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43.73° N · 79.40° W — Toronto & nearby · 9,735 homes for sale today43.73° N · 79.40° W — 9,735 homes today(647) 554-7436Saved

43.9143° N · 78.8693° W — O'Neill, Oshawa — MLS® #E14102176

621 Masson St

$799,900

O'Neill, Oshawa, Ontario L1G 5A4

4
BedroomsBeds
2
BathroomsBaths
1500-2000 sqft1500-2000
SizeSq ft
40 x 144.54 ft
Lot sizeLot

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In short · from the listing record

621 Masson St is a 4-bedroom, 2-bathroom detached house in O'Neill, Oshawa, listed for sale at an asking price of $799,900 (MLS® E14102176).

Step into the charm and character of a beautiful all-brick century home, where timeless craftsmanship meets the comforts of today. Rich with original and unique architectural details, this special residence offers a rare opportunity to own a home with true personality and history. Ideally situated in a prime location within a sought-after school district, this four-bedroom, one-and-a-half-bath home offers generous space for family living, entertaining, and making memories for years to come. Original features throughout tell the story of the home's heritage, creating warmth and character that simply cannot be replicated in newer construction. Every room offers its own sense of charm, while the solid brick exterior provides the enduring beauty and presence of a classic century home. Outside, the property becomes its own private escape. A beautiful stone patio provides the perfect setting for summer dinners, morning coffee, or evenings spent entertaining friends, while the large backyard offers plenty of room for children, gardening, pets, or simply enjoying the outdoors. Solid garage with hydro is perfect as a workshop or outdoor storage. A rare combination of architectural character, generous living space, a prime location, and an exceptional yard, this is a home with a story to tell - and the opportunity to become part of yours. A/C heat pump installed 2026.

Listing readings

How it measures up

Scores from the listing record and the market around it.

  • 68Good

    Condition score

    6 condition-related facts documented

    Listing age, structured features and disclosed update language; not an inspection.

  • 43Shortfall

    Cash flow quality

    −$715/mo against the cost of owning (20% down, 4.8%, 25 yrs)

    Median of 29 detached homes with 4 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
$5,577 / 2026
MLS® number
E14102176
Board
TRREB MLS®
Property Type
Detached
Building Age
51-99
Time on market
Size
1500-2000 sqft
Lot Size
40 x 144.54 ft
Listed on
Parking
1 Detached, 4 Parking

Listing history

Listing activity for 621 Masson St, Oshawa, Ontario

Date StartDate EndList PricePriceEventListing ID
Date StartN/AN/A$799,900N/AFor SaleE14102176

Inside

Room by room

From the listing.

Main5 rooms
  • Foyer1.34 × 1.4 mhardwood floor, French Doors
  • Living7.35 × 3.47 mhardwood floor, Gas Fireplace, French Doors
  • Dining4.31 × 3.01 mhardwood floor, Swing Doors
  • Breakfast2.55 × 2.02 mLaminate
  • Kitchen2.94 × 3.01 mVinyl Floor, O/Looks Backyard
2nd4 rooms
  • Primary4.14 × 3.47 mhardwood floor, Closet
  • 2nd Br3.1 × 3.47 mhardwood floor, Closet
  • 3rd Br3.38 × 3.1 mhardwood floor, Closet
  • 4th Br2.54 × 3.1 mhardwood floor, Closet
3rd1 room
  • Other7.35 × 8.7 m
Bsmt2 rooms
  • Laundry1.35 × 5.13 mConcrete Floor
  • Workshop7.35 × 3.47 mConcrete Floor

Property

Property Type
Detached
Style
2-Storey
Community
O'Neill
Municipality
Oshawa

Building

Size
1500-2000 sqft
Building Age
51-99
Construction
Brick

Inside

Bedrooms
4
Bathrooms
2
Bathroom Details
1 × 4pc 2nd, 1 × 2pc Bsmt
Basement Type
Full
Kitchens
1

Parking

Driveway
Private
Garage Type
Detached
Garage
1
Additional Parking
3
Total Parking
4

Utilities

Water
Municipal
Cooling
Wall Unit
Heating Type
Radiant

Land

Sewer
Sewers
Frontage
40 ft
Depth
144.54 ft
Lot Size
40 x 144.54 ft

Where it sits

The street and the area

Asking prices on the map.

Map and tour

Transit nearby

StationLinesDistance
Durham College Oshawa GOGO Transit train: Lakeshore East5 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.

Around it

Detached in O'Neill

Active listings only, today.

Detached homes for sale in O'Neill right now

For sale now
43
Median asking price
$680K

Middle half: $592K to $724K

New in 7 days
8

25 in 28 days

Price cuts
9%

4 listings

This home is asking 18% above the median, higher than three quarters of them.

See all homes in O'Neill

Asking prices and counts of the MLS® listings on this site as of today. Asking figures only, never sold or leased prices.

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: 1.2 km
  • water wellsNone in rangeNo water-supply well recorded within 250 m 6 test or monitoring holes also recorded.
  • groundwaterOn recordGroundwater recorded about 2.5 m below ground nearby The middle water level in the well records within 500 m (8 records). It changes with the season and from spot to spot.
  • npriNone in rangeNo facility within 1 km reports pollutant releases to Environment Canada Only facilities above the inventory’s reporting thresholds are listed.
  • fcsiNone in rangeNo federal contaminated site within 1 km The federal inventory covers federal land only; it says nothing about 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
5,782 sq ft537 m²
Street frontage
40 ft12.2 m
Depth
144.54 ft44.1 m
40 × 144.54 ftMASSON ST

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, measured by MPAC.

Land transfer tax on this home

Ontario land transfer tax
$12,473
Total land transfer tax
$12,473
First-time buyer rebates (Ontario up to $4,000)
−$4,000
Total for first-time buyers
$8,473
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 $799,900
$7,998
Ontario total
$12,473

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

  • Dr S J Phillips Public SchoolDurham DSBPublic · grades JK–877%Grade 6 average100 m
  • Hillsdale Public SchoolDurham DSBPublic · grades JK–849%Grade 6 average850 m
  • St Christopher Catholic SchoolDurham CDSBCatholic · grades JK–8 · French Immersion65%Grade 6 average1.6 km
  • École élémentaire Antonine MailletConseil scolaire ViamondeFrench-language public · grades JK–8100%Grade 6 average2.3 km

SecondaryGrade 9 math 2024–25

  • O'Neill Collegiate and Vocational InstituteDurham DSBPublic · grades 9–1249%Grade 9 math1 km
  • R S Mclaughlin Collegiate and Vocational InstituteDurham DSBPublic · grades 9–12 · French Immersion53%Grade 9 math1.9 km
  • Monsignor Paul Dwyer Catholic High SchoolDurham CDSBCatholic · grades 9–12 · French Immersion47%Grade 9 math1.9 km
  • ÉSC Saint-Charles-GarnierConseil scolaire catholique MonAvenirFrench-language Catholic · grades 9–1267%Grade 9 math7.1 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.

Price$799,900

A month, all in

$4,115

  • Mortgage$3,650
  • Property tax$465

A planning figure, not a quote.

Land transfer tax

$12,473

$8,473 for first-time buyers.

Rent, similar homes

$3,400

a month, median asking rent of 29 similar homes in Oshawa.

Community

Who lives around it

Similar homes

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Shemeer Ahmad

Shemeer AhmadVALERY REAL ESTATE INC.

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(647) 554-7436

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