143 Dudley Ave
Thornhill, Markham, Ontario L3T 2E5
- Bedrooms
- 3+1
- Bathrooms
- 2
- Size
- 1,100–1,500sq ft
- Per sq ft
- $1,192at the range’s middle
- Lot
- Under 0.50 acres
- Tax a year
- $7,8052026 tax year
- Built
- 51-99
- Parking
- 82 detached
- Days on market
- Members
The brief
About 143 Dudley Ave
143 Dudley Ave is a 3+1-bedroom, 2-bathroom detached house in Thornhill, Markham, listed for sale at an asking price of $1,549,000 (MLS® N13717728).
The Perfect Family Home Is Here! Welcome to 143 Dudley Avenue, a spacious 3+1-bedroom bungalow situated on an impressive 65.5-by-150-foot lot in the heart of Thornhill. A large, inviting front porch leads into a beautifully renovated & maintained interior showcasing hardwood floors & crown moulding across both levels, complemented by elegant wainscoting along the main-floor hallways. The bright living room features a large picture window, while the dining room provides a welcoming setting for family meals & entertaining. The exquisite kitchen offers marble countertops, a ceramic backsplash, stainless steel appliances & a sun-filled breakfast nook. All three main-floor bedrooms feature generous closet space, windows and crown moulding, while the three-piece bathroom is finished with ceramic flooring, a matching backsplash, vanity & window. A separate entrance leads to the full & finished lower level, offering above-grade windows, hardwood floors & crown moulding. The expansive recreation area includes a sink for future wet-bar possibilities, accompanied by a three-piece bathroom with a pedestal sink & frameless glass walk-in shower, a large bedroom & an adjoining room ideal for an office or additional living area. The oversized laundry room provides cabinetry, a laundry sink, above-grade windows and a separate shower-especially convenient after enjoying the gated inground pool. Outdoors, discover a private, fully fenced backyard oasis with an elevated deck, landscaped grounds and a large storage shed. A detached two-car garage, private double driveway & parking for up to eight vehicles add exceptional convenience. Close to Woodland Park, Pomona Mills Park, Thornhill Park, The Thornhill Club, Ladies' Golf Club of Toronto, Thornhill Secondary School, E.J. Sand Public School, Baythorn Public School & Henderson Avenue Public School. YRT/Viva transit, TTC near & Highways 7, 404 & 407, with the future Clark Station on the planned TTC Yonge North Subway Extension nearby.
Insights
Condition Score
Good73/1001 documented update signal
Source: Listing age, structured features and disclosed update language; not an inspection.
Cashflow Quality
Shortfall10/100−$3,842/mo against the cost of owning (20% down, 4.8%, 25 yrs)
Source: Median of 39 detached homes with 4 bedrooms for lease in Markham right now. Cost of owning counts the mortgage and property tax.
Condition uses listing-record signals, not an inspection.
The home
Key facts
- Tax
- $7,805 / 2026
- MLS® number
- N13717728
- Board
- TRREB MLS®
- Property Type
- Detached
- Building Age
- 51-99
- Days on market
- Size
- 1100-1500 sqft
- Lot Size
- 65.57 x 150.45 ft
- Listed on
- Parking
- 2 Detached, 8 Parking
Property details
Property
- Property Type
- Detached
- Style
- Bungalow
- Community
- Thornhill
- Municipality
- Markham
Building
- Size
- 1100-1500 sqft
- Building Age
- 51-99
- Construction
- Brick
Inside
- Bedrooms
- 3+1
- Bathrooms
- 2
- Bathroom Details
- 1 × 3pc Main, 1 × 3pc Bsmt
- Basement Type
- Finished
- Kitchens
- 1
Parking
- Driveway
- Pvt Double
- Garage Type
- Detached
- Garage
- 2
- Additional Parking
- 6
- Total Parking
- 8
Utilities
- Water
- Municipal
- Cooling
- Central Air
- Heating Type
- Forced Air
Land
- Sewer
- Sewers
- Frontage
- 65.57 ft
- Depth
- 150.45 ft
- Lot Size
- 65.57 x 150.45 ft
Additional
- Foundation
- Block
- Roof
- Asphalt Shingle
- Fireplace
- No
- Pool
- Inground, Outdoor
- Den
- No
- Family room
- No
- Extras
- All appliances (Stainless Steel: fridge, stove, range hood dishwasher; washer & dryer), auto garage door opener with 2 remotes, A/C (6 yrs), Furnace (2.5 yrs), all electrical light fixtures, all window coverings
Rooms
| Room | Size | Features | Level |
|---|---|---|---|
| Living | 3.99 × 4.09 m | Picture Window, Crown Moulding, hardwood floor | Main |
| Dining | 2.84 × 3.05 m | Crown Moulding, Window, hardwood floor | Main |
| Kitchen | 3.35 × 3.68 m | Marble Counter, Ceramic Back Splash, Stainless Steel Appl | Main |
| Breakfast | 2.24 × 2.64 m | Large Window, Crown Moulding, hardwood floor | Main |
| Primary | 4.11 × 2.74 m | Double Closet, Crown Moulding, hardwood floor | Main |
| 2nd Br | 3.66 × 3.3 m | Large Closet, Crown Moulding, hardwood floor | Main |
| 3rd Br | 3.02 × 3.99 m | Double Closet, Crown Moulding, hardwood floor | Main |
| Bathroom | 2.01 × 2.24 m | 3 Pc Bath, B/I Vanity, Ceramic Floor | Main |
| Rec | 10.69 × 5.51 m | Crown Moulding, hardwood floor, Wet Bar | Bsmt |
| Br | 3.96 × 4.37 m | hardwood floor, Above Grade Window, Crown Moulding | Bsmt |
| Bathroom | 2.39 × 1.14 m | 3 Pc Bath, Separate Shower, Pedestal Sink | Bsmt |
| Laundry | 5.18 × 2.26 m | Separate Shower, Above Grade Window, Laundry Sink | Bsmt |
Listing history
Buy/sell history for 143 Dudley Ave, Markham, Ontario
Sale history on this site covers the last 2 years, the window permitted under the TRREB MLS® VOW agreement.
