Listed for:Listed Oct 7, 2025
$3,250,000

313 Helen Avenue

Markham (Unionville), ON L3R 1J9

Detached House For Sale
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Sale & Price History for 313 Helen Avenue, Markham, Unionville

No listing history available

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About 313 Helen Avenue, Markham, Unionville

Summarized Description

  • Ideal for townhouse or single-family home development
  • Large 203 ft frontage enhances property value
  • Adjacent to municipal parkland for outdoor access
  • Located in sought-after South Unionville area
  • Access to quality schools and parks nearby
  • Flexible development options per Markham plan
  • Potential for various housing types on site

Perfect Residential Infill Redevelopment Opportunity for Townhouse or Single Family Homes. +203 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 from.

Key Facts & Features

Property Costs

Annual Property Tax Amount
$5,129
Land Transfer Tax Fee
$67,725

Basement Type
Full

Interior Features

Interior Extras
Other
Fireplace/Stove
No
Elevator
No

Exterior Features

Pool
None
Property Features
Park, School

Building

Building Type
Detached
Building Style
Backsplit 4

Construction

Exterior Finish
Brick
Roof
Shingles
Foundation Details
Other
Special Designation
Other

Lot

Lot Front
203.25 ft
Lot Depth
143.78 ft

Parking & Garages

Garage Type
Attached
Garage Spaces
2
Parking Spaces
4
Total Garage And Parking Spaces
6

Heating & Cooling

Heat Source
Gas
Heat Type
Forced Air
Air Conditioning
Central Air
Water
Municipal
Sewers
Sewer
Natural Gas
Yes
Hydro
Yes
Cable
Yes
Telephone
Yes

Bedrooms
3
Washrooms
2
Kitchens
1
Family / bonus room
Yes

Washrooms

  • 3-piece

Municipality
Markham
Neighbourhood
Unionville
Main cross streets
Helen/ Glenbar Gardens
Zoning
Residential
Directions
Helen/ Glenbar Gardens

MLS® number
N12448686
Data source
Toronto Regional Real Estate Board
Listed on
2025-10-07
Updated on
2026-09-15
Days on market
373 days
Possession type
Immediate
Co-op commission
1.0% + HST
Seller
Listed by
CUSHMAN & WAKEFIELD

Home Market Value

Current home valuation for 313 Helen Avenue, Markham, Unionville, Markham, ON. Listed for $3,250,000

HOMEH Estimate

?

$3,140,000

Estimated Sales Range

?

$1,884,000 - $4,396,000

HOMEH Estimate for 313 Helen Avenue, Markham, Unionville

Calculated with a real agent's CMA method — 45+ years of experience, codified. Not an AI guess.

$3,140,000Low confidence
Based on 5 comparable properties
+ $110,000 (4%) above our estimate
See the full analysisFree Every recent nearby sale behind this number

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Mortgage Payment Calculator

Compare up to 4 down payment scenarios

$
Markham, ON
Minimum Down Payment Required:20.0%

20% required for homes $1.5M or more

Minimum down payment

$650,000

Scenario 1 Scenario 2 Scenario 3 Scenario 4
−Down payment
%
$
%
$
%
$
%
$
+CMHC insurance
$0$0$0$0
=Total mortgage
$2,600,000$2,437,500$2,275,000$2,112,500
Amortization
Mortgage rate
%
%
%
%
Payment frequency
=Mortgage payment
$12,695monthly$11,901monthly$11,108monthly$10,314monthly
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Land Transfer Tax

Provincial

$67,725

Total Land Transfer Tax

$67,725

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