20 Tanglewood Trail, Markham, ON
Thornlea, Markham · MLS® N13545274
About this home
In short
- Nestled on a premium ravine lot in a highly sought-after neighbourhood, this stunning executive family home offers over 5,200 sq. ft. of beautifully designed living...
- Designed to accommodate both everyday family living and effortless entertaining, the main level features impressive 9-foot ceilings, a spacious family room, a private...
- The luxurious primary retreat boasts a spa-inspired 5-piece ensuite, creating the perfect space to unwind.
- The finished basement extends the home's exceptional living space with a large recreation room, wet bar, sauna, wood burning fireplace and rough-in potential for a...
- Step outside to your own private backyard retreat, complete with a tranquil ravine setting, inground pool, hot tub, and pergola.
Nestled on a premium ravine lot in a highly sought-after neighbourhood, this stunning executive family home offers over 5,200 sq. ft. of beautifully designed living space, including approximately 3,500 sq. ft. above grade and a 1,762 sq. ft. basement. Designed to accommodate both everyday family living and effortless entertaining, the main level features impressive 9-foot ceilings, a spacious family room, a private den/home office, and a large eat-in kitchen with picturesque views of the backyard oasis, creating a bright and welcoming atmosphere throughout.Upstairs, you'll find generously sized bedrooms, the convenience of a second-floor laundry room, and the rare advantage of three full bathrooms. The luxurious primary retreat boasts a spa-inspired 5-piece ensuite, creating the perfect space to unwind.The finished basement extends the home's exceptional living space with a large recreation room, wet bar, sauna, wood burning fireplace and rough-in potential for a second kitchen-ideal for multigenerational living, guests, or entertaining on a grand scale.Step outside to your own private backyard retreat, complete with a tranquil ravine setting, inground pool, hot tub, and pergola. Located within a top-rated school district, this remarkable property offers the perfect combination of space, privacy, and family-friendly amenities in one of the area's most desirable communities. *Roof(2011), 2xCAC's(1x2017 & 1x2026) 2xFurnaces (1x2014 & 1x2026)
Key facts
- Property type
- Detached, 2-Storey
- MLS®
- N13545274
- Bedrooms
- 4
- Bathrooms
- 5 (1 half)
- Size
- 3000-3500 sq ft
- Lot
- 41.6 × 139.5 ft
- Cross streets
- Leslie/Greenlane
- Parking
- 2 garage · 6 parking (attached)
- Driveway
- Private Double
- Basement
- Finished
- Heating
- Forced Air
- A/C
- Central Air
- Exterior
- Brick
- Foundation
- Concrete
- Roof
- Shingles
- Sewer
- Sewer
- Pool
- Inground
- Property tax
- $10,546 / 2025
- Days on market
- 102
- Listing brokerage
- PAUL ZAMMIT REAL ESTATE LTD.
Rooms
laminate · pot lights · french doors
granite counters · stainless steel appl · pot lights
broadloom · dry bar · pot lights
closet · broadloom
mirrored closet · broadloom
3 pc ensuite · closet · broadloom
hardwood floor · gas fireplace · b/i bookcase
5 pc ensuite · walk-in closet(s) · overlooks ravine
laminate · pot lights · b/i bookcase
hardwood floor · b/i bookcase · pot lights
overlooks ravine · w/o to deck
Listed at $2,299,000. Going by how homes in Thornlea and the wider GTA have actually closed against their asking prices (about 97%, 6 local closings in 90 days), the likely sale price is near $2.23M, if it sells. A realistic range is $2.09M to $2.52M.
Independent value check: $1.94M. Without looking at the asking price, our model values the home itself about 16% below the ask (homes like it typically land between $1.81M and $2.03M).
Why $1.94M. The typical detached home sold in Thornlea over the past year went for about $1.58M (32 sales). What sets this one apart:
- ▲ Raises it stronglyIts tax bill, which follows the city's own assessment, is $10,546 a year; the typical home sold here pays about $7,900.
- ▲ Raises it slightlyIt is 3,000 to 3,500 sq ft; the typical home sold here is 2,500 to 3,000.
Longer on the market than typical. 102 days on the market against about 20 for homes like it here, and asking 19% above where comparable closings put it.
Total price vs nearby homes. Likely closing about $2.23M, from 6 recent closings in this pocket.
The market behind the math:
About 3.5 months of inventory: 7 detached homes for sale in the area against 6 closings in the last 90 days. Under two months favours sellers, over four favours buyers.
Price per square foot: this home lists at $707/sqft against an area asking average of $739/sqft.
- Ravine / green setting. This home is described as backing onto a ravine or green setting. The ravine backing is priced into the comparison. How much it is really worth depends on whether the house sits on table land with the slope well behind it, or drops away right behind it, and that part is my in-person call.
- Inground pool. Priced into the comparison on the assumption it is clean and modern. A pool costs more to build than resale pays back, and condition is the in-person call.
How this estimate is builtthe short version
This figure comes from a model built on about 44,000 recent GTA sales. It weighs this home’s tax assessment, size, age, location and features against what homes like it actually sold for, including sales in this neighbourhood.
