Save
Ask
Tour
Hide
Share
$3,795,000
5 Days On Site

311 Helen Avenue
Markham, ON L3R 1J9

For Sale|Single Family Residence|Active
3
Beds
2
Total Baths
County:
York
Call Now: (647) 360-6433
Is this the listing for you? We can help make it yours.
(647) 360-6433
311 Helen Avenue
Save
Ask
Tour
Hide
Share

Mortgage Calculator

Monthly Payment (Est.)

$17,314
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2026 Information is deemed reliable but not guaranteed.

Perfect Residential Infill Redevelopment Opportunity for Townhouse or Single Family Homes. +202 ft Frontage and backing onto municipal parkland. The property is located in the attractive South Unionville neighborhood featuring in-demand schools and abundant park spaces. Markham official plan allows for Singles, Semi-detached, Townhouse or small multi-plex built form. Property may be combined with 313 Helen Ave to create +400 ft frontage and 1.33 acres in area allowing for substantial infill opportunity. *(Legal Description continued) PART 1, 65R33761 SAVE AND EXCEPT PTS 1 & 3, 65R34549 CITY OF MARKHAM

Save
Ask
Tour
Hide
Share
Listing Snapshot
Price 
$3,795,000
Days On Site 
5 Days
Bedrooms 
3
Inside Area (SqFt) 
N/A
Total Baths 
2
Full Baths 
N/A
Partial Baths 
N/A
Lot Size 
N/A
Year Built 
N/A
MLS® Number 
N13424448
Status 
Active
Property Tax 
$10,559.58
Maintenance Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
5 days agoListing first seen on site
5 days agoListing updated with changes from the MLS®
General Features
Attached Garage 
Yes
Cross Street 
Helen / Glenbar Gardens
Direction Faces 
South
Garage 
Yes
Parking 
PrivateAttached
Parking Spaces 
8
Property Sub Type 
Single Family Residence
Style 
Backsplit 4
Utilities 
Cable Available
Water Source 
Public
Zoning 
Residential
Interior Features
Basement 
Sump PumpUnfinished
Cooling 
Central Air
Heating 
Natural GasForced Air
Interior 
Central Vacuum
Save
Ask
Tour
Hide
Share
Exterior Features
Construction Details 
Brick
Pool Features 
None
Roof 
Asphalt
Listing courtesy of CUSHMAN & WAKEFIELD

Listing information is provided by Participants of the Toronto Real Estate Board. VOW information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Copyright 2026, Toronto Real Estate Board
Last checked 2026-06-15 02:02 PM UTC

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
Save
Ask
Tour
Hide
Share