311 Helen Avenue
Village Green-South UnionvilleMarkham, ONL3R 1J9Near Helen / Glenbar Gardens
- 3 beds
3 upcoming open houses
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What this listing tells us
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
Cleaned for readability — original MLS® text was lightly de-abbreviated and decapitalized.
- Perfect Residential Infill Redevelopment Opportunity for Townhouse or Single Family Homes. +202 ft Frontage and backing onto municipal parkland.
Listing, price, and tax history
Every previous listing of this property, every list-price change, and 5 years of estimated annual property tax — switch tabs to drill in.
| Date | Event | Status | Price | Change | MLS® | View |
|---|---|---|---|---|---|---|
| Jun 10, 2026 | Previously listed | New | $3,795,000 | — | N13424458 | View |
| Jun 10, 2026 | ListedCurrent | For sale | $3,795,000 | — | N13424448 | This page |
| Aug 21, 2025 | Sold | Sold | $3,600 | unchanged | N12317141 | View |
| Jul 31, 2025 | Previously listed | Lsd | $3,600 | — | N12317141 | View |
Inside this property
Systems, finishes, room dimensions, and building information — pulled from the full MLS® feed.
Features & systems
Heating, cooling, parking, exterior, lot, possession, and more.
Systems
4- Heating
- Forced Air
- Air conditioning
- Central Air
- Water source
- Municipal
- Sewer
Getting around, schools & the block
Walkability and transit, the nearest schools, an interactive map of the exact spot, and what's nearby.
The money — monthly cost, mortgage & return
Everything financial in one place: what you'd pay each month, a live mortgage calculator at the asking price, and what it could return as a rental.
Cost of ownership
A monthly snapshot at typical assumptions — personalize the mortgage just below.
How this home sits in the Markham market
Live neighbourhood stats, the closed sales you'd negotiate against, and comparable active listings.
The Markham market right now
Average sold price, days on market, and closed-transaction count for Markham — sourced from MLS®.
- Avg sold price$1,154,397Last 30 days
- Median sold price$1,090,000Middle of the market
- Days on market28 dAvg from list to close
- Closed last 30d887MLS® transactions
We'll get you into 311 Helen Avenue — the seller pays our commission
On every MLS® listing in Canada, the seller's brokerage pays a cooperating commission to whoever brings the buyer. Buyer representation is free to you.
$0 to you. The seller pays our fee.
On every MLS® listing in Canada, the seller's brokerage advertises a cooperating commission for the buyer's agent. A Coldwell Banker Summit Realty agent represents you — you owe us nothing.
Property flags & disclosures
An automated scan of public records and news for anything a buyer should know about this specific address — liens, outstanding work orders, or stigma-related history. We never invent flags.
We scanned public records and news for liens, outstanding work orders, and stigma-related history (e.g. a former grow-op or fire) at 311 Helen Avenue and found nothing flagged. We re-check automatically as new records publish.
Common questions about this property
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How much is 311 Helen Avenue listed for?
311 Helen Avenue is listed at $3,795,000 on the MLS® (listing N13424448). The price refreshes on Summitly within minutes of any MLS® change.
How many bedrooms, bathrooms, and square feet does 311 Helen Avenue have?
Coldwell Banker Summit Realty is a RECO-licensed Ontario real estate brokerage, independently owned and operated. Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Listing data is sourced from MLS® and is provided for informational purposes only — not guaranteed accurate by the MLS® or its members. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.
