Available on mobile

Take Summitly with you.

Browse listings, get instant alerts, and talk to your AI concierge — all from your pocket.

Download on theApp StoreGet it onGoogle Play

Weekly market briefing

The smartest move starts here.

Curated listings, price trends, and neighbourhood insights — delivered Sunday morning.

Summitly

Your trusted partner in real estate. We help you find your perfect home, make informed decisions, and connect with expert professionals across Canada.

Explore

Map SearchBrowse ListingsBrowse RentalsSold HomesOpen Houses

Sell & Rent

Sell Your HomeHome ValuationList Your Rental — FreeRental PricingRenting on Summitly

Resources

CalculatorsGet Pre-QualifiedNews & InsightsGuidesBlogAI ConciergeFranchise

Company

AboutContactFind a RealtorCareers — Join SummitlyFAQs
310-3100 Steeles Ave W, Vaughan, ON, L4K 3R1
905-553-8500info@summitly.ca

©2026 Summitly. All rights reserved. Coldwell Banker Summit Realty, Brokerage.

Privacy PolicyTerms of UseCookiesSitemap

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.

    Summitly Logo
    Buy
    Sell
    Rent
    Pre-con
    Meet ZaraMy HomeNews & Insights
    HomeBuySell
    For sale On market 12 days

    18 Lismer Court

    Unionville·Markham, ON·L3R 0G2·Near Kennedy and Highway 7

    • 5 beds
    Markham real estate›N13237550
    • 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

    Fabulous opportunity to own an exceptional family residence offering over 3,500 sqft of thoughtfully designed living space (on two levels) in the heart of prestigious Unionville, one of Markham's most sought-after & family-friendly communities. Located on a private court, this executive home is ripe and ready for any family's personal touches to make it all their own! This spacious 5-bedroom home is perfectly suited for large or multi-generational families, featuring a grand primary retreat complete with a private sitting room as well as a rare, separate access staircase to an oversized, private bonus bedroom on the second level with its own ensuite. This space provides ideal accommodations for extended family, guests, or a nanny's suite while the other four bedrooms offer comfort. flexibility and privacy in the main secondary level. Designed with a floor plan for both everyday living and year-round entertaining, the home boasts expansive principal rooms and a highly functional layout, presenting an excellent opportunity to personalize and update to suit your own style. Whether you envision modern elegance, timeless traditional design or a full contemporary transformation, the possibilities are truly endless. The main floor also features a main level private den/home office-ideal for today's work-from-home lifestyle, along with the convenience of a main-floor laundry/mud room with direct access to the garage. Large windows fill the home with natural light, creating a warm and inviting atmosphere throughout. This highly desirable neighbourhood offers more than just a home, it delivers a true lifestyle. You don't just live in Unionville, it becomes part of your everyday experience. Enjoy a vibrant community with year-round events, local festivals, charming streetscapes & all conveniences right at your doorstep. From shopping centres, restaurants, cafes, top schools, and rec facilities to Highways 407/404, GO Train, walking trails- who says you can't have it all?!

    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
    Jun 3, 2026ListedCurrentFor sale$1,488,800 —N13237550This 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

      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.

    📍 18 Lismer Court
    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
    $7,314
    20% down · 25y · 5.50% — adjust below ↓
    Est. monthly property tax
    $785
    0.63% 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
      $1,162,124
      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
      874
      MLS® transactions
    Full Markham market report
    Buy with Coldwell Banker Summit Realty

    We'll get you into 18 Lismer Court — 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 18 Lismer Court 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 18 Lismer Court listed for?

      18 Lismer Court is listed at $1,488,800 on the MLS® (listing N13237550). The price refreshes on Summitly within minutes of any MLS® change.

    • How many bedrooms, bathrooms, and square feet does 18 Lismer Court 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. 4 baths
  2. 3500-5000 sqft
  3. Detached
  4. Asking
    $1,488,800
    $0 / sqft · MLS® N13237550
    Chat Zara
  5. Zara AI Estimate
    Live · refreshes nightly
    Estimated value
    $1,580,489
    $1,454,050Confidence range$1,706,928
    Asking vs estimate
    ≈in-line
    −$91,689
    (-5.8%)
    Asking is in line
    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 12 days.

