Welcome to this bright and spacious 3+1 bedroom, 3-bathroom detached backsplit, ideally located in a quiet Thornhill neighborhood. Offering nearly 3600 sq. ft. of thoughtfully designed living space and 2-car garage, this home perfectly combines comfort, versatility, and an exceptional location. The open-concept living and dining area features hardwood floors and a large picture window, while the roomy eat-in kitchen opens to the backyard ideal for summer entertaining. The finished basement includes a spacious recreation room, an additional bedroom, and ample storage. Significant upgrades include a professionally complete conversion to copper wiring with a 200-amp electrical panel with modern LED pot lights and freshly painted throughout. Situated in one of Ontario's most prestigious school districts Bayview Fairways PS, Thornlea SS (Top 20), and St. Robert Catholic Secondary School. This property is steps from the exclusive Bayview Golf & Country Club, offering golf, tennis, fitness facilities, a pool, dining, and more. Nearby parks, community centre, shopping, Old Cummer GO station, Highway 401/404, and the Sheppard subway line make commuting and daily life effortless. A rare blend of location, lifestyle, and value this home truly checks all the boxes.
For sale
C$1,299,000
42 Castle Harbour Ln, Markham, ON L3T 3A2
4beds
3baths
Single Family Residence
Built in ----
8,514.24 Square Feet Lot
$-- Zestimate®
C$--/sqft
C$-- HOA
What's special
Quiet thornhill neighborhoodHardwood floorsLarge picture windowRoomy eat-in kitchenFinished basementSpacious recreation roomAdditional bedroom
- 2 days
- on Zillow |
- 10 |
- 2 |
Zillow last checked: 7 hours ago
Listing updated: August 11, 2025 at 10:40am
Listed by:
ROYAL LEPAGE GOLDEN RIDGE REALTY
Source: TRREB,MLS®#: N12337600
Originating MLS®#: Toronto Regional Real Estate Board

Travel times
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 3
Heating
- Forced Air, Gas
Cooling
- Central Air
Features
- Basement: Finished,Full
- Has fireplace: No
Interior area
- Living area range: 1500-2000 null
Property
Parking
- Total spaces: 4
- Parking features: Private Double, Garage Door Opener
- Has attached garage: Yes
Features
- Pool features: None
Lot
- Size: 8,514.24 Square Feet
- Features: Irregular Lot
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Aluminum Siding, Brick
- Foundation: Block, Concrete
- Roof: Asphalt Shingle
Utilities & green energy
- Sewer: Sewer
Community & HOA
Community
- Security: Security System
Location
- Region: Markham
Financial & listing details
- Annual tax amount: C$7,614
- Date on market: 8/11/2025
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