Exceptional Income-Generating Detached Home with Coach House in Prestigious Cornell, Markham! A rare investment opportunity offering multiple income-generating possibilities. This beautifully maintained detached home features a fully self-contained coach house, ideal for homeowners seeking strong rental income, a valuable mortgage helper, multigenerational living, or flexible dual-living arrangements. Situated on a premium lot with parking for 3 vehicles (double garage + 1 driveway), this remarkable property offers approximately 2,000 sq. ft. (Main +Coach) living space, plus additional income potential from the coach house and future basement development.The property features 9-ft ceilings, a bright open-concept layout, elegant finishes, and spacious living and dining areas centered around a cozy fireplace. Enjoy a large front porch veranda and a professionally designed 3-tier deck with interlocking brick patio and gas BBQ hookup at the backyard for entertainment and gatherings. Offering 4 spacious bedrooms and 4 bathrooms (3 in main house, 1 in coach house), this home is ideal for growing families. Additional highlights include a large cold cellar with unfinished basement, ready for future customization. With minor modifications, the existing separate entrance can provide private basement access, creating potential for an additional income-producing suite.The fully self-contained coach house features its own private entrance, kitchen, bathroom, laundry, and separate living space-perfect for extended family/ for stable income generation. Projected rental income of approximately $1,700-$1,800/month makes it an excellent mortgage helper.Includes a full set of appliances for both the main house and coach house. Ideally located near top-ranking schools, parks, trails, Markham Stouffville Hospital, Cornell Community Centre, Mount Joy GO Station, and Highway 407. An excellent opportunity of investment with remarkable returns.
For sale
C$1,350,000
43 Colchester St, Markham, ON L6B 1K4
4beds
4baths
Single Family Residence
Built in ----
3,153 Square Feet Lot
$-- Zestimate®
C$--/sqft
C$-- HOA
What's special
Fully self-contained coach housePremium lotBright open-concept layoutElegant finishesCozy fireplaceLarge front porch verandaInterlocking brick patio
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Listing updated:
Listed by:
KELLER WILLIAMS COMPLETE REALTY
Source: TRREB,MLS®#: N13506900
Originating MLS®#: Toronto Regional Real Estate Board
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
Primary bedroom
- Level: Second
- Dimensions: 4.64 x 4.49
Bedroom
- Level: Second
- Dimensions: 2.92 x 2.96
Bedroom 2
- Level: Second
- Dimensions: 3.27 x 3.27
Bedroom 3
- Level: Second
- Dimensions: 3.12 x 3.12
Dining room
- Level: Ground
- Dimensions: 5.19 x 3.02
Family room
- Level: Ground
- Dimensions: 5.2 x 4.19
Kitchen
- Level: Ground
- Dimensions: 5.56 x 3.07
Kitchen
- Level: Second
- Dimensions: 2.96 x 2.28
Laundry
- Level: Second
- Dimensions: 1.6 x 1.75
Living room
- Level: Ground
- Dimensions: 5.19 x 3.02
Living room
- Level: Second
- Dimensions: 3.75 x 3.03
Heating
- Forced Air, Gas
Cooling
- Central Air
Features
- In-Law Suite
- Flooring: Carpet Free
- Basement: Unfinished
- Has fireplace: Yes
- Fireplace features: Natural Gas
Interior area
- Living area range: 2000-2500 null
Video & virtual tour
Property
Parking
- Total spaces: 3
- Parking features: Available, Garage Door Opener
- Has garage: Yes
Features
- Stories: 2
- Patio & porch: Deck, Patio, Porch
- Pool features: None
- Waterfront features: None
Lot
- Size: 3,153 Square Feet
- Topography: Flat
Details
- Parcel number: 030642718
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Vinyl Siding
- Foundation: Concrete
- Roof: Shingle
Utilities & green energy
- Sewer: Sewer
Community & HOA
Community
- Security: Carbon Monoxide Detector(s)
Location
- Region: Markham
Financial & listing details
- Annual tax amount: C$5,427
- Date on market: 6/30/2026
KELLER WILLIAMS COMPLETE REALTY
KELLER WILLIAMS COMPLETE REALTY
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Price history
Price history is unavailable.
Public tax history
Tax history is unavailable.
Climate risks
Neighborhood: Cornell
Nearby schools
GreatSchools rating
No schools nearby
We couldn't find any schools near this home.
- Ontario
- York Regional Municipality
- Markham
- L6B 1K4
- Cornell
- 43 Colchester St







