recently refreshed with new paint, new kitchen cabinet doors, and sleek granite countertops, this home is truly move-in ready. The functional layout features 9-foot ceilings on the main floor and gleaming hardwood throughout. Rare and highly desirable, every bedroom includes an ensuite or semi-ensuite for ultimate privacy. The professionally finished basement offers a self-contained apartment with a separate entrance, perfect for extended family or potential income. Step outside to your extra-deep backyard-a blank canvas to build your private oasis. Unbeatable location within walking distance to Markville High, T&T, Foody Mart, Markville Mall, Pan Am Center, South Unionville Pond, Milne Dam Conservation Park, Go Train and other amenities. Check out this link for seasonal scenery https://youtu.be/SKDZNaSbC4I?si=jb7JNoxb-9fQrd2z

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

    AI highlights by Zara
    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
    Jun 22, 2026ListedCurrentFor sale$1,890,000 —N13477084This page
    May 7, 2026Previously listedSus$1,998,000 —N13105278View
    Apr 17, 2026Previously listedTer$1,998,000 —N13020290View
    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

      5
      Heating
      Forced Air
      Air conditioning
      Central Air
      Fireplaces
      1
      Water source
    Location & lifestyle

    Getting around, schools & the block

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

    📍 346 Castan Avenue
    What's nearby

    Points of interest classified by the MLS® feed.

    • School Bus Route
    • River/Stream
    • Wooded/Treed
    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
    $9,285
    20% down · 25y · 5.50% — adjust below ↓
    Est. monthly property tax
    $785
    0.50% mill rate · ON
    The market

    How this home sits in the Markham market

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

    The Markham market right now

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

    • Avg sold price
      $1,165,220
      Last 30 days
    • Median sold price
      $1,100,000
      Middle of the market
    • Days on market
      28 d
      Avg from list to close
    • Closed last 30d
      863
      MLS® transactions
    Full Markham market report
    Buy with Coldwell Banker Summit Realty

    We'll get you into 346 Castan 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 346 Castan 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 346 Castan Avenue listed for?

      346 Castan Avenue is listed at $1,890,000 on the MLS® (listing N13477084). The price refreshes on Summitly within minutes of any MLS® change.

    • How many bedrooms, bathrooms, and square feet does 346 Castan 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. 5 baths
  2. 3000-3500 sqft
  3. Detached
  4. Built 16-30
  5. Asking
    $1,890,000
    $0 / sqft · MLS® N13477084
    Chat Zara
  6. Zara AI Estimate
    Live · refreshes nightly
    Estimated value
    $1,584,699
    $1,457,923Confidence range$1,711,475
    Asking vs estimate
    ↑↑well-above
    +$305,301
    (+19.3%)
    Asking is well above
    Run the affordability numbers

    Based on the city's average sold price, adjusted for 5 bedrooms (no sqft on file).

    Market analytics

    Homes like this in Markham sell in about 28 days — this one has been listed 5 days.

    Avg sold price
    $1,165,220
    Median sold
    $1,100,000
    Avg days on market
    28
    Recently sold
    863
    See comparable sales
    Spacious 5-Bedroom Green Park Home in Prestigious South Unionville.
  7. Welcome to this sunfilled, south-facing gem in a top-tier school zone!
  8. The functional layout features 9-foot ceilings on the main floor and gleaming hardwood throughout.
  9. The professionally finished basement offers a self-contained apartment with a separate entrance, perfect for extended family or potential income.
  10. Ask Zara a follow-up
    Municipal
    Sewer
    Sewer
  11. Parking & garage

    4
    Garage
    Built-In
    Garage spaces
    2
    Parking spaces
    4
    Driveway
    Private Double
  12. Interior

    5
    Basement
    Finished, Separate Entrance
    Family room
    Y
    Kitchens
    1
    Total rooms
    10
    Laundry level
    Lower Level
  13. Exterior & construction

    4
    Exterior
    Brick, Stone
    Roof
    Asphalt Shingle
    Foundation
    Concrete
    Pool
    None
  14. Lot & land

    1
    Year built
    16-30
  15. Listing & possession

    3
    Possession
    2026-08-31T00:00:00.000-00:00
    Property style
    2-Storey
    Property class
    Detached
  16. Room-by-room · 13 rooms

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

    Room dimensions

    Main level

    5 rooms
    • Family Room
      hardwood floor · window · gas fireplace
      18.7 × 11.8 ft
    • Kitchen
      eat-in kitchen · pantry · w/o to yard
      13.7 × 19.0 ft
    • Living Room
      hardwood floor · window · combined w/dining
      25.0 × 10.8 ft
    • Library
      hardwood floor · window · french doors
      10.0 × 9.0 ft
    • Dining Room
      hardwood floor · window · combined w/living
      25.0 × 10.8 ft

