43 Colchester Street Markham, ON L6B 1K4
Listing Courtesy of: PropTX - IDX / Listed By: Keller Williams Complete Realty

  43 Colchester Street Markham, ON L6B 1K4

Active
$1,280,000 (CAD)
4
BED
4
BATH
2000-2500
SQFT

Description

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 $1,800/month($ 21,600 Annually) 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.

MLS®:
N13506900
Taxes
$5,427(2026)
Type
Single-Family Home
Style
2-Storey
County
Regional Municipality of York
Community
Cornell

Listed By

Keller Williams Complete Realty
Source
PropTX - IDX
Last checked Aug 28 2026 at 5:38 PM EDT
Bathroom Details
Interior Features
  • Auto Garage Door Remote
  • Carpet Free
  • In-Law Suite
Property Features
  • Fireplace: Natural Gas
  • Foundation: Concrete
Heating and Cooling
  • Forced Air
  • Central Air
Basement Information
  • Unfinished
Pool Information
  • None
Exterior Features
  • Vinyl Siding
  • Roof: Shingles
Utility Information
  • Sewer: Sewer
  • Fuel: Gas
  • Energy: Energy Certificate: No
Garage
  • Detached
Parking
  • Available
Stories
  • 2

Listing Price History

Date
Event
Price
% Change
$ (+/-)
Aug 11, 2026
Price Changed
$1,280,000
-5%
-$70,000
Powered by Walk Score®
Disclaimer: Copyright 2026 Toronto IDX. All rights reserved. This information is deemed reliable, but not guaranteed. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated 8/28/26 10:38