It never sees the asking price. The 6 most comparable recent sales on their own, adjusted for size, beds, baths and lot, point to about $1.90M. Condition and finishes remain an in-person call.
What the listing highlights5 points to weigh
Claims from the listing, worth confirming in person. I can book you a private showing.
- Finished basement: added living space, worth checking ceiling height and that the work was permitted. Value driver
- Ravine lot: privacy and premium value, but confirm the buildable area and any conservation limits. Worth verifying
- Pool: lifestyle appeal, but adds maintenance, insurance, and resale is mixed. Weigh carefully
- Premium lot / gardens: lot size and privacy hold value and cannot be changed, verify frontage, depth, and any easements. Value driver
- Primary suite: a key comfort and resale feature. Lifestyle
Read this with carewhy it’s an estimate, not an appraisal
Priced above comparable homes overall, but the price per square foot ($707/sqft) is in line with the area, so you are paying for extra space rather than a premium.
Based on 6 comparable homes that sold in Thornlea over the past two years, from 52 closings there.
The closest active listings by size, beds, and price, so you can see what this home is up against.
Per square foot, these ask about $712/sqft; this home lists at $707/sqft. Size is part of the price story, not just the sticker.
The 4 closest active listings nearby.
See all comparable homesSold price trend
Median sold price for detached homes in Markham: $1.39M in September 2026, down 3% from a year ago, on 1,284 closings in 12 months.
Line: median sold price, each month averaged with its neighbours and weighted by closings. Bars: closings that month. Markham as a whole: the neighbourhood alone has too few closings for a line of its own.
Month by month
| Month | Median sold | Closings |
|---|---|---|
| October 2025 | $1.50M | 121 |
| November 2025 | $1.49M | 88 |
| December 2025 | $1.44M | 72 |
| January 2026 | $1.42M | 57 |
| February 2026 | $1.43M | 69 |
| March 2026 | $1.44M | 95 |
| April 2026 | $1.39M | 116 |
| May 2026 | $1.48M | 141 |
| June 2026 | $1.46M | 147 |
| July 2026 | $1.38M | 128 |
| August 2026 | $1.49M | 136 |
| September 2026 | $1.39M | 114 |
Neighbourhood & location
Thornlea, Markham, ON
Enter a workplace or destination and we’ll show the door-to-door time by car, transit and bike.
How asking prices compare in the closest areas to this home. Longer bars mean a pricier market.
Typical asking price of active listings of the same type, per area (outliers removed). Markham.
Get the full neighbourhood report (schools, parks, transit & safety) →
Affordability & Mortgage
Income needed assumes a ~32% GDS ratio; weekly is mortgage principal & interest only. Price ÷ income is the home price over the income needed. Fixed reference assumptions so listings compare on equal footing, not a lending decision.
Calculate and customize your mortgage and other expenses
Adjust the down payment, rate, and amortization, and add property tax, condo fees, and heating to see your true monthly cost.
Your numbers
Homes over $1.5M can't be insured, so 20% down or more is required.
Conventional (20%+ down). Best insured 5-year fixed 4.34% via Ratehub.ca (as of October 20, 2026); conventional rates run a little higher.
Mortgage amount $1,839,200 · 4.49% over 25 years
Total monthly cost
- Mortgage payment (monthly equivalent)
- $10,169
- Property tax
- $879
- Condo / maintenance fees
- $0
- Heating
- $0
- Estimated monthly cost
- $11,048
Add your own property tax, condo fees, and heating on the left for a sharper total.
One-time closing costs
- Ontario land transfer tax
- $43,950
- Estimated closing costs
- $43,950
Plus your down payment of $459,800. Legal fees, title insurance, and adjustments are extra and vary by deal.
Mortgage stress test
Lenders qualify you at the greater of your rate plus 2% or 5.25%. You do not pay this rate. It just shows you could still handle payments if rates rose, so aim to stay comfortable at this higher number.
Over the full 25 years
At the end of your 5-year term
- Total paid over the term
- $610,155
- Principal paid down
- $224,716
- Interest paid
- $385,439
- Balance remaining
- $1,614,484
Talk to Team Asgarian about your options
Rates and programs change often. We will connect you with a trusted mortgage professional and build a plan that fits your budget and goals.
Estimates only, not a mortgage quote or pre-approval. Figures use Canadian semi-annual compounding, current minimum down-payment rules, CMHC premium tiers, and Ontario (plus Toronto, when selected) land transfer tax. Actual rates, taxes, insurance, and closing costs vary by lender and property. Confirm every number with your mortgage professional.
Investor snapshot
Thinking of this home as an investment? We will pull real comparable rents and run the full numbers with you.
Talk about the numbersThe last 23 whole-home leases in Thornlea signed at a median of $4,216 a month; adjusted to this home for size, beds and baths, and for where rents stood the month each signed, that is $4,641. The gross yield above is on the asking price, before taxes and upkeep; the cap rate is after them. A finished basement or second suite can push real rent above it. Taxes, fees, and vacancy vary by property, and cap rate is before financing.
Helpful resources
All information deemed reliable but not guaranteed. For personal, non-commercial use only. Listing courtesy of PAUL ZAMMIT REAL ESTATE LTD.. MLS®/PropTx.