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Listing data is provided under license from the Toronto Regional Real Estate Board (TRREB). TRREB assumes no responsibility for the accuracy of the information contained herein. Data is updated periodically and may not reflect the most current market activity. Not intended to solicit buyers or sellers currently under contract. MLS®, REALTOR®, and the associated logos are certification marks owned by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA.

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MLS# N12899196Unionville, Markham · L3R 1X3
For SaleDetached

21 Shadbolt Court

$3,380,000
4 Bed + Den5 Bath43d on market
MLS# N12899196Unionville, Markham · L3R 1X3
For SaleDetached

21 Shadbolt Court

$3,380,000

43 days on market

Bedrooms
4 Bed + Den
Bathrooms
5 Bath
Size (MLS Range)
3000-3500 sq ft
Parking
6 Built-In
OverviewHistoryDetailsNeighbourhood

Listing History — This Unit

Sign in to see the full listing history.
Mar 19, 2026(1mo ago)·43 DOM
$3,380,000
Active
3000-3500 sqft·SUPERSTARS REALTY LTD.
N12899196Current
Jan 01, 2024
$000,000Terminated

(Sign-in required)

About This Listing

Welcome To This Brand New Luxury Detached Home Located On A Large Corner Lot In A Quiet Street Of Prestigious Unionville Community, Showcasing Modern Design And Exceptional Craftsmanship, Featuring A Double Car Garage And Stucco And Stone Exterior Accented With Pot Lights. 5130Sqft Living Space With Bright And Functional Layout. The Main Floor Offers Approximately 10ft Ceilings On Main Floor And 9ft Ceiling On 2nd Floor, Enhanced With Huge Windows, Smooth Ceiling, Pot Lights, And Contemporary Light Fixtures Throughout. Highlighted By A Dramatic 20ft Family Room With Soaring Two-Storey Windows And A Stylish Chandelier. The Open concept Living And Dining Area Walks Out To Deck. Gorgeous Chef's Kitchen Includes Built-In Appliances, A Massive Waterfall Island With Breakfast Bar, One-Piece Backsplash, And A Walk-In Pantry With Under Cabinet Lighting. A Private Main-Floor Office And A Custom Mud Room Closet Add Convenience And Functionality. A Sleek Glass Railing Leads To The Second Floor, Where The Hallway Overlooks The Family Room And Connects To 4 Spacious Bedrooms And 3 Bathrooms, Including 2 Ensuites. The Large Primary Suite Features A Luxurious 5pc Ensuite And A Custom Walk-In Closet. Finished Walk-Up Basement Expands The Living Space With Modern Kitchen, Good Size Recreation Room, 3 Additional Bedrooms, And 3pc Bathroom, Ideal For Extended Family Or Rental Potential. Interlock Driveway Accommodates 4 Cars. Top Ranking Parkview Public School, Unionville High School And St. Augustine Catholic High School. Minutes To Grocery Stores, Plazas, Restaurants, And Community Services. Minutes To Grocery Stores, Plazas, Restaurants, Public Transit And Community Services. Quick Access To Major Routes Including Hwy 404 And 407.

Property Details

MLS NumberN12899196
Property TypeDetached
Style2-Storey
Listing TypeFor Sale
StatusActive
Bedrooms4 Bed + Den
Bathrooms5
Size3000-3500 sq ft
Parking Spaces6
Parking TypeBuilt-In
Property Tax$2,997/yr
Days on Market43
Listed2026-03-19
CommunityUnionville
MunicipalityYork
Cross StreetHwy 7/Village Pkwy

Location & nearby

│
0
Walk
0
Transit

21 Shadbolt Court

Nearby schools

Closest publicly funded schools within 5 km, ranked by EQAO standardized test scores

Elementary

3 schools

Coledale Public School

2.0 km
PublicGrades JK-8
EQAO scoreStrong
78 / 100

Top 50% of Ontario elementary schools

Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 3R69%▼ 1.0W69%▲ 1.0M66%▼ 3.0
Grade 6R96%▲ 7.0W94%▲ 4.0M73%▼ 6.0

R = Reading · W = Writing · M = Math · arrows show 3-year change

605 students7% Special Ed0% Gifted

Beckett Farm Public School

2.0 km
PublicGrades JK-8
EQAO scoreExcellent
83 / 100

Top 25% of Ontario elementary schools

Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 3R78%▼ 20.0W79%▼ 10.0M84%▼ 6.0
Grade 6R91%

Unionville Meadows Public School

2.4 km
PublicGrades JK-8
EQAO scoreStrong
79 / 100

Top 50% of Ontario elementary schools

Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 3R78%▼ 2.0W70%▲ 2.0M75%
Grade 6R87%▼ 2.0

Secondary

3 schools

Pierre Elliott Trudeau High School

2.5 km
PublicGrades 9-12
EQAO scoreExcellent
94 / 100

Top 25% of Ontario secondary schools

Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 9 Math91%▲ 6.0
OSSLT literacy pass rate97%▲ 3.0

Arrows show 3-year change

students

EQAO score is the average of available reading, writing & math results, 0–100 · Source: Ontario Ministry of Education

PublicCatholicFrench

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Listing provided by SUPERSTARS REALTY LTD.

Based on information from the Toronto Regional Real Estate Board (TRREB). All information deemed reliable but not guaranteed and should be independently verified. The accuracy of information is not guaranteed, has not been verified, and does not constitute professional advice.

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MLS®, REALTOR®, and the associated logos are certification marks owned by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA.

This listing content is not intended to solicit properties already listed for sale or individuals who are currently under contract with a brokerage.

Data last updated: May 2, 2026 at 09:41 a.m.

▲ 4.0
W94%
M70%▼ 11.0

R = Reading · W = Writing · M = Math · arrows show 3-year change

790 students8% Special Ed1% Gifted
W83%▼ 6.0
M81%▲ 8.0

R = Reading · W = Writing · M = Math · arrows show 3-year change

770 students8% Special Ed0% Gifted
1,865
11% Special Ed
3% Gifted

Markville Secondary School

2.7 km
PublicGrades 9-12
EQAO scoreExcellent
94 / 100

Top 25% of Ontario secondary schools

Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 9 Math92%▲ 4.0
OSSLT literacy pass rate96%▲ 3.0

Arrows show 3-year change

1,575 students12% Special Ed11% Gifted

St Augustine Catholic High School

3.2 km
CatholicGrades 9-12
EQAO scoreExcellent
97 / 100

Top 25% of Ontario secondary schools

Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 9 Math97%▲ 9.0
OSSLT literacy pass rate96%

Arrows show 3-year change

1,575 students12% Special Ed0% Gifted