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For saleMLS® E14107444

342 Mary Street N, Oshawa, ON L1G 5C8

O'Neill · L1G 5C8

$449,000

$150 / sq ft

2 weeks on market

Bedrooms
2
Bathrooms
2
Interior
3,000 sf
Parking
5
Lot
52.11 × 142.31 ft

What's special

  • Attached garage
  • Central air
  • Finished basement

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About this property

Attention contractors, builders, and savvy investors! This detached two-storey home offers over 3,000 sq. ft. of space and endless potential for those looking to renovate, reimagine, or explore future development possibilities. Situated on a great-sized lot in the established community of O'Neil, this property is zoned R5-A, with potential for a fourplex development, subject to buyer due diligence and all applicable municipal approvals. Conveniently located close to schools, community centres, everyday amenities, and more, this is an exciting opportunity to unlock the full potential of a property in a desirable Oshawa location. Property is being sold AS IS, WHERE IS. Bring your vision, creativity, and plans to make the most of this unique opportunity!

Rooms

5 rooms. Dimensions as published by the listing brokerage.

Room dimensions and features
RoomLevelDimensionsFeatures
KitchenMain5.51 × 2.89 m18.1 × 9.5 ftWindow · Open Concept
Living RoomMain3.97 × 3.88 m13.0 × 12.7 ftWindow · Open Concept
Dining RoomMain3.69 × 3.48 m12.1 × 11.4 ftWindow · Open Concept
Primary BedroomUpper4.86 × 3.23 m15.9 × 10.6 ftHis and Hers Closets · Window · Broadloom
Bedroom 2Upper3.19 × 2.52 m10.5 × 8.3 ftWindow · Closet · Broadloom

Features

  • Other

Property details

Property

Property type
detached
Bedrooms
2
Bathrooms
2
Interior size
3,000 sq ft
Lot size
52.11 × 142.31 ft
Possession
Flexible

Interior

Basement
Unfinished
Heating
Forced Air · Gas
Cooling
Central Air
Exposure
West

Exterior & services

Construction
Brick Front
Garage
Attached
Parking spaces
5
Sewer
Sewer

Costs

List price
$449,000
Property taxes
$6,585 / year (2026)
Price per sq ft
$150
Rental items
Furnace, AC, Air Cleaner, Humidifier and Thermostat for $181.55 per month with Reliance Home Comfort

Listing

MLS® number
E14107444
Status
For sale
Listed
October 22, 2026
Days on market
14
Last updated
October 23, 2026
Listing brokerage
Keller Williams Energy Real Estate

Price & sale history

This property's sale history is hidden

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Before you make an offer

What this home costs beyond the asking price, and how that price compares to what else is on the market.

How this price compares

This home is priced below most comparable listings — about 0% of comparable detached listings in O'Neill are asking less.

$499KMedian $685K$791K
This home
$150 / sq ft
Comparable median
$600 / sq ft

Based on 40 comparable active detached listings in O'Neill. These are asking prices, not sale prices.

Mortgage estimate

Down payment5.0% · minimum $22,450
$22,450
Interest rate5-year fixed, illustrative only
4.49%
Amortization
Principal & interest
$2,358.47
Property tax (est.)
$548.74
Estimated monthly
$2,907

Estimate only. Excludes CMHC insurance premiums, which apply below 20% down, and does not constitute a mortgage approval or an offer of credit.

Land transfer tax

Payable on closing, on top of the purchase price.

Ontario
$5,455
Total due on closing
$5,455

An estimate on the asking price of $449,000. Rates current as of September 2026; confirm the final figure with your real estate lawyer.

Listing courtesy of Keller Williams Energy Real Estate. Listing data is provided in part by the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but is not guaranteed accurate. Information is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. Data is updated every 15 minutes.

$449,000

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