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Duplex for sale at 238 Mary Street N, Oshawa - 5 bedroom, 2 bathroom - Photo 1 of 5
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$799,000

238 Mary St N

Oshawa, ON L1G 5C4

238 Mary St N, OshawaListed at $799,000. 5 bedroom, 2 bathroom 2-Storey. MLS® E13495798.

5Beds
2Baths
1500-2000sqft
2-Storey
5Parking
$4,619 (2025)

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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

Property TypeDuplex
Style2-Storey
CommunityO'Neill
Rooms9
Kitchens2
Washrooms2
Square Feet1500-2000 sqft
Lot Dimensions54.99 × 110.22 ft
Fronting OnWest
Dir/Cross StAdelaide Ave E / Simcoe St
Garage TypeDetached
Garage Parking Spaces1
DrivePrivate Double
Parking Drive Spaces4
Total Parking Spaces5
ExteriorBrick
RoofOther
FoundationOther
BasementPartially Finished
Heating TypeForced Air
Heating SourceGas
A/CNone
SewersSewer
Taxes (2025)$4,619
HSTIncluded In
Listed Date6/26/2026
Days on Market17 days
PossessionTBA
Vick Yogeswaran - REALTOR

Your agent: Vick Yogeswaran

REALTOR® · RE/MAX Realtron Realty Inc.

Same-day showings available
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Listing Courtesy of: RE/MAX ACE REALTY INC.

MLS® #E13495798

TRREBMLS®

The listing data is provided under copyright by the Toronto Regional Real Estate Board (TRREB). The listing data is deemed reliable but is not guaranteed accurate by TRREB. 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 trademarks MLS®, Multiple Listing Service® and the associated logos are owned by CREA and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.

© 2026 Toronto Regional Real Estate Board. All rights reserved.

HouseIndex Take: 238 Mary Street N

This duplex (2-Storey) is located in the O'Neill neighbourhood of Oshawa.

The home offers 5+2 bedrooms, 2 bathrooms.

Features include a partially finished basement, 5 parking spaces including a 1-car garage.

Additional details: lot dimensions of 54.99 × 110.22 feet.

Listed at $799,000 CAD with annual property taxes of $4,619 (2025).

About Oshawa Real Estate

This Duplex is located in the O'Neill community in Oshawa. Oshawa is Durham Region's largest city and home to Ontario Tech University and Durham College. The city offers the GTA's most affordable detached homes with GO Transit connectivity to downtown Toronto. The Oshawa Centre, revitalized downtown core, and Lakeview Park provide amenities, while the 401/407 interchange ensures highway access.

Most affordable GTA detached homesOntario Tech University & Durham CollegeOshawa GO — 60 min to UnionLakeview Park & waterfront trail
~60 min commute to downtown TorontoWalkability: Moderate near downtown — car-oriented suburbs