| Date Start | Date End | List Price | Price | Event | Listing ID |
|---|---|---|---|---|---|
| Date StartN/A | N/A | $1,549,000 | N/A | Pc | N13717728 |
Members see the full history. Prices are hidden from signed-out visitors.
The numbers
Mortgage Calculator
Plan with the current asking price
CMHC insurance: not required at 20% down. Payments use Canadian semi-annual compounding.
Mortgage Details
4.8% · 5-year term · 25-year amortization · 20% down
- Total down payment
- $309,800
- Total mortgage amount
- $1,239,200
- Total interest payment
- $880,900
- Total purchase cost
- $2,429,900
- Mortgage payment
- $7,067/mo
Cash Flow Analysis
If you rented this home out at 20% down
Break-even down payment
63%Monthly carrying cost
$7,717- Rent $3,875
- Shortfall $3,842
Rental income opens at $3,875, the median asking rent of 39 comparable homes for lease in Markham. Type over it with the rent you expect. This is a planning tool, not advice.
Land transfer tax on this home
- Ontario land transfer tax
- $27,455
- Total land transfer tax
- $27,455
- First-time buyer rebates (Ontario up to $4,000)
- −$4,000
- Total for first-time buyers
- $23,455
See how this is worked out
- 0.5% on the first $55,000
- $275
- 1.0% from $55,000 to $250,000
- $1,950
- 1.5% from $250,000 to $400,000
- $2,250
- 2.0% from $400,000 to $1,549,000
- $22,980
- Ontario total
- $27,455
An estimate at the asking price, for a home with one or two single-family residences. Your lawyer confirms the exact amount.
Estimate
Estimated value requires sign in
Market estimates use sold comparables and are available after you sign in and accept MLS® VOW terms.
The estimate is an automated value built from public and MLS® data. It is not an appraisal; ask Kassaundra Dobson, Broker of Record for a full comparative market analysis.
Comparable sales
Comparable sales require sign in
Closing prices and sold comps are available to registered visitors who accept MLS® VOW terms on this site.
The land
Lot
- Lot area
- 9,865 sq ft916 m²
- Street frontage
- 65.57 ft20 m
- Depth
- 150.45 ft45.9 m
The area is the frontage multiplied by the depth, so boundaries are approximate. Confirm with a survey before you buy.
Source: the MLS® listing record, measured by GeoWarehouse.
Land and environment
Public records about this location. Not part of the MLS® listing and not provided by the listing brokerage.
Water and conservation5
- Inside Toronto and Region Conservation Authority’s mapped regulated areaHere the area is drawn from flood hazard mapping. Work on the property, such as an addition or grading, may need a permit from Toronto and Region Conservation Authority. It does not mean the house floods.At the address
- No mapped wetland within 120 m120 m
- 21 water-supply wells recorded within 250 m20 of them were drilled for domestic use; 41 test or monitoring holes also recorded. From Ontario’s well records; locations can be approximate. The records do not show how this home gets its water. Wells nearby typically go down about 18.3 m.250 m
- Groundwater recorded about 9.8 m below ground nearbyThe middle water level in the well records within 500 m (206 records). It changes with the season and from spot to spot.500 m
- Bedrock about 32 m down nearbyThe middle depth to bedrock in the well records within 500 m.500 m
Toronto and Region Conservation Authority · Province of Ontario open data
Planning and building activity2
- Outside the Greenbelt, Oak Ridges Moraine and Niagara Escarpment plan areasAt the address
- Nearest airport: 6.5 km6.5 km
Province of Ontario open data
Around the home2
- Nearest rail line: 390 m390 m
- A trail on the Ontario trail network within 1 km1 km
Province of Ontario open data
Environmental records4
- No licensed pit or quarry within 2 km2 km
- No recorded oil, gas or salt well within 250 m250 m
- No facility within 1 km reports pollutant releases to Environment CanadaThe nearest is The Raywal Limited Partnership — Main Plant, 2.6 km away. Only facilities above the inventory’s reporting thresholds are listed.1 km
- No federal contaminated site within 1 kmThe federal inventory covers federal land only; it says nothing about provincial or private sites.1 km
Province of Ontario open data · Government of Canada open data
Power and internet3
- Electricity is distributed here by Alectra Utilities CorporationAt the address
- Wired internet 50/10 Mbps or faster is listed at a household 70 m awayFixed wireless 50/10 Mbps or faster. LTE mobile coverage listed. ISED’s National Broadband Data at the nearest household point (70 m from the listing); 50/10 Mbps is its top category and includes faster plans. Confirm with a provider for this address.70 m
- Across the surrounding area: fibre to the home, cable, DSL internet listedFibre to the home: Beanfield Metroconnect, Bell, FibreStream, Rogers. Cable: Rogers. DSL: Bell. Fixed wireless: Bell, Dash Networks, Rogers, Routcom. Mobile: Bell, Freedom Mobile, Rogers, Telus. Satellite: Xplore. ISED’s list for the surrounding ~25 km² area; check with a provider for this address.Area-wide
Ontario Energy Board · Innovation, Science and Economic Development Canada
Each record is placed at the distance its own line states. None of it is an inspection of the property. Confirm anything that matters to you with the municipality, Toronto and Region Conservation Authorityor the record’s publisher.
