140 Mary Street N

140 Mary Street N
140 Mary Street N
140 Mary Street N
+37
4+2
 bed
3
 bath
4
 parking
2000 - 2500
 sqft
Triplex
$999,900
For Sale
48 days
 on site
$999,900
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Size
-
Lot size
4037 sqft
Street frontage
-
Possession
Flexible
Price per sqft
$400 - $500
Taxes
$6,936.37 (2025)
Parking Type
-
Style
2-Storey
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Description
Investors Take Note! 140 Mary Street North is a 12 year old, legal purpose-built triplex. Over $70k income potential! A property like this is a very rare find! Situated in the desirable O'Neill area of Oshawa close to schools, parks, transit, Costco, Lakeridge Health Oshawa, and walking distance to downtown. All three units are very bright and spacious with two large bedrooms, a full bathroom, open concept kitchen with centre island, and separate living and dining rooms. Each unit has its own private laundry, individual furnace, central air (Units 2 & 3), and owned hot water tank. The units are almost identical in layout. There is an abundance of cupboard and counter space in the kitchens, plus a pantry. All units have plenty of storage with a front hall closet plus large bedroom closets. Unit 1 (lower level) is home to the water room and master electric on/off switches. Three gas and three hydro meters - Landlord only pays the water! Each unit has its own electrical panel inside the unit for easy access when necessary. Unit 2 new central air 2019, Unit 3 new air conditioner June 2025, Unit 3 new furnace 2023 . This property is ideal for an investor but could also work for someone looking to live in one unit and rent the others. Two units tenanted - place your own tenants in remaining unit or or move in yourself! All three units in this legal triplex present beautifully and have the same open, highly functional layout - come see for yourself!
Broker: ROYAL LEPAGE TERREQUITY REALTY
MLS®#: E12479435
Property details
Parking:
4
Parking type:
-
Property type:
Triplex
Heating type:
Forced Air
Style:
2-Storey
MLS Size:
2000-2500 sqft
Lot front:
44 Ft
Lot depth:
91 Ft
Listed on:
Oct 23, 2025
Show all details
Rooms
LevelNameSizeFeatures
Main
Bedroom 2
13.7 x 13.1 ft
Main
Primary Bedroom
13.7 x 13.0 ft
Upper
Dining Room
8.5 x 13.8 ft
Show all
Instant estimate:
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$56,634
lower than listed price
i
High
$1,010,857
Mid
$943,266
Low
$908,707
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About 140 Mary Street N

140 Mary Street N is an Oshawa triplex for sale. 140 Mary Street N has an asking price of $999900, and has been on the market since October 2025. This triplex has 4+2 beds, 3 bathrooms and is 2000-2500 sqft. 140 Mary Street N resides in the Oshawa O'Neill neighbourhood, and nearby areas include Central Oshawa, McLaughlin, Vanier and Centennial.

Some good places to grab a bite are Copper Branch, Rainbow Restaurant Oshawa or Stag Head Pub & Grill. Venture a little further for a meal at one of O'Neill neighbourhood's restaurants. If you love coffee, you're not too far from Booster Juice located at 202 Ritson Rd N. For those that love cooking, Costco Wholesale is only a 3 minute walk.

If you are reliant on transit, don't fear, 140 Mary St N, Oshawa has a public transit Bus Stop (Simcoe NB / Colborne) not far. It also has route Pulse 901, and route Route N2 close by.