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RE/MAX Premier Inc., Brokerage logo

Suzan McKenzie

RE/MAX Premier Inc., Brokerage

1885 Wilson Avenue Ste 200A, Toronto, Ontario, M9M1A2

Phone: 416-743-2000

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# N12962824Summerhill Estates, Newmarket · L3X 2P4
For SaleAtt/Row/Townhouse

577 Osler Court

$939,000
3 Bed3 Bath15d on market
MLS# N12962824Summerhill Estates, Newmarket · L3X 2P4
For SaleAtt/Row/Townhouse

577 Osler Court

$939,000

15 days on market

Bedrooms
3 Bed
Bathrooms
3 Bath
Size (MLS Range)
1500-2000 sq ft
Parking
3 Attached
Virtual Tour
OverviewHistoryDetailsNeighbourhood

Listing History — This Unit

Apr 07, 2026(16d ago)·15 DOM
$939,000
Active
1500-2000 sqft·KELLER WILLIAMS REALTY CENTRES
N12962824Current

About This Listing

A rare end-unit townhome backing onto green space and the newly redesigned Mulock Park (opening 2026), offering an exceptional combination of space, privacy, and lifestyle not often found in this price range. With significantly more living space and outdoor area than many nearby townhomes, this property stands out as a compelling value in today's market. Set on a premium lot with no rear neighbours, this home offers almost 1,900 sq ft of well-designed living space-larger than many comparable homes-with windows on three sides that fill the interior with natural light throughout the day. The open-concept kitchen and family room create an inviting central hub for everyday living and entertaining, with a seamless walkout to a private, fully fenced backyard and expansive deck-perfect for relaxing or hosting while overlooking peaceful green space. Upstairs, a versatile landing provides flexibility for a home office or reading nook, while the generously sized primary suite features a walk-in closet and ensuite with soaker tub and separate shower. Thoughtfully maintained and move-in ready, this home offers immediate comfort with the added benefit of a setting that is difficult to replicate, along with future park amenities that will continue to enhance the neighbourhood. Ideally located just a 10-minute walk to Yonge Street, Clearmeadow PS, and Sir William Mulock SS, this is a unique opportunity to own a larger, park-backing townhome in a location where space and privacy are increasingly hard to find.

Property Details

MLS NumberN12962824
Property TypeAtt/Row/Townhouse
Style2-Storey
Listing TypeFor Sale
StatusActive
Bedrooms3 Bed
Bathrooms3
Size1500-2000 sq ft
Year Built2003
Parking Spaces3
Parking TypeAttached
Property Tax$5,073/yr
Days on Market15
Listed2026-04-07
CommunitySummerhill Estates
MunicipalityYork
Cross StreetYonge & Mulock

Location & nearby

│
0
Walk
0
Transit

577 Osler Court

Nearby schools

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

Elementary

3 schools

Clearmeadow Public School

492 m
PublicGrades JK-8
EQAO scoreStrong
69 / 100
Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 3R67%▼ 22.0W60%▼ 18.0M63%▼ 12.0
Grade 6R88%▼ 5.0W82%▼ 16.0M56%▼ 1.0

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

560 students12% Special Ed0% Gifted

Terry Fox Public School

680 m
PublicGrades JK-8
EQAO scoreExcellent
81 / 100

Top 50% of Ontario elementary schools

Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 3R92%▲ 13.0W87%M84%▲ 38.0
Grade 6R82%▲ 8.0

St John Chrysostom Catholic Elementary School

854 m
CatholicGrades JK-8
EQAO scoreStrong
67 / 100
Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 3R85%▲ 4.0W65%▼ 6.0M65%▼ 2.0
Grade 6R62%▼ 22.0

Secondary

3 schools

Sir William Mulock Secondary School

521 m
PublicGrades 9-12
EQAO scoreStrong
74 / 100
Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 9 Math59%
OSSLT literacy pass rate89%▲ 3.0

Arrows show 3-year change

1,190 students25% Special Ed1% Gifted

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 KELLER WILLIAMS REALTY CENTRES

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.

IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than identifying prospective properties consumers may be interested in purchasing or renting.

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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: April 21, 2026 at 09:42 p.m.

W87%▲ 13.0
M51%▲ 17.0

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

410 students15% Special Ed0% Gifted
W90%▼ 6.0
M33%▼ 19.0

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

210 students15% Special Ed0% Gifted

Dr John M Denison Secondary School

3.6 km
PublicGrades 9-12
EQAO scoreStrong
66 / 100
Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 9 Math47%▼ 2.0
OSSLT literacy pass rate84%▼ 2.0

Arrows show 3-year change

1,000 students26% Special Ed0% Gifted

Newmarket High School

4.0 km
PublicGrades 9-12
EQAO scoreExcellent
86 / 100

Top 50% of Ontario secondary schools

Per-grade breakdown & demographics▾
Per-grade EQAO breakdown
Grade 9 Math75%▲ 7.0
OSSLT literacy pass rate97%

Arrows show 3-year change

1,515 students18% Special Ed6% Gifted