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!
About this home
Photos of 342 Mary Street N
Facts and features of 342 Mary Street N
| Type | Detached |
|---|---|
| Style | 1 1/2 Storey |
| Bedrooms | 2 |
| Bathrooms | 2 |
| Size | 3000-3500 sq ft |
| Lot | 52.11 x 142.31 Feet |
| Parking | 5 |
| Garage | Attached |
| Heating | Forced Air |
| Cooling | Central Air |
| Basement | Unfinished |
| Exterior | Brick Front |
| Taxes | $6,585 (2026) |
| Days on market | 9 |
| Listing brokerage | Keller Williams Energy Real Estate |
Rooms
5 rooms, with sizes
| Room | Level | Size | Features |
|---|---|---|---|
| Primary Bedroom | Upper | 15′ 11″ × 10′ 7″ 4.86 × 3.23 m | his and hers closets, window, broadloom |
| Dining Room | Main | 12′ 1″ × 11′ 5″ 3.69 × 3.48 m | window, open concept |
| Kitchen | Main | 18′ 1″ × 9′ 6″ 5.51 × 2.89 m | window, open concept |
| Bedroom 2 | Upper | 10′ 6″ × 8′ 3″ 3.19 × 2.52 m | window, closet, broadloom |
| Living Room | Main | 13′ 0″ × 12′ 9″ 3.97 × 3.88 m | window, open concept |
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342 Mary Street N
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342 Mary Street N
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MLS® E14107444 Data source: PropTx Listed October 22, 2026
