238 Mary Street N, Oshawa, ON L1G 5C4
O'Neill, Oshawa · Near Adelaide Ave E / Simcoe St · View map
About this home
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.
The home
- Type
- Duplex
- Style
- 2-Storey
- Square footage
- 1500-2000 sq ft
- Bedrooms
- 3
- Basement bedrooms
- 2
- Bathrooms
- 2
- Kitchens
- 2
- Rooms
- 9
- Basement
- Partially Finished
- Lot size
- 55 x 110.2 ft
- Faces
- West
Ownership & fees
- Ownership
- Freehold
- Monthly condo fee
- None
- Exterior
- Brick
Heating & cooling
- Heating fuel
- Gas
- Heating type
- Forced Air
- Fireplace
- No
Garage & parking
- Garage
- Detached
- Garage spaces
- 1
- Driveway spaces
- 4
- Total parking
- 5
- Parking features
- Private Double
Taxes & other
- Property taxes
- $4,619/yr
- Tax year
- 2025
- Occupancy
- Vacant
- Possession
- TBA
- Cross street
- Adelaide Ave E / Simcoe St
- Neighbourhood
- O'Neill
More
- Price per sq ft
- ~$457 (at 1,750 sq ft)
- MLS® number
- E13495798
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No features listed yet.
- Mortgage
- Property tax
- Maintenance fee
Cash needed to close
Estimates only, using Canadian semi-annual compounding, Ontario land transfer tax. Mortgage default insurance is added when you put down less than 20%. Your lender and lawyer will confirm exact numbers.
238 Mary Street, Oshawa, ON L1G 5C4
O'Neill, Oshawa · Near Adelaide Ave E / Simcoe St
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Listing history for 238 Mary Street
See what this home and others at the same address were listed for, what they sold for, and how long it took.
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Frequently asked questions about 238 Mary Street N
Answers come straight from this home’s MLS® listing.
How much is 238 Mary Street N listed for, and what would it cost each month?
238 Mary Street N is listed for $799,000. With 20% down ($159,800), the mortgage payment would be roughly $3,223 a month at 4.5% over 30 years. Add property tax and the estimate comes to about $3,608 a month, all in. That figure is an illustration, not a quote.
Is 238 Mary Street N freehold or a condo, and is there a monthly fee?
238 Mary Street N is a duplex in O'Neill, Oshawa. Ownership is freehold: you own the home and the lot. There is no monthly condo fee, so the roof, windows, driveway, snow and lawn are yours to look after.
How many bedrooms and bathrooms does 238 Mary Street N have?
238 Mary Street N has 3 bedrooms, plus 2 more bedrooms in the basement, and 2 bathrooms. The listing gives the style as 2-storey.
Does 238 Mary Street N have a garage and parking?
Yes. The listing shows the garage as detached, with room for 1 car. The driveway adds 4 spaces. In total the listing counts 5 parking spaces.
Does 238 Mary Street N have a finished basement?
The listing describes the basement as partially finished. It counts 2 bedrooms on that level. Finished basement space is usually not counted in the square footage shown.
What style of home is 238 Mary Street N?
238 Mary Street N is a duplex. A multiplex holds two or more separate units under one roof, often bought to live in one unit and rent the others.
How big is 238 Mary Street N, and what is the lot size?
The listing puts the home between 1,500 and 2,000 sq ft. The board reports a range rather than an exact figure, and it usually leaves out the basement. The lot is listed as 55 x 110.2 ft.
How is 238 Mary Street N heated and cooled?
Heating is forced air (gas). The listing does not show air conditioning.
What are the property taxes for 238 Mary Street N?
Property taxes are $4,619 a year (2025), or about $385 a month.
Where is 238 Mary Street N?
238 Mary Street N is in the O'Neill community of Oshawa. The nearest main intersection is Adelaide Ave E / Simcoe St. The postal code is L1G 5C4.
Is 238 Mary Street N still for sale?
Yes. It is an active listing (MLS® E13495798). Listings here update from the board through the day and come down once a home sells.
What are similar properties near 238 Mary Street N asking?
Similar properties for sale nearby right now include 65 Wilson Road N at $698,800 (3+2 bed), 292 William Street E at $829,900 (4 bed) and 398 Olive Avenue at $849,900 (3+2 bed). These are asking prices, not sold prices. The Sold history tab shows what homes at this address went for.
What have homes at 238 Mary Street sold for?
Recent sales, leases and expired listings for this home and others at the same address are in the Sold history tab, with the price and date of each. It is free for members.
How do I book a showing at 238 Mary Street N?
Pick a day and time with Book a Tour on this page. Tours are free, with no obligation, in person or by video. You can also call or text 647-931-3923.
Have a different question? Ask about this home and get an answer, usually within the hour.
Similar properties nearby
More properties for sale near O'Neill, picked by style, size and price.
Duplex$698,80065 Wilson Road N, Oshawa3+2 bed · 2 bath · O'NeillCourtesy of: RE/MAX EXCEL REALTY LTD.View home →
Fourplex$829,900292 William Street E, Oshawa4 bed · 4 bath · O'NeillCourtesy of: Re/Max Impact RealtyView home →
Duplex$849,900398 Olive Avenue, Oshawa3+2 bed · 2 bath · CentralCourtesy of: Royal LePage Frank Real EstateView home →Courtesy of: RE/MAX ACE REALTY INC.
Listing information comes from the Toronto Regional Real Estate Board through PropTx and is deemed reliable but is not guaranteed accurate. It is provided for consumers' personal, non-commercial use. The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by The Canadian Real Estate Association (CREA) and identify the quality of services provided by real estate professionals who are members of CREA.
*Estimated monthly cost assumes 20% down, a 4.5% rate and a 30-year amortization, plus property tax. For illustration only.