181 Clark Avenue, photo 1

For sale Thornhill, Markham, ON

181 Clark Avenue

List price
$1,788,000
Sq ft
2000-2500
Bedrooms
4+1
Bathrooms
4

About this home

Welcome to an extraordinary opportunity in the highly sought-after Thornhill (Markham) corridor. Perfectly positioned directly facing a serene park, this exceptional backsplit home offers a rare combination of tranquil family living and immense future value (zoning RM1). Set on a massive, highly coveted 50 x 260 ft lot-a true rarity in the GTA-this property features an impeccably maintained, breathtaking backyard garden that serves as your private oasis, while providing unmatched long-term investment potential further amplified by the upcoming Yonge North Subway Extension at Yonge & Clark.Nestled on a quiet dead-end street in a premier family neighbourhood, the immaculate interior boasts completely carpet-free living, highlighted by pristine maple hardwood floors and sophisticated glass handrail accents that elevate the modern aesthetic. The functional 4+1 bedroom, 3.5-bathroom layout is complete with a versatile in-law suite --- featuring an added kitchen and a stylish bar in the basement --- along with three separate side entrances, offering incredible flexibility for multi-generational living or rental income. Highlights include an aluminum garage door, a private sauna, and a cozy electric fireplace. A timeless family sanctuary combining a rare oversized lot, stunning outdoor spaces, and elite future potential in a prime transit-oriented location.

Photos of 181 Clark Avenue

Facts and features of 181 Clark Avenue

Key facts
TypeDetached
StyleBacksplit 5
Bedrooms4 + 1
Bathrooms4
Size2000-2500 sq ft
Lot50.13 x 245 Feet
Parking6
GarageAttached
HeatingForced Air
CoolingCentral Air
BasementApartment, Separate Entrance
ExteriorBrick, Stucco (Plaster)
Age31-50
Taxes$9,027 (2025)
Days on market31
Listing brokerageHOME STANDARDS BRICKSTONE REALTY

Rooms

11 rooms, with sizes

RoomLevelSizeFeatures
Primary Bedroom Second 14′ 1″ × 13′ 0″ hardwood floor, 2 pc ensuite
Kitchen Main 12′ 0″ × 14′ 0″ ceramic floor, w/o to patio, pantry
Bedroom 2 Second 10′ 11″ × 9′ 4″ Hardwood Floor
Living Room Main 16′ 3″ × 13′ 3″ Hardwood Floor
Dining Room Main 10′ 10″ × 11′ 10″ Ceramic Floor
Kitchen Basement 9′ 5″ × 13′ 5″ Ceramic Floor
Family Room In Between 13′ 4″ × 22′ 7″ hardwood floor, w/o to yard, fireplace
Bedroom 3 Second 10′ 7″ × 9′ 9″ Hardwood Floor
Recreation Basement 26′ 3″ × 19′ 0″ laminate, b/i bar
Bedroom 4 In Between 10′ 3″ × 13′ 0″ Hardwood Floor
Bedroom 5 Basement 13′ 8″ × 21′ 10″ Laminate

Around this home

What’s near 181 Clark Avenue

From 181 Clark Avenue, the nearest TDSB elementary school is Lillian Public School, 26 minutes on foot.

Schools

  • Lillian Public School TDSB elementary · JK-5 EQAO 2024-25: Gr 3 reading 71% 26 min walk 7 min drive
  • Steelesview Public School TDSB elementary · JK-5 EQAO 2024-25: Gr 3 reading 91% 39 min walk 11 min drive
  • Cummer Valley Middle School TDSB middle school · 6-8 EQAO 2024-25: Gr 6 reading 85% · Gr 6 math 67% 39 min walk 9 min drive
  • St Agnes Catholic School Catholic elementary · JK-8 EQAO 2024-25: Gr 6 reading 95% · Gr 6 math 75% 23 min walk 7 min drive
  • Newtonbrook Secondary School TDSB secondary · 9-12 EQAO 2024-25: Gr 9 math 39% · Gr 10 literacy 98% 38 min walk 11 min drive
  • Brebeuf College School Catholic secondary · 9-12 EQAO 2024-25: Gr 9 math 80% · Gr 10 literacy 79% 21 min walk 5 min drive

Nearest schools, not necessarily the ones that serve this address. Check with the TDSB and TCDSB school locators.

Places: OpenStreetMap contributors, October 2026. Walking and driving times: Mapbox. Schools: EQAO 2024-25, Ontario Ministry of Education.

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MLS® N13833466 Data source: PropTx Listed September 28, 2026