    Avg sold price
    $1,162,124
    Median sold
    $1,100,000
    Avg days on market
    28
    Recently sold
    874
    See comparable sales
    Walk through online
    Listing agent has provided a interactive tour
    Open virtual tour
    AI highlights by Zara
    • This space provides ideal accommodations for extended family, guests, or a nanny's suite while the other four bedrooms offer comfort. flexibility and privacy in the main secondary level.
    • The main floor also features a main level private den/home office-ideal for today's work-from-home lifestyle, along with the convenience of a main-floor laundry/mud room with direct access to the garage.
    • Large windows fill the home with natural light, creating a warm and inviting atmosphere throughout.
    • From shopping centres, restaurants, cafes, top schools, and rec facilities to Highways 407/404, GO Train, walking trails- who says you can't have it all?!
    Ask Zara a follow-up
    Municipal
    Sewer
    Sewer
  6. Parking & garage

    4
    Garage
    Attached
    Garage spaces
    2
    Parking spaces
    4
    Driveway
    2
  7. Interior

    6
    Basement
    Unfinished
    Family room
    Y
    Kitchens
    1
    Total rooms
    11
    Laundry level
    Main Level
    Elevator
    N
  8. Exterior & construction

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

    3
    Possession
    2026-07-01T00:00:00.000-00:00
    Property style
    2-Storey
    Property class
    Detached
  10. Room-by-room · 4 rooms

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

    Room dimensions

    Main level

    4 rooms
    • Living Room
      overlooks frontyard · combined w/dining · large window
      17.0 × 12.0 ft
    • Kitchen
      centre island · open concept · large window
      11.3 × 11.2 ft
    • Dining Room
      Combined w/Living
      15.0 × 12.0 ft
    • Breakfast
      w/o to patio · combined w/kitchen · combined w/family
      11.3 × 11.3 ft
    Combined estimate
    $8,099
    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
    $7,314
    /mo
    based on the purchase price of $1,488,800
    $297,760 cash
    $1,191,040 financed
    $1,003,168 total interest
    Monthly payment$7,314/ month
    Principal54%$1,191,040
    Interest46%$1,003,168

    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.

    • 2 Schooner Court
      Sold
      Sign in for price
      2 Schooner Court
      Detached
    • 16 Queensgate Court
      Sold
      Sign in for price
      16 Queensgate Court
      Detached
    • 9 Avoca Drive
      Sold
      Sign in for price
      9 Avoca Drive
      Detached
    • 20 Thimbleweed Street
      Sold
      Sign in for price
      20 Thimbleweed Street
      Detached
    • 124 Aitken Circle
      Sold
      Sign in for price
      124 Aitken Circle
      Detached
    • 64 Saffron Street
      Sold
      Sign in for price
      64 Saffron Street
      Detached
    AddressBd / BaSqftSold$/sqft% of askSold
    18 Lismer CourtThis home5 / 435,005,000$1,488,800ask———
    2 Schooner Court5 / 63,500—
    16 Queensgate Court4 / 62,500—
    Sold prices are hidden under TRREB rules. Sign in to reveal them.

    More detacheds in Markham

    Active listings within ±20% of this asking price.

    • 2 James Parrott Avenue
      $1,358,000
      2 James Parrott Avenue
      Detached 4 4
    • 24 William Grant Road
      $1,219,000
      24 William Grant Road
      Detached 4 4
    • 47 Randall Avenue
      $1,399,000
      47 Randall Avenue
      Detached 4 5
    • 220 Hazelton Avenue
      $1,598,000
      220 Hazelton Avenue
      Detached 4 3
    • 2 James Parrott Avenue
      $1,358,000
      2 James Parrott Avenue
      Detached 4 4
    • 9 Geddington Crescent
      $1,669,000
      9 Geddington Crescent
      Detached 5 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.

  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 RE/MAX ALL-STARS REALTY INC. · displayed on Summitly per MLS® data-share rules

    18 Lismer Court is a 5-bedroom, 4-bath, 3500-5000 sqft. Full room dimensions and floor breakdown are in the 'Rooms' section of this page.

  15. When was 18 Lismer Court built?

    The year built for 18 Lismer Court 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 18 Lismer Court?

    The 'Property tax' tab in the History section shows the most recent annual tax for 18 Lismer Court plus a 5-year breakdown with YoY % change. Monthly equivalent is shown alongside.

  17. How much would the monthly mortgage be on 18 Lismer Court?

    The affordability calculator on this page shows an estimated monthly mortgage for $1,488,800 at 20% down, 25-year amortization, and 5.5% rate. Adjust the sliders to model your own down payment and rate.

  18. Has 18 Lismer Court been sold before?

    The 'Listing history' tab above lists every previous MLS® listing of 18 Lismer Court with its list date, sold price (when sold), and final status. Each row is colour-coded with price-change arrows.

  19. What neighbourhood is 18 Lismer Court in?

    18 Lismer Court is in Unionville, Markham. The 'Neighbourhood' section below links to the live Markham real estate hub with average sold price, days on market, and current inventory.

  20. 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.

  21. 9 Avoca Drive
    4 / 3
    2,500
    —
    20 Thimbleweed Street4 / 52,500—
    124 Aitken Circle4 / 42,500—
    64 Saffron Street4 / 52,500—