43.9045° N · 78.8636° W — O'Neill, Oshawa — MLS® #E13495798
238 Mary St
$799,000
O'Neill, Oshawa, Ontario L1G 5C4
- 3+2
- BedroomsBeds
- 2
- BathroomsBaths
- 1500-2000 sqft1500-2000
- SizeSq ft
- 54.99 x 110.22 ft
- Lot sizeLot
Inquire about this listing
In short · from the listing record
238 Mary St is a 3+2-bedroom, 2-bathroom duplex in O'Neill, Oshawa, listed for sale at an asking price of $799,000 (MLS® E13495798).
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.
Listing readings
How it measures up
Scores from the listing record and the market around it.
78Good
Condition score
2 documented update signals
Listing age, structured features and disclosed update language; not an inspection.
34Shortfall
Cash flow quality
−$1,031/mo against the cost of owning (20% down, 4.8%, 25 yrs)
Median of 14 homes with 5 bedrooms for lease in Oshawa right now. Cost of owning counts the mortgage and property tax.
Condition uses listing-record signals, not an inspection.
The data table
Every fact
Everything the board publishes for this home.
- Tax
- $4,619 / 2025
- MLS® number
- E13495798
- Board
- TRREB MLS®
- Property Type
- Duplex
- Time on market
- Size
- 1500-2000 sqft
- Lot Size
- 54.99 x 110.22 ft
- Listed on
- Parking
- 1 Detached, 5 Parking
Listing history
Listing activity for 238 Mary St, Oshawa, Ontario
| Date Start | Date End | List Price | Price | Event | Listing ID |
|---|---|---|---|---|---|
| Date StartN/A | N/A | $799,000 | N/A | For Sale | E13495798 |
Inside
Room by room
From the listing.
- Living5.05 × 3.47 mHardwood Floor
- Kitchen2.88 × 2.25 mTile Floor
- Br2.62 × 2.65 mhardwood floor, 3 Pc Bath
- Living3.35 × 5.22 mhardwood floor, Pot Lights
- Kitchen2.22 × 2.77 mTile Floor
- Br2.74 × 2.82 mhardwood floor, 3 Pc Bath
- Den2.23 × 3.5 mhardwood floor, Window
- Rec7.05 × 2.87 mLaminate
Property
- Property Type
- Duplex
- Style
- 2-Storey
- Community
- O'Neill
- Municipality
- Oshawa
Building
- Size
- 1500-2000 sqft
- Construction
- Brick
Inside
- Bedrooms
- 3+2
- Bathrooms
- 2
- Bathroom Details
- 1 × 3pc Main, 1 × 3pc Upper
- Basement Type
- Partly Finished
- Kitchens
- 2
Parking
- Driveway
- Pvt Double
- Garage Type
- Detached
- Garage
- 1
- Additional Parking
- 4
- Total Parking
- 5
Utilities
- Water
- Municipal
- Cooling
- None
- Heating Type
- Forced Air
Land
- Sewer
- Sewers
- Frontage
- 54.99 ft
- Depth
- 110.22 ft
- Lot Size
- 54.99 x 110.22 ft
Where it sits
The street and the area
Asking prices on the map.
Map and tour
Transit nearby
| Station | Lines | Distance |
|---|---|---|
| Durham College Oshawa GO | GO Transit train: Lakeshore East | 4.1 km |
The nearest subway, light rail, train, bus rapid transit stations 5 km, as the crow flies. Source: GO Transit schedule data (GTFS) from Metrolinx under the Open Government Licence – Ontario – Metrolinx, downloaded October 18, 2026. Data used in this product or service is provided with the permission of Metrolinx. Metrolinx makes no representations or warranties of any kind, express or implied, with respect to the Data and assumes no responsibility for the accuracy or currency of the data used in this product or service. Contains information licensed under the Open Government Licence – Ontario – Metrolinx.
Site report
What the record says
What the City and the conservation authority have on file for this address.
- provincial plansNone in rangeOutside the Greenbelt, Oak Ridges Moraine and Niagara Escarpment plan areas
- wetlandNone in rangeNo mapped wetland within 120 m
- aggregateNone in rangeNo licensed pit or quarry within 2 km
- wellsNone in rangeNo recorded oil, gas or salt well within 250 m
- trailOn recordA trail on the Ontario trail network within 1 km
- airportOn recordNearest airport: 2.2 km
- water wellsNone in rangeNo water-supply well recorded within 250 m
- npriNone in rangeNo facility within 1 km reports pollutant releases to Environment Canada Only facilities above the inventory’s reporting thresholds are listed.
