43.8662° N · 79.3195° W — Unionville, Markham — MLS® #N12659592
165 Krieghoff Ave
$3,949,900
Unionville, Markham, Ontario L3R 1W2
- 4+2
- BedroomsBeds
- 7
- BathroomsBaths
- 3500-5000 sqft3500-5000
- SizeSq ft
- 61 ft frontage
- Lot sizeLot
Inquire about this listing
In short · from the listing record
165 Krieghoff Ave is a 4+2-bedroom, 7-bathroom detached house in Unionville, Markham, listed for sale at an asking price of $3,949,900 (MLS® N12659592).
Welcome to a stunning custom-built home in prestigious Unionville. This masterpiece features soaring ceilings, hardwood & marble floors, full panelled walls, and intricate mouldings. The chefs kitchen boasts Thermador appliances, marble countertops, and custom cabinetry. Enjoy a wine cellar, wet bar, and Red Oak library. Prime location near top schools, Main Street Unionville, Toogood Pond, and major highways. A rare opportunity to own a one-of-a-kind luxury residence.
Listing readings
How it measures up
Scores from the listing record and the market around it.
68Good
Condition score
6 condition-related facts documented
Listing age, structured features and disclosed update language; not an inspection.
5Shortfall
Cash flow quality
−$13,820/mo against the cost of owning (20% down, 4.8%, 25 yrs)
Median of 14 detached homes with 6 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 data table
Every fact
Everything the board publishes for this home.
- Tax
- $8,390 / 2025
- MLS® number
- N12659592
- Board
- TRREB MLS®
- Property Type
- Detached
- Time on market
- Size
- 3500-5000 sqft
- Lot Size
- 61 ft frontage
- Listed on
- Parking
- 2 Attached, 6 Parking
Listing history
Listing activity for 165 Krieghoff Ave, Markham, Ontario
| Date Start | Date End | List Price | Price | Event | Listing ID |
|---|---|---|---|---|---|
| Date StartN/A | N/A | $3,949,900 | N/A | Ext | N12659592 |
Inside
Room by room
From the listing.
- Living4.9 × 5.8 mhardwood floor, Gas Fireplace, Dropped Ceiling
- Dining2.45 × 4.9 mhardwood floor, Dropped Ceiling, O/Looks Living
- Kitchen5.2 × 9.15 mB/I Appliances, Granite Counter, Breakfast Area
- Family5.2 × 6.1 mMarble Fireplace, hardwood floor, Dropped Ceiling
- Library2.75 × 3.05 mhardwood floor, B/I Bookcase, Dropped Ceiling
- 5th Br4.57 × 5.2 m3 Pc Ensuite, Marble Fireplace
- Exercise3.05 × 3.66 m3 Pc Ensuite, Marble Floor
- Rec4.27 × 15.25 mWet Bar, Marble Floor
- Primary4.57 × 8.53 m5 Pc Ensuite, Skylight, W/I Closet
- 2nd Br4.57 × 5.2 mhardwood floor, 3 Pc Ensuite, Skylight
- 3rd Br4.3 × 5.2 m3 Pc Ensuite, Large Closet, hardwood floor
- 4th Br3.96 × 4.88 m3 Pc Ensuite, hardwood floor, Large Closet
Property
- Property Type
- Detached
- Style
- 2-Storey
- Community
- Unionville
- Municipality
- Markham
Building
- Size
- 3500-5000 sqft
- Construction
- Brick
Inside
- Bedrooms
- 4+2
- Bathrooms
- 7
- Bathroom Details
- 1 × 5pc 2nd, 3 × 3pc 2nd, 1 × 2pc Main, 2 × 3pc Lower
- Basement Type
- Finished with Walk-Out
- Kitchens
- 1
Parking
- Garage Type
- Attached
- Garage
- 2
- Additional Parking
- 4
- Total Parking
- 6
Utilities
- Water
- Municipal
- Cooling
- Central Air
- Heating Type
- Forced Air
Land
- Sewer
- Sewers
- Frontage
- 61 ft
- Lot Size
- 61 ft frontage
Where it sits
The street and the area
Asking prices on the map.
Map and tour
Transit nearby
| Station | Lines | Distance |
|---|---|---|
| Highway 7 / Sciberras Rd | YRT bus rapid transit: Viva Purple | 750 m |
| Highway 7 / Main St Unionville | YRT bus rapid transit: Viva Purple | 1 km |
| Highway 7 / Village Pkwy | YRT bus rapid transit: Viva Purple | 1 km |
| Highway 7 / Kennedy Rd | YRT bus rapid transit: Viva Purple | 1.3 km |
| Unionville GO | GO Transit train: Stouffville | 1.7 km |
The nearest subway, light rail, train, bus rapid transit stations 5 km, as the crow flies. Source: 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. 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.
Around it
Detached in Unionville
Active listings only, today.
