For Sale
1 / 2
$3,000,000
51 days ago
22 Grandview Avenue
Markham
2 bd 1 ba 4 parking
1 / 10
10 photos
313 Helen Avenue
Unionville, Markham, ON
Listed 264 days ago
$3,750,000For Sale
$1,207,688Estimated value
313 Helen Avenue
Markham, ON · Unionville
Listed 264 days ago
Bedrooms3
Bathrooms2
Size1500-2000 sqft
Parking6 (2 garage)
Lot Size203 ft × 144 ft
Property TypeDetached
$3,750,000
For SaleMLS# N12448686
$1,207,688Estimated value
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About this home
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.
Features & Details
- Property Type
- Detached
- Tax
- $5,129 / 2025
- Size
- 1500-2000 sqft
- Lot Size
- 203.25 x 143.78 Feet
- Basement Info
- Full
- Total Parking Spaces
- 6 (2 Garage)
- Title
- Residential Freehold
- Property Style
- Backsplit 4
- Community
- Unionville
- Municipality
- Markham
- Construction
- Brick
- Cross Street
- Helen/ Glenbar Gardens
- Front Door Facing
- South
- Local Amenities
- Park, School
- Lot Legal Description
- PART OF LOT 7, PLAN 2196 MARKHAM DESIGNATED AS PART 4, PLAN 65R-33761 SAVE AND EXCEPT PT5, 65R34549 CITY OF MARKHAM
- Data Source
- Toronto Regional Real Estate Board
- Brokerage
- CUSHMAN & WAKEFIELD
- Listed On
- Oct 07, 2025
- Listing Expires On
- Sep 30, 2026
- Listing Updated On
- May 27, 2026
- Bedrooms
- 3
- Bathrooms
- 2
- Kitchens
- 1
- Driveway
- Private
- Garage Type
- Attached
- Garage
- 2
- Parking
- 6
- Heating
- Forced Air
- Heat Source
- Gas
- Cooling
- Central Air
- Sewer
- Sewer
- Den / Family Room
- Yes
- Swimming Pool
- None
- Roof Material
- Shingles
- Foundation Type
- Other
- Interior Features
- Other
Listing History
Active263 days on marketCurrently viewingMLS #N12448686
Jan 6, 20265 months ago
Price Changed
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Oct 7, 20258 months ago
Listed for Sale
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Price Changed263 days on marketMLS #N12448683
Jan 6, 20265 months ago
Price Changed
Sign in to view
Oct 7, 20258 months ago
Listed for Sale
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Estimate History
Estimated value, last 24 months
Jul 2024 – Jun 2026
$1.43M
$1.34M
$1.26M
$1.17M
Jul
Dec
May
Oct
Mar
Jun
Automated estimate from Polsinello Predictive AI. Not an appraisal. Actual market value may differ.
Mortgage calculator
Estimated monthly payment
$18,294
Estimated payment. Does not include property tax, insurance, or condo fees.
Location & nearby
Unionville Real Estate Market
Markham · last 90 days
$1,620,000
Median sold price
-23.5%
Median price, year over year
26 days
Avg days on market
47
Homes sold (90 days)
36%
Sold above asking
60%
Sold below asking
$580–$721/ft²
Price per sq ft
Median price trend
Jun 2025 – Jun 2026
$2.35M
$2.06M
$1.77M
$1.47M
Jun
Sep
Dec
Mar
Jun