    Second level

    5 rooms
    • Primary Bedroom
      hardwood floor · 5 pc ensuite · walk-in closet(s)
      21.0 × 15.0 ft
    • Bedroom 2
      hardwood floor · semi ensuite · walk-in closet(s)
      14.3 × 12.0 ft
    • Bedroom 4
      hardwood floor · semi ensuite · closet
      15.1 × 11.0 ft
    • Bedroom 5
      hardwood floor · semi ensuite · closet
      13.5 × 10.8 ft
    • Bedroom 3
      hardwood floor · semi ensuite · closet
      15.1 × 12.0 ft

    Basement level

    3 rooms
    • Bedroom
      ceramic floor · window · pot lights
      11.6 × 11.1 ft
    • Recreation
      ceramic floor · window · pot lights
      19.8 × 14.3 ft
    • Kitchen
      ceramic floor · eat-in kitchen · pot lights
      20.2 × 12.9 ft
    Combined estimate
    $10,070
    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
    $9,285
    /mo
    based on the purchase price of $1,890,000
    $378,000 cash
    $1,512,000 financed
    $1,273,501 total interest
    Monthly payment$9,285/ month
    Principal54%$1,512,000
    Interest46%$1,273,501

    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 Markham

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

    • 50 Meyer Circle
      Sold
      Sign in for price
      50 Meyer Circle
      Detached
    • 68 Tranquility Crescent
      Sold
      Sign in for price
      68 Tranquility Crescent
      Detached
    • 42 Begonia Street
      Sold
      Sign in for price
      42 Begonia Street
      Detached
    • 139 Larkin Avenue
      Sold
      Sign in for price
      139 Larkin Avenue
      Detached
    • 24 Majestic Drive
      Sold
      Sign in for price
      24 Majestic Drive
      Detached
    • 99 Prospectors Drive
      Sold
      Sign in for price
      99 Prospectors Drive
      Detached
    AddressBd / BaSqftSold$/sqft% of askSold
    346 Castan AvenueThis home5 / 530,003,500$1,890,000ask———
    50 Meyer Circle4 / 41,500—
    68 Tranquility Crescent4 / 53,500—
    Sold prices are hidden under TRREB rules. Sign in to reveal them.

    More detacheds in Markham

    Active listings within ±20% of this asking price.

    • 55 Aberfeldy Crescent
      $1,589,000
      55 Aberfeldy Crescent
      Detached 4 3
    • 9 Amos Court
      $1,578,000
      9 Amos Court
      Detached 4 3
    • 26 Carolina Rose Crescent
      $1,660,000
      26 Carolina Rose Crescent
      Detached 4 5
    • 14 Carlton Road
      $1,760,000
      14 Carlton Road
      Detached 4 4
    • 15 Sedore Street
      $1,679,000
      15 Sedore Street
      Detached 5 4
    • 73 Manila Avenue
      $1,780,000
      73 Manila Avenue
      Detached 4 6
    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.

  17. One team, no handoffs

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

  18. Showings on YOUR schedule

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

  19. Mortgage that closes

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

  20. Public listing courtesy of BAY STREET GROUP INC. · displayed on Summitly per MLS® data-share rules

    346 Castan Avenue is a 5-bedroom, 5-bath, 3000-3500 sqft. Full room dimensions and floor breakdown are in the 'Rooms' section of this page.

  21. When was 346 Castan Avenue built?

    346 Castan Avenue was built in 16-30. Construction style, foundation, roof material, and EnerGuide rating (when published) are in the 'Features' section above.

  22. What is the property tax for 346 Castan Avenue?

    The 'Property tax' tab in the History section shows the most recent annual tax for 346 Castan Avenue plus a 5-year breakdown with YoY % change. Monthly equivalent is shown alongside.

  23. How much would the monthly mortgage be on 346 Castan Avenue?

    The affordability calculator on this page shows an estimated monthly mortgage for $1,890,000 at 20% down, 25-year amortization, and 5.5% rate. Adjust the sliders to model your own down payment and rate.

  24. Has 346 Castan Avenue been sold before?

    The 'Listing history' tab above lists every previous MLS® listing of 346 Castan Avenue with its list date, sold price (when sold), and final status. Each row is colour-coded with price-change arrows.

  25. What neighbourhood is 346 Castan Avenue in?

    346 Castan Avenue is in Village Green-South Unionville, Markham. The 'Neighbourhood' section below links to the live Markham real estate hub with average sold price, days on market, and current inventory.

  26. Is Markham a good place to live?

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

  27. 42 Begonia Street
    5 / 5
    3,500
    —
    139 Larkin Avenue4 / 43,000—
    24 Majestic Drive4 / 32,500—
    99 Prospectors Drive4 / 32,000—