- fcsiOn record1 federal contaminated site within 1 km All of them are closed. The federal inventory covers federal land only, not provincial or private sites.
- electricityOn recordElectricity is distributed here by Oshawa PUC Networks Inc.
- internet speedOn recordWired internet 50/10 Mbps or faster is listed at this location Fixed wireless 50/10 Mbps or faster. LTE mobile coverage listed. ISED’s National Broadband Data at the nearest household point (10 m from the listing); 50/10 Mbps is its top category and includes faster plans. Confirm with a provider for this address.
- broadbandOn recordAcross the surrounding area: fibre to the home, cable, DSL internet listed Fibre to the home: Bell, NFTC, Rogers. Cable: Rogers. DSL: Bell. Fixed wireless: Bell, Dash Networks, Rogers, Ruralwave, Xplore. Mobile: Bell, Freedom Mobile, Rogers, Telus. Satellite: Xplore. ISED’s list for the surrounding ~25 km² area; check with a provider for this address.
Each record is the map at the home’s location, not an inspection. Confirm anything that matters with the municipality, Central Lake Ontario Conservation or the record’s publisher.
Contains information licensed under the Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Ontario.
Lot
- Lot area
- 6,061 sq ft563 m²
- Street frontage
- 54.99 ft16.8 m
- Depth
- 110.22 ft33.6 m
The area is the frontage multiplied by the depth, so boundaries are approximate. Confirm with a survey before you buy.
Source: the MLS® listing record.
Land transfer tax on this home
- Ontario land transfer tax
- $12,455
- Total land transfer tax
- $12,455
- First-time buyer rebates (Ontario up to $4,000)
- −$4,000
- Total for first-time buyers
- $8,455
See how this is worked out
- 0.5% on the first $55,000
- $275
- 1.0% from $55,000 to $250,000
- $1,950
- 1.5% from $250,000 to $400,000
- $2,250
- 2.0% from $400,000 to $799,000
- $7,980
- Ontario total
- $12,455
An estimate at the asking price, for a home with one or two single-family residences. Your lawyer confirms the exact amount.
Schools
Nearest schools
Straight-line distances. Check catchments with the board.
ElementaryEQAO average 2024–25
- S A Cawker Public SchoolDurham DSBPublic · grades JK–872%Grade 6 average300 m
- Mary Street Community SchoolDurham DSBPublic · grades JK–876%Grade 6 average400 m
- Sir Albert Love Catholic SchoolDurham CDSBCatholic · grades JK–869%Grade 6 average1.6 km
- École élémentaire Antonine MailletConseil scolaire ViamondeFrench-language public · grades JK–8100%Grade 6 average2.2 km
SecondaryGrade 9 math 2024–25
- O'Neill Collegiate and Vocational InstituteDurham DSBPublic · grades 9–1249%Grade 9 math250 m
- R S Mclaughlin Collegiate and Vocational InstituteDurham DSBPublic · grades 9–12 · French Immersion53%Grade 9 math2.2 km
- Monsignor Paul Dwyer Catholic High SchoolDurham CDSBCatholic · grades 9–12 · French Immersion47%Grade 9 math2.5 km
- ÉSC Saint-Charles-GarnierConseil scolaire catholique MonAvenirFrench-language Catholic · grades 9–1267%Grade 9 math7.7 km
EQAO: share of students at or above the provincial standard, 2024–25 (Ontario open data). These are the schools nearest this home, not the schools it is assigned to: boundaries change, and some schools take students by application. Confirm with the board before you buy. Contains information licensed under the Open Government Licence – Ontario.
Searches this home is in
Keep looking
The ledger
What it costs to own
Worked out for this home. Change any number.
A month, all in
$4,031
- Mortgage$3,646
- Property tax$385
A planning figure, not a quote.
Land transfer tax
$12,455
$8,455 for first-time buyers.
Rent, similar homes
$3,000
a month, median asking rent of 14 similar homes in Oshawa.
Community
Who lives around it
Similar homes
You might also like
For sale nearby at a similar price.
Shemeer AhmadVALERY REAL ESTATE INC.
Want to see it this week?
Ask me anything about this home, or what fair looks like nearby.