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311 Helen Avenue



1/2
3
bed2
bath8
parking2000 - 2500
sqftDetached
$3,795,000
For Sale
10 hours
on site$3,795,000

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Size
-
Lot size
29178 sqft
Street frontage
-
Possession
2026-10-01
Price per sqft
$1,518 - $1,898
Taxes
$10,559.58 (2026)
Parking Type
-
Style
Backsplit 4
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Description
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
Broker: CUSHMAN & WAKEFIELD
MLS®#: N13424448
Property details
Parking:
8
Parking type:
-
Property type:
Detached
Heating type:
Forced Air
Style:
Backsplit 4
MLS Size:
2000-2500 sqft
Lot front:
202 Ft
Lot depth:
143 Ft
Listed on:
Jun 10, 2026
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Instant estimate:
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$290,309
higher than listed pricei
High
$4,255,514
Mid
$4,085,309
Low
$3,883,418
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About 311 Helen Avenue
311 Helen Avenue is an Unionville detached house for sale. It was listed at $3795000 in June 2026 and has 3 beds and 2 bathrooms. 311 Helen Avenue resides in the Unionville South Unionville neighbourhood, and nearby areas include Milliken Mills East, Markville, Bullock and Unionville.
311 Helen Ave, Markham is only a 6 minute walk from Dak LAK Coffee for that morning caffeine fix and if you're not in the mood to cook, Toyosu Markham, Big Trio Wonton Noodle and Mom's Kitchen are near this detached house. For groceries there is Health & Beauty Herbs Centre which is a 7-minute walk.
If you are reliant on transit, don't fear, there is a Bus Stop (KENNEDY RD / CASTAN AV) a 6-minute walk.
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- There are no active MLS listings right now. Please check back soon!