© 2026 HomeSix Realty Inc. All rights reserved.

Rare Opportunity To Own A Landmark Property On Prestigious Main Street Unionville Within The Historic Heritage District. Backing Directly Onto Bruce Creek And Mature Ravine Greenery, This Unique Residence Offers A Rare Blend Of Historic Charm, Privacy, And Estate-Like Living On An Expansive Lot Rarely Found In The Area. The Building Has A Dedicated Fiber Optic Connection, Ideal For Modern Living And Remote Work Needs. Protected By Heritage Conservation And Main Street Character Controls, This Property Represents Exceptional Long-Term Prestige Within One Of Markham's Most Desirable And Iconic Communities. An Irreplaceable Opportunity For Discerning Buyers Seeking Timeless Character, Tranquil Natural Surroundings, And Premier Main Street Unionville Living.
Inclusions
2 Gas Furnaces, 2 Central Air Conditioning Systems, 2 Humidifiers, HRV System, 2 Electrical Panels, Security System with Cameras & Motion Sensors, Existing Light Fixtures, Window Coverings, Projection Camera, Sound System, including Paradigm Speakers, and Controls, Dedicated Business Grade Fiber Internet Connection, CAT5/6 Wiring, Irrigation System, Custom Built-In Cabinetry in Kitchen, Stainless Steel Kitchen Countertop & Sink, Electric Fireplace, Existing Appliances (excluding the refrigerators located in the North Building Library), and All Permanent Fixtures Attached to the Property.
Exclusions
2 Light Fixtures Above The Large Boardroom Table In The North Building Library. All Interior and Exterior Business Signages.
Broker
JDL REALTY INC.
Own a home here? See what it could sell for.
Use this listing address as a starting point for a Home6 seller valuation.

Detached
145 Main Street Markham
Markham
Type
Detached
Basement
Finished, Full
Parking
None (8)
Property Tax
~$25,152/yr
Heating
Forced Air
Buying Essentials
Square Feet
4250 sqft
Facing Direction
West
Parking
None (8)
Finances
List Price
$3,940,000
Price per SQFT
$927/sqft
Property Tax
~$25,152/yr
Property Specs
Property Type
Detached
MLS Size
4250 sqft
Basement
Finished, Full
Living & Amenities
Heating Type
Forced Air
Features
Air Exchanger · Carpet Free · ERV/HRV · Separate Heating Controls · Storage · Upgraded Insulation · Water Heater · Water Meter
Policies & Utilities
Neighbourhood
Markham
Listed On
May 21, 2026
Greenbelt/Conservation
School
Public Transit
Hospital
Park
Wooded/Treed
Days on Market
Current: 169 days
Room information is not available for this listing.
Learn about the area and demographics around this address.
Schools closest to 145 Main Street Markham.
Source: No verified source available.Catchment boundaries and ratings are shown only when available.
Active alternatives ranked by location, property type, price, bedrooms, size, bathrooms, and recency.
Recent sold or leased properties are shown separately from active alternatives.
Close to 145 Main Street Markham.