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311 Helen Avenue, Unionville



1/2
3
bed3
bath8
parking2000 - 2500
sqftDetached
$3,795,000
For Sale
90 days
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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$194,001
higher than listed pricei
High
$4,155,194
Mid
$3,989,001
Low
$3,791,869
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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 3 bathrooms. 311 Helen Avenue, Unionville is situated in South Unionville, with nearby neighbourhoods in Milliken Mills East, Markville, Bullock and Unionville.
There are a lot of great restaurants around 311 Helen Ave, Markham. If you can't start your day without caffeine fear not, your nearby choices include Dak LAK Coffee. Nearby grocery options: Health & Beauty Herbs Centre is a 7-minute walk.
If you are reliant on transit, don't fear, there is a Bus Stop (KENNEDY RD / CASTAN AV) only a 6 minute walk.
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- There are no active MLS listings right now. Please check back soon!