Your search has just ended at this rarely offered 2 bedroom 2 washroom unit. located in the heart of Downtown Markham, split bedroom design, open concept kitchen with huge island provides extra work space. 9 ft ceiling with upgraded hardwood flooring. Property is conveniently located to all amenities, shopping, grocery, theatre, eateries and more. Only a short distance to York University Markham Campus. Go Train Unionville Station is just minutes away and VIVA/YRT bus stop in front of the building. Easy access to Highway 7/Warden and 407. 24 hours security, gym, party room, visitor parking, guest suites, media room.
2 bedrooms, 2 bathrooms, about 900 sq ft, works out to roughly $853 per square foot, the bed-to-bath ratio is generous. Chat with Zara if you'd like a deeper read on whether this condo fits your budget and timing.
Inside 21 Upper Duke Cres #609
Every detail from the listing, in one place.
Type
Condo
Style
Apartment
Living space
900-999 sq ftas stated on the listing
Parking
1 spaceYes garage
Basement
None
Features & systems
Parking & garage
Garage
Yes
Parking spaces
1
Interior
Basement
None
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
Apartment
Property class
Condo Apartment
21 Upper Duke Cres #609 Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
Independent mortgage broker · OAC · rates subject to change and underwritingMortgage Squad →
Referral disclosure: Summitly may refer you to Mortgage Squad Advisors, an affiliated mortgage partner. You are free to choose any lender or mortgage professional.
Monthly cost
Enter a rate to see the monthly cost
An estimate, not a quote. Utilities and insurance are extra.
Affordability calculator
Estimated monthly payment
$3,773
/mo
based on the purchase price of $768,000
$153,600 cash
$614,400 financed
$517,486 total interest
Principal54%$614,400
Interest46%$517,486
20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.
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Figures are Summitly estimates for illustration only — not from TRREB or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.
Rental income potential
Est. monthly rent
low–high
Gross yield
rent × 12 ÷ price
Cap rate (est.)
net of tax + fees
Summitly AI estimate for discussion only — not from TRREB or the MLS® feed, and not an appraisal or investment advice. Yield and cap rate are derived from the estimated rent versus the asking price.
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Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Estimated values, AI insights, calculator results, and rental projections shown on this page are generated by Summitly and are not provided by, reviewed by, or sourced from TRREB, the MLS®, or the listing brokerage; they are not appraisals or opinions of value. 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.
Similar homes for sale nearby in Markham
Other 1–2 bed homes for sale in Markham around $768K.
Average days on market30Homes sold in about 30 days on average.
Sale-to-list ratio99.3%On average, homes sold below asking.
Active listings1,456Homes for sale here right now.
Median vs prior 90 days+2.3%Compared with May 6 – Aug 4, 2026: prices up.
Based on 1,293 sales from Aug 4 – Nov 2, 2026 (843 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
More in this building
3 for sale · 1 for rent at 21 Upper Duke Cres — plus its sale and lease history.
21 Upper Duke Cres #609 is listed at $768,000 (MLS® N13770170). Summitly updates the price as soon as the MLS® record changes.
Is $768,000 a good price for 21 Upper Duke Cres #609?
Summitly rates it Well Above Market: the asking price is 15% or more above Zara's estimate, an estimate built from recent sales in Markham. The rating is an automated opinion, not an appraisal; "What's it worth?" on this page shows how it is worked out. See Zara's estimate
Has the price of 21 Upper Duke Cres #609 changed?
No — 21 Upper Duke Cres #609 is still listed at its original asking price of $768,000.
How many bedrooms and bathrooms does 21 Upper Duke Cres #609 have?
21 Upper Duke Cres #609 has 2 bedrooms and 2 bathrooms, with about 900–999 square feet of living space. It is a condo in Markham.
Is 21 Upper Duke Cres #609 close to transit?
The nearest rapid-transit station is Unionville GO Station (Stouffville GO), about 1.2 km (about a 15-minute walk) in a straight line. Milliken GO Station is about 3.7 km, and Centennial GO Station is about 4.2 km. Distances are straight-line, not walking routes; check the transit agency for routes and schedules.
How much would the monthly mortgage be on 21 Upper Duke Cres #609?
About $3,773 a month — principal and interest on $768,000 with 20% down ($153,600), a 25-year amortization and an assumed 5.5% interest rate. The mortgage calculator on this page lets you change the down payment, amortization and rate.
How does 21 Upper Duke Cres #609 compare with other homes in Markham?
Its asking price of $768,000 is about 30% below the median sold price in Markham over the last 90 days, $1,095,000, across 1,293 closed sales on the TRREB MLS®. A city median mixes every type and size of home, so the comparable sales on this page are the closer guide.
Has 21 Upper Duke Cres #609 been sold before?
Yes — Summitly has 1 earlier MLS® listing of 21 Upper Duke Cres #609 on record. Their prices and dates are shown to signed-in members under TRREB rules: sign in free to see them in the Listing history above.
Where is 21 Upper Duke Cres #609?
21 Upper Duke Cres #609 is in Markham, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 21 Upper Duke Cres #609 been on the market?
53 days — 21 Upper Duke Cres #609 was listed on September 10, 2026.
What is the price per square foot of 21 Upper Duke Cres #609?
About $769 to $853 per square foot: the asking price of $768,000 over the 900–999 sq ft the listing gives as its size range.
Does 21 Upper Duke Cres #609 have parking or a garage?
Yes — the listing gives 1 parking space. Garage: Yes.
