Potential! Potential! Potential! An Extraordinary Rare Downtown Property Situated on an Extra-Wide 24.5' x 135' Lot Boasting Over 3,300 Sq.Ft. of Prime Site Area. Tucked Away on Desirable, One-Way, Quiet Markham Street, this Detached Two-Story Home is Ready for Visionary Home Buyers, Custom Builders, or Multi-Unit Investors Looking to Create Something Truly Exceptional in one of Toronto's most Sought-After Neighbourhoods. Located within a Designated Major Transit Station Area (MTSA), Buyers may Explore Possible Options for Multi-Unit Residential Configurations, Including the Potential Conversion or Redevelopment of up to Four Units Under Current and Expanding Municipal Guidelines. Additionally, the Generous 135 Ft Lot Depth Currently Offers a Massive Separate Garage with Electricity or Could have Incredible Potential to Accommodate a Detached Rear Garden Suite or Secondary Structure, Subject to Site Evaluation and City Approvals. Enjoy an Incredible Urban Lifestyle with an Exceptional Walk Score just Steps from the Vibrant Dining, Independent Boutiques and Cultural Hub of Queen West and Dundas West, as well as the Expansive Green Space of Trinity Bellwoods Park.
3 bedrooms, 3 bathrooms, about 1,500 sq ft, works out to roughly $1,133 per square foot, the bed-to-bath ratio is generous. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 100 Markham St
Every detail from the listing, in one place.
Type
Detached
Style
2-Storey
Living space
1500-2000 sq ftas stated on the listing
Parking
4 spacesYes garage
Basement
Partially Finished, Development Potential
Features & systems
Parking & garage
Garage
Yes
Parking spaces
4
Interior
Basement
Partially Finished · Development Potential
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
2-Storey
Property class
Detached
100 Markham St Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® C14176804$1,699,900
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 100 Markham St Compares to the Toronto Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
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
$8,351
/mo
based on the purchase price of $1,699,900
$339,980 cash
$1,359,920 financed
$1,145,410 total interest
Principal54%$1,359,920
Interest46%$1,145,410
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.
For homeowners nearby
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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 Toronto
Other 3–5 bed homes for sale in Toronto around $1.7M.
Average days on market32Homes sold in about 32 days on average.
Sale-to-list ratio5253.8%On average, homes sold at or above asking.
Active listings14,196Homes for sale here right now.
Median vs prior 90 days−0.6%Compared with May 17 – Aug 15, 2026: prices down.
Based on 9,020 sales from Aug 15 – Nov 13, 2026 (7,222 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 100 Markham St
How much is 100 Markham St listed for?
100 Markham St is listed at $1,699,900 (MLS® C14176804). Summitly updates the price as soon as the MLS® record changes.
Is $1,699,900 a good price for 100 Markham St?
Summitly rates it Well Above Market: the asking price is 15% or more above Zara's estimate, an estimate built from recent sales in Toronto. 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 100 Markham St changed?
No — 100 Markham St is still listed at its original asking price of $1,699,900.
How many bedrooms and bathrooms does 100 Markham St have?
100 Markham St has 3 bedrooms and 3 bathrooms, with about 1,500–2,000 square feet of living space. It is a detached home in Toronto.
How much would the monthly mortgage be on 100 Markham St?
About $8,351 a month — principal and interest on $1,699,900 with 20% down ($339,980), 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.
Are there open houses at 100 Markham St?
Yes — Sunday, November 15, 12:00 PM – 4:00 PM. Open-house times come from the listing brokerage and can change, so check this page before you go, or book a private viewing.
How does 100 Markham St compare with other homes in Toronto?
Its asking price of $1,699,900 is about 102% above the median sold price in Toronto over the last 90 days, $840,000, across 9,020 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 100 Markham St been sold before?
Summitly has no earlier MLS® sale or lease of 100 Markham St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 100 Markham St?
100 Markham St is in Toronto, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 100 Markham St been on the market?
1 day — 100 Markham St was listed on November 12, 2026.
What is the price per square foot of 100 Markham St?
About $850 to $1,133 per square foot: the asking price of $1,699,900 over the 1,500–2,000 sq ft the listing gives as its size range.
Does 100 Markham St have parking or a garage?
Yes — the listing gives 4 parking spaces. Garage: Yes.
