
421 Mary Street N
Oshawa (O'Neill), ON L1G 5E2
- 3Bedrooms
- 3Bathrooms
- 1Garage
- 1500–2000Sq Ft
- $7,089Tax
- 46×132 ftLot Size
- Estimated Value:$679,000See Free Estimate Report

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Free Home EvaluationHow Much Is My Home Worth?Homes for Sale NearbySale & Price History for 421 Mary Street N, Oshawa, O'Neill
| Start Date | End Date | Price | Event | MLS# |
|---|---|---|---|---|
| 2025-09-04 | 2025-11-07 | Login to See Prices | Sold | e12379816 |
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*Sold prices and complete sale & price history are regulated data. Under the Trust in Real Estate Services Act, 2002 (TRESA) and the rules of the Real Estate Council of Ontario (RECO), and pursuant to the Multiple Listing Service® rules of the Canadian Real Estate Association (CREA) and the Toronto Regional Real Estate Board (TRREB), this information may be shown only to registered users who have agreed to the applicable terms of use (a Virtual Office Website, or "VOW," arrangement). HOMEH Inc., Brokerage therefore provides it to signed-in members only. Creating an account is free and takes under a minute.
About 421 Mary Street N, Oshawa, O'Neill
Absolutely Stunning Home In The Highly Sought-After O'Neill School District! This beautifully renovated and thoughtfully appointed home blends the character and charm of the 1920s with todays modern conveniences. Perfectly located within walking distance to schools, hospital, courthouse, and downtown Ontario Tech campuses! Lovingly restored hardwood floors and original doors preserve the homes integrity, while spacious, flowing rooms create a warm and inviting atmosphere. The gourmet custom kitchen with premium appliances is a chefs dream. Gorgeous garden doors walk out to pristine gardens and a large fenced backyard. Convenient main-floor mudroom includes laundry and a 2-piece bath. The finished basement offers a versatile recreation room, home gym, and ample storage with built-in cabinetry. Beautifully crafted built-ins throughout complete this remarkable home! Furnace and Air Conditioner - 2017, Stucco on Exterior - 2017, Windows Completed in 2018. Many other upgrades and features.
Key Facts & Features
Property Costs
- Annual Property Tax Amount
- $7,089
- Land Transfer Tax Fee
- $14,455
- Basement Type
- Finished
Interior Features
- Interior Extras
- None
- Fireplace/Stove
- Yes
- Elevator
- No
Exterior Features
- Exterior Extras
- Landscaped
- Pool
- None
Building
- Building Type
- Detached
- Building Style
- 2-Storey
Construction
- Exterior Finish
- Stucco (Plaster)
- Roof
- Shingles
- Foundation Details
- Unknown
- Special Designation
- Unknown
Lot
- Lot Front
- 46.00 ft
- Lot Depth
- 132.00 ft
Inclusions
- Inclusions
- Fridge, Stove, Washer, Dryer, Freezer in the Basement
Exclusions
- Exclusions
- Curtains in sunroom, Garden decorations (pedestals will remain with home)
Parking & Garages
- Garage Type
- Detached
- Garage Spaces
- 1
- Parking Spaces
- 2
- Total Garage And Parking Spaces
- 3
Heating & Cooling
- Heat Source
- Gas
- Heat Type
- Forced Air
- Air Conditioning
- Central Air
- Water
- Municipal
- Sewers
- Sewer
- Bedrooms
- 3
- Washrooms
- 3
- Kitchens
- 1
Room sizes
- Living Room—Main level, Hardwood Floor, Gas Fireplace, B/I Shelves
- Dining Room—Main level, Hardwood Floor
- Kitchen—Main level, Hardwood Floor, L-Shaped Room
- Den—Main level, Hardwood Floor
- Primary Bedroom—Second level, Hardwood Floor, Double Closet
- Bedroom 2—Second level, Hardwood Floor, Closet
- Bedroom 3—Second level, Hardwood Floor
- Recreation—Basement level, Laminate
- Exercise Room—Basement level, Laminate
Washrooms
- 2-piece, Main
- 4-piece, Second
- 3-piece, Basement
- Municipality
- Oshawa
- Neighbourhood
- O'Neill
- Main cross streets
- Mary Street N & Sutherland Ave
- Directions
- Mary Street N & Sutherland Ave
- MLS® number
- E12379816
- Data source
- Toronto Regional Real Estate Board
- Status change
- 2025-11-07
- Listed on
- 2025-09-04
- Days on market
- 64 days
- Possession type
- Flexible
- Co-op commission
- 2.5%
- Seller
- Listed by
- ROYAL LEPAGE FRANK REAL ESTATE
Home Market Value
Current home valuation for 421 Mary Street N, Oshawa, O'Neill, Oshawa, ON. Listed for $899,000
HOMEH Estimate
$679,000
Estimated Sales Range
$475,300 - $882,700
HOMEH Estimate for 421 Mary Street N, Oshawa, O'Neill
Calculated with a real agent's CMA method — 45+ years of experience, codified. Not an AI guess.
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Mortgage Payment Calculator
Compare up to 4 down payment scenarios
5% on first $500K + 10% on $399,000 over $500K
$64,900
| Scenario 1 | Scenario 2 | Scenario 3 | Scenario 4 | |
|---|---|---|---|---|
−Down payment | % $ | % $ | % $ | % $ |
+CMHC insurance | $33,335 | $25,082 | $21,396 | $0 |
=Total mortgage | $866,708 | $834,182 | $785,546 | $719,200 |
Amortization | ||||
Mortgage rate | % | % | % | % |
| Payment frequency | ||||
=Mortgage payment | $4,232monthly | $4,073monthly | $3,835monthly | $3,511monthly |
Land Transfer Tax
$14,455
$14,455
Around this home
No schools found nearby
Data provided by OpenStreetMap & Fraser Institute School Rankings
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