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CA > Ontario > Oshawa > O'Neill > 238 Mary Street N

238 Mary Street N, Oshawa, ON

Oshawa, O'Neill Hood
Adelaide Ave E / Simcoe St
3+2 Br | 2 Bath | 1500-2000 Sqft
$699,000 For Sale

Property Overview

  • Duplex — 2-Storey
  • SqFt: | 1500-2000 Sqft
  • Lot Size: 54.99 x 110.22 Feet
  • Age: n/a
  • Basement: Partially Finished
  • Exterior: Brick
  • Taxes: 4,619 / 2025
  • Zoning: n/a
  • MLS #: E12715168
  • Sewer: Sewer
  • Heat Source: Gas , Forced Air

Property Description

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.

Property Details

  • For: For Sale
  • Type: Duplex
  • Style: 2-Storey
  • Lot: 54.99 x 110.22 Feet
  • Region: Durham
  • Hood: O'Neill
  • Zoning: n/a
  • Lot Irreg: Fronting on: West
  • Fronting On: West

Building Details

  • Age: n/a
  • Exterior: Brick
  • Heat: Gas , Forced Air
  • A/C: None
  • Interior Features: Other
  • Pool: None
  • Sewer: Sewer
  • Garage: Detached
  • Total Parking: 5.00
  • Driveway: Private Double

Property Interior

  • Sqft: 1500-2000 Sqft
  • Bed: 3 +2
  • Bath: 2
  • Kitchen: 2
  • Family Room: No
  • Basement: Partially Finished
Rooms Details

Living Room

Main Level

3.47 x 5.05

Hardwood Floor

Kitchen

Main Level

2.25 x 2.88

Tile Floor

Bedroom

Main Level

2.65 x 2.62

Hardwood Floor, 3 Pc Bath

Recreation

Basement Level

2.87 x 7.05

Laminate

Living Room

Upper Level

5.22 x 3.35

Hardwood Floor, Pot Lights

Kitchen

Upper Level

2.77 x 2.22

Tile Floor

Bedroom

Upper Level

2.82 x 2.74

Hardwood Floor, 3 Pc Bath

Den

Upper Level

3.5 x 2.23

Hardwood Floor, Window
Property Listed by: RE/MAX ACE REALTY INC.
Virtual Tour: n/a

Home Valuation Estimate

What is 238 Mary Street N, Oshawa, ON worth in today’s O'Neill, Oshawa market?

This HomeZira valuation preview helps buyers and sellers think through the asking price for this 3-bedroom Duplex with 1500-2000 sq. ft. in O'Neill, Oshawa. The full estimate reviews the property’s location, home type, bedroom count, size range, age, and nearby comparable market activity after sign-in.

Property-specific estimate See a valuation range built around this listing’s local profile.
Comparable market context Review how similar nearby homes help frame value.
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Location

  • Address: 238 Mary Street N
  • Neighborhood: O'Neill
  • Zip/Postal Code: L1G 5C4
  • Nearby Amenities:
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Kazi Hossain

Kazi Hossain

Kazi — Serving the Community for 19 Years!
REALTOR®

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About 238 Mary Street N, Oshawa, ON L1G 5C4, Oshawa

Located at 238 Mary Street N, Oshawa, ON in Oshawa (O'Neill neighbourhood), near Adelaide Ave E / Simcoe St. This freehold home offers Duplex, ["2-Storey"], 3 bedrooms, 2 bathrooms and 1500-2000 sq.ft. (approx.) in a layout suited to everyday family living. Basement: Partially Finished • 5 parking spots • Garage: Detached • Heating: Gas Forced Air • Cooling: None. Property taxes are approximately $4,619 for 2025. 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.

FAQs for 238 Mary Street N, Oshawa, ON , O'Neill , Oshawa

What are the listing details for 238 Mary Street N, Oshawa, ON?
238 Mary Street N, Oshawa, ON is a Duplex for sale in Oshawa, in the O'Neill neighbourhood, Durham. The current list price is $699,000. MLS number: E12715168.
How many bedrooms and bathrooms does this home have?
238 Mary Street N, Oshawa, ON is listed as a Duplex with a ["2-Storey"] style, featuring 3+2 bedroom(s) and 2 bathroom(s). The listed interior size range is 1500-2000 sq. ft..
What lot, basement, garage, or parking details are listed?
The lot size is listed as approximately 54.99 x 110.22 Feet. The basement is listed as: Partially Finished. Garage type: Detached. Total parking: 5 space(s).
What heating, cooling, and exterior details are shown?
Heating is listed as: Gas, Forced Air. Cooling is listed as: None. Exterior/construction materials are listed as: Brick.
Where is this property located?
238 Mary Street N, Oshawa, ON is located in the O'Neill neighbourhood of Oshawa. The listed cross street is Adelaide Ave E / Simcoe St.
What information is available on this public listing page?
The public listing page shows current active listing information, property photos, room details when available, map location, listed price, property features, and contact options. Annual taxes are listed as $4,619 / 2025. Valuation tools and similar sold-property previews are available after sign-in where applicable, without displaying sold data in this public FAQ.

FAQ content is based on current active listing fields shown on this page. Sold prices, sold comparables, and VOW-only details are not included in this public FAQ.