342 Mary Street N
O'Neill · Oshawa, ON L1G 5C8
Listing brokerage: Keller Williams Energy Real Estate
Asking price
$449,000
Key facts
- DetachedProperty type
- 2Bedrooms
- 2Bathrooms
- 5 spacesParking
- 3,250 sq ftLiving space
- 52.11 ftLot frontage
- Oct 22, 2026Listed
- 17 daysOn market
- E14107444MLS® number
About this home
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!
Price history
- Listed$449,000
Location
342 Mary Street N, Oshawa
Schools & transit
School locations and boards shown from open data. We do not publish rankings; any future scores will be sourced, dated and shown factually.
Nearby schools
- S A Cawker Public SchoolDurham DSB · Elementary · 74 m in a straight lineBoundary data unavailable for this board — we don't guess catchment lines.
- O'Neill Collegiate and Vocational InstituteDurham DSB · Secondary · 74 m in a straight lineBoundary data unavailable for this board — we don't guess catchment lines.
- Mary Street Community SchoolDurham DSB · Elementary · 678 m in a straight lineBoundary data unavailable for this board — we don't guess catchment lines.
Nearby transit
Lines nearby: 52, 56, 618, 901, N2
- Simcoe St. N. @ Parkwood Crt.GO Transit · 186 m in a straight line · about 2 min walk (estimate) · 52, 56
- Simcoe Northbound @ Parkwood (Lakeridge Health Oshawa)Durham Region Transit · 189 m in a straight line · about 2 min walk (estimate) · 618, 901, N2
- Simcoe Southbound @ Parkwood (Lakeridge Health Oshawa)Durham Region Transit · 220 m in a straight line · about 3 min walk (estimate) · 618, 901, N2
Sources
- Contains information licensed under the Open Government Licence – Ontario. Source: Ontario Ministry of Education.
- 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 public sector information made available under The Regional Municipality of Durham's Open Data Licence.
MLS® #E14107444
Last updated Oct 23, 2026
MLS®, Multiple Listing Service®, and the associated logos are owned by The Canadian Real Estate Association (CREA)/the applicable board and identify the quality of services provided by real estate professionals who are members.
Listing data is provided under licence by the Toronto Regional Real Estate Board and is deemed reliable but not guaranteed accurate.
