238 Mary Street N
O'NeillOshawa, ONL1G 5C4Near Adelaide Ave E / Simcoe St
- 3 beds
3 upcoming open houses
Drop in during an open house, or tour online — no appointment needed.
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What this listing tells us
Legal two-storey duplex located in Oshawa's sought-after O'Neill neighbourhood, offering a prime investment property or ideal owner-occupied income opportunity. This legal two-unit home features two self-contained units, each with separate entrances, separate driveways, private kitchens with dishwashers, and in-suite laundry. The main floor unit includes 1 bedroom plus den and one full washroom, while the upper unit has been recently upgraded and offers 2 bedrooms plus den and one full washroom, featuring new laundry appliances, new dishwasher, upgraded LED light fixtures, and new bedroom closet doors. Both units are equipped with central air conditioning and forced-air heating with individual heat sensors, providing efficient climate control. A turnkey duplex in a high-demand rental area, close to schools, transit, shopping, and amenities, making it an excellent opportunity for investors, first-time buyers with rental income, or multi-generational living in Durham Region.
Cleaned for readability — original MLS® text was lightly de-abbreviated and decapitalized.
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 26, 2026 | ListedCurrent | For sale | $799,000 | — | E13495798 | This page |
| Jan 20, 2026 | Previously listed | Exp | $699,000 | — | E12715168 | View |
| Dec 28, 2024 | Previously listed | Exp | $1,950 | — | E11901896 | View |
| Aug 7, 2024 | Previously listed | Ter | $1,950 | — | E9247693 | 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
- None
- 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 Oshawa market
Live neighbourhood stats, the closed sales you'd negotiate against, and comparable active listings.
The Oshawa market right now
Average sold price, days on market, and closed-transaction count for Oshawa — sourced from MLS®.
- Avg sold price$722,236Last 30 days
- Median sold price$675,000Middle of the market
- Days on market24 dAvg from list to close
- Closed last 30d506MLS® transactions
We'll get you into 238 Mary Street N — 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 238 Mary Street N and found nothing flagged. We re-check automatically as new records publish.
Common questions about this property
Tap a question to expand the answer. Short, direct answers tuned for AI search and voice assistants.
How much is 238 Mary Street N listed for?
238 Mary Street N is listed at $799,000 on the MLS® (listing E13495798). The price refreshes on Summitly within minutes of any MLS® change.
How many bedrooms, bathrooms, and square feet does 238 Mary Street N 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.