Detached homes for sale in Unionville right now
- For sale now
- 67
- Median asking price
- $1.98M
- New in 7 days
- 7
- Price cuts
- 16%
Middle half: $1.59M to $2.73M
31 in 28 days
11 listings
This home is asking 99% above the median, higher than three quarters of them.
See all homes in UnionvilleAsking prices and counts of the MLS® listings on this site as of today. Asking figures only, never sold or leased prices.
Site report
What the record says
What the City and the conservation authority have on file for this address.
- ca regulatedNone in rangeNot in Toronto and Region Conservation Authority’s mapped regulated area
- provincial plansNone in rangeOutside the Greenbelt, Oak Ridges Moraine and Niagara Escarpment plan areas
- wetlandNone in rangeNo mapped wetland within 120 m
- aggregateNone in rangeNo licensed pit or quarry within 2 km
- wellsNone in rangeNo recorded oil, gas or salt well within 250 m
- railOn recordNearest rail line: 640 m
- trailOn recordA trail on the Ontario trail network within 1 km
- airportOn recordNearest airport: 3.7 km
- water wellsOn record1 water-supply well recorded within 250 m It was drilled for domestic use. 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 15.8 m.
- groundwaterOn recordGroundwater recorded about 3.9 m below ground nearby The middle water level in the well records within 500 m (27 records). It changes with the season and from spot to spot.
- bedrockOn recordBedrock about 29.9 m down nearby The middle depth to bedrock in the well records within 500 m.
- npriNone in rangeNo facility within 1 km reports pollutant releases to Environment Canada The nearest is Markham District Energy Inc. — Warden Energy Centre, 2.4 km away. Only facilities above the inventory’s reporting thresholds are listed.
- fcsiNone in rangeNo federal contaminated site within 1 km The federal inventory covers federal land only; it says nothing about provincial or private sites.
- electricityOn recordElectricity is distributed here by Alectra Utilities Corporation
- internet speedOn recordWired internet 50/10 Mbps or faster is listed at this location Fixed wireless 50/10 Mbps or faster. LTE mobile coverage listed. ISED’s National Broadband Data at the nearest household point (20 m from the listing); 50/10 Mbps is its top category and includes faster plans. Confirm with a provider for this address.
- broadbandOn recordAcross the surrounding area: fibre to the home, cable, DSL internet listed Fibre to the home: Beanfield Metroconnect, Bell, CIK Telecom, 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.
Each record is the map at the home’s location, not an inspection. Confirm anything that matters with the municipality, Toronto and Region Conservation Authority or 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.
Lot
- Street frontage
- 61 ft18.6 m
- Depth
- Not in the record
The record marks this lot irregular, so its area is not the frontage multiplied by the depth. It is not given here. Confirm with a survey before you buy.
Source: the MLS® listing record, measured by MPAC.
Land transfer tax on this home
- Ontario land transfer tax
- $85,223
- Total land transfer tax
- $85,223
- First-time buyer rebates (Ontario up to $4,000)
- −$4,000
- Total for first-time buyers
- $81,223
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 $2,000,000
- $32,000
- 2.5% from $2,000,000 to $3,949,900
- $48,748
- Ontario total
- $85,223
An estimate at the asking price, for a home with one or two single-family residences. Your lawyer confirms the exact amount.
Schools
Nearest schools
Straight-line distances. Check catchments with the board.
ElementaryEQAO average 2024–25
- St John XXIII Catholic Elementary SchoolYork CDSBCatholic · grades JK–8 · French Immersion79%Grade 6 average400 m
- Parkview Public SchoolYork Region DSBPublic · grades JK–887%Grade 6 average450 m
- William Berczy Public SchoolYork Region DSBPublic · grades JK–891%Grade 6 average800 m
- ÉÉC Sainte-Marguerite-Bourgeoys-MarkhamConseil scolaire catholique MonAvenirFrench-language Catholic · grades JK–895%Grade 3 average3.1 km
SecondaryGrade 9 math 2024–25
- Bill Crothers Secondary SchoolYork Region DSBPublic · grades 9–1279%Grade 9 math1.2 km
- Unionville High SchoolYork Region DSBPublic · grades 9–1288%Grade 9 math1.6 km
- St Augustine Catholic High SchoolYork CDSBCatholic · grades 9–12 · French Immersion97%Grade 9 math3.2 km
- École secondaire Norval-MorrisseauConseil scolaire ViamondeFrench-language public · grades 9–1290%Grade 9 math9.9 km
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.
Searches this home is in
Keep looking
The ledger
What it costs to own
Worked out for this home. Change any number.
A month, all in
$18,720
- Mortgage$18,021
- Property tax$699
A planning figure, not a quote.
Land transfer tax
$85,223
$81,223 for first-time buyers.
Rent, similar homes
$4,900
a month, median asking rent of 14 similar homes in Markham.
Community
Who lives around it
Similar homes
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Shemeer AhmadVALERY REAL ESTATE INC.
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