Contains information licensed under the Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Ontario. Contains information made available under the Toronto and Region Conservation Authority Open Data Licence v1.0.
The market
Detached homes for sale in Thornhill right now
- For sale now
- 18
- Median asking price
- $2.32M
- New in 7 days
- 2
- Price cuts
- 6%
Middle half: $1.61M to $3.71M
6 in 28 days
1 listing
This home is asking 33% below the median, lower than three quarters of them.
See all homes in ThornhillAsking prices and counts of the MLS® listings on this site as of today. Asking figures only, never sold or leased prices.
Market area · filters apply to the charts below
The street
Map and tour
Transit nearby
| Station | Lines | Distance |
|---|---|---|
| Yonge / Clark | YRT bus rapid transit: Viva Blue | 250 m |
| Yonge / Centre | YRT bus rapid transit: Viva Blue | 1 km |
| Yonge / Steeles | YRT bus rapid transit: Viva Blue | 1.1 km |
| Finch Station | TTC subway: Line 1 Yonge-UniversityYRT bus rapid transit: Viva Blue | 3.1 km |
| Langstaff GO | GO Transit train: Richmond Hill | 3.4 km |
The nearest subway, light rail, train, bus rapid transit stations 5 km, as the crow flies. Source: TTC schedule data (GTFS) from the Toronto Transit Commission under the Open Government Licence – Toronto; GO Transit schedule data (GTFS) from Metrolinx under the Open Government Licence – Ontario – Metrolinx; YRT schedule data (GTFS) from York Region Transit under the YRT Open Data Licence 2.0, downloaded October 18, 2026. Contains information licensed under the Open Government Licence – Toronto. Data used in this product or service is provided with the permission of Metrolinx. Metrolinx makes no representations or warranties of any kind, express or implied, with respect to the Data and assumes no responsibility for the accuracy or currency of the data used in this product or service. Contains information licensed under the Open Government Licence – Ontario – Metrolinx. Contains public transit Information made available under YRT's Open Data Licence.
Schools nearby
| Elementary | Type | Distance | EQAO average 2024–25 |
|---|---|---|---|
| Thornhill Public SchoolYork Region DSB | Public · grades JK–8 | 500 m | 75%Grade 6 average |
| E J Sand Public SchoolYork Region DSB | Public · grades JK–8 | 750 m | 73%Grade 6 average |
| St Agnes Catholic SchoolToronto CDSB | Catholic · grades JK–8 | 1.7 km | 87%Grade 6 average |
| École élémentaire Paul-DemersConseil scolaire Viamonde | French-language public · grades JK–6 | 4.6 km | 95%Grade 6 average |
| Secondary | Type | Distance | Grade 9 math 2024–25 |
|---|---|---|---|
| Thornhill Secondary SchoolYork Region DSB | Public · grades 9–12 · French Immersion | 200 m | 68%Grade 9 math |
| Brebeuf College SchoolToronto CDSB | Catholic · grades 9–12 | 1.5 km | 80%Grade 9 math |
| Newtonbrook Secondary SchoolToronto DSB | Public · grades 9–12 · French Immersion | 1.7 km | 39%Grade 9 math |
| ÉSC Monseigneur-de-CharbonnelConseil scolaire catholique MonAvenir | French-language Catholic · grades 9–12 | 2.5 km | 63%Grade 9 math |
EQAO: share of students at or above the provincial standard, 2024–25 (Ontario open data). These are the schools nearest this home, not the schools it is assigned to: boundaries change, and some schools take students by application. Confirm with the board before you buy. Contains information licensed under the Open Government Licence – Ontario.
The verdict
Similar Active Listings
Recently sold nearby
Sold prices in Thornhill are shown to signed-in members.