238 Mary Street N
238 Mary Street N
238 Mary Street N
238 Mary Street N
238 Mary Street N
1 / 5
5 photos

238 Mary Street N

O'Neill, Oshawa, ON
Listed yesterday
$799,000For Sale
$581,115Estimated value
3+2Bedrooms
2Bathrooms
1500-2000 sqftSize
5 (1 garage)Parking
55 ft × 110 ftLot Size
DuplexProperty Type

238 Mary Street N

Oshawa, ON · O'Neill

Listed yesterday
Bedrooms3+2
Bathrooms2
Size1500-2000 sqft
Parking5 (1 garage)
Lot Size55 ft × 110 ft
Property TypeDuplex
$799,000
For Sale
MLS# E13495798
$581,115Estimated value

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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,…

Features & Details

Property Type
Duplex
Tax
$4,619 / 2025
Size
1500-2000 sqft
Lot Size
54.99 x 110.22 Feet
Basement Info
Partially Finished
Total Parking Spaces
5 (1 Garage)
Title
Residential Freehold
Property Style
2-Storey
Community
O'Neill
Municipality
Oshawa
Construction
Brick
Cross Street
Adelaide Ave E / Simcoe St
Front Door Facing
West
Lot Legal Description
LT C13 SHEET 8 PL 335 EAST WHITBY; OSHAWA
Data Source
Toronto Regional Real Estate Board
Brokerage
RE/MAX ACE REALTY INC.
Listed On
Jun 26, 2026
Listing Expires On
Dec 25, 2026
Listing Updated On
Jun 26, 2026
Bedrooms
3+2
Bathrooms
2
Kitchens
2
Rooms
9
Bathroom Detail
3 Pcs on Main Level
Bathroom Detail
3 Pcs on Upper Level
Driveway
Private Double
Garage Type
Detached
Garage
1
Parking
5
Heating
Forced Air
Heat Source
Gas
Cooling
None
Sewer
Sewer
Den / Family Room
Yes
Swimming Pool
None
Roof Material
Other
Foundation Type
Other
Interior Features
Other

Listing History

Active1 day on marketCurrently viewingMLS #E13495798
Jun 26, 20262 days ago
Listed for Sale
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Listed for Sale158 days on marketMLS #E12715168
Jan 20, 20265 months ago
Listed for Sale
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Estimate History

Estimated value, last 24 months
Jul 2024 – Jun 2026
$641K
$614K
$586K
$558K
Jul
Dec
May
Oct
Mar
Jun

Automated estimate from Polsinello Predictive AI. Not an appraisal. Actual market value may differ.

Mortgage calculator

Estimated monthly payment
$3,898

Estimated payment. Does not include property tax, insurance, or condo fees.

Location & nearby

O'Neill Real Estate Market

Oshawa · last 90 days
$632,450
Median sold price
+60.9%
Median price, year over year
30 days
Avg days on market
31
Homes sold (90 days)
32%
Sold above asking
65%
Sold below asking
$473–$693/ft²
Price per sq ft
Median price trend
Jun 2025 – Jun 2026
$773K
$626K
$479K
$332K
Jun
Sep
Dec
Mar
Jun

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