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NEXT Open House details
Feb 01, 2026 01:00 PM - 03:00 PM EST

456 Mary Street N
O'Neill Oshawa L1G 5E3

$799,000
Residential Freehold beds: 4+1 baths: 2.0

Main Photo: 456 Mary Street N in Oshawa: O'Neill House for sale : MLS®# E12738266
Photo 1: 456 Mary Street N in Oshawa: O'Neill House for sale : MLS®# E12738266
Photo 2: 456 Mary Street N in Oshawa: O'Neill House for sale : MLS®# E12738266
Photo 3: 456 Mary Street N in Oshawa: O'Neill House for sale : MLS®# E12738266
Photo 4: 456 Mary Street N in Oshawa: O'Neill House for sale : MLS®# E12738266
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Photo 39: 456 Mary Street N in Oshawa: O'Neill House for sale : MLS®# E12738266
Open House - Feb 01, 2026
01:00 PM - 03:00 PM EST
NOTES: Open House on Sunday, February 1, 2026 1:00PM - 3:00PM
Status:
Active
Prop. Type:
Residential Freehold
MLS® Num:
E12738266
Bedrooms:
4+1
Bathrooms:
2
Welcome To This Rare And Timeless Home, Circa 1924, Quietly Set In Oshawa's Highly Sought-After Olde Simcoe Heights Neighbourhood. Rich In Character And Thoughtfully Maintained, This Is The Kind Of Home You Grow Into, Put Roots Down In, And Stay For Years To Come. Step Inside This Inviting Four Bedroom Residence Where Original Hardwood Floors, High Baseboards, And Detailed Wood Trim Create Warmth And Timeless Appeal. The Bright Living Room With Its Sunlit Front Parlour Offers A Welcoming Space To Relax, While The Adjoining Dining Room Is Perfectly Suited For Family Dinners And Holidays. The Home Offers Generous Living Space On Every Level. Upstairs, Four Spacious Bedrooms Provide Flexibility For Growing Families, Guest Rooms, Or Home Offices. The Partly Finished Basement Adds Even More Versatility With A Recreation Room, Additional Bedroom, And A Three Piece Bathroom That Works For Extended Family, Guests, Or Work-From-Home Needs. Outside, A Large Deck Overlooks The Oversized Private Backyard, An Ideal Setting For Outdoor Dining, Entertaining, Or Simply Enjoying Quiet Evenings At Home. A Rear Gate Leads Directly To A City Walkway With Access To Dr. S.J. Phillips School, Offering Everyday Convenience For Families. The Detached Garage Adds Valuable Storage Or Creative Workspace. Set On A Premium Lot In A Warm, Family-Friendly Community, This Home Blends Heritage Charm With Everyday Comfort. Enjoy Being Steps From Top-Rated Schools, Parks, Trails, Costco, And All Essential Amenities, Along With Nearby Parkwood Estate And Easy Access To Lakeridge Health. This Is A Rare Opportunity To Purchase A True Forever Home In One Of Oshawa's Most Established And Beloved Neighbourhoods.
Property Type:
Residential Freehold
Property Sub Type:
Detached
Home Style:
2-Storey
Total Approx Floor Area:
1500-2000
Lot Depth:
144'6½"
Lot Frontage:
40'
Lot Details:
40.00 x 144.54 Feet
Direction Faces:
West
Bedrooms:
4+1
Bathrooms:
2.0
Water supply:
Municipal
Kitchens:
1
Bedrooms Above Grade:
4
Bedrooms Below Grade:
1
Kitchens Above Grade:
1
# Main Level Bedrooms:
0
# Main Level Bathrooms:
0
Rooms Above Grade:
8
Rooms Below Grade:
4
Rooms:
12
Heating type:
Forced Air
Heating Fuel:
Gas
Cooling:
Yes
Foundation:
Concrete Block
Roof:
Asphalt Shingle
Basement:
Separate Entrance, Partially Finished
Fireplace/Stove:
No
Attached Garage:
No
Garage:
Detached
Garage Spaces:
1.0
Parking Features:
Private
Parking Spaces:
5
Total Parking Spaces:
6.0
Family Room:
No
Possession Details:
TBD
Pool:
None
Link:
No
HST Applicable To Sale Price:
Included In
Taxes:
$6,600.98 / 2025
Assessment:
$- / -
Durham
Oshawa
O'Neill
Other
Other
Fridge, Stove, Dishwasher, Washer, Dryer, All Electrical Light Fixtures, Window Coverings, Play Structure In Backyard.
Brick
No
No
Floor
Type
Size
Other
Main
Living Room
19'3" × 15'5"
Hardwood Floor, L-Shaped Room, Pocket Doors
Main
Dining Room
14' × 13'5"
Hardwood Floor, Pocket Doors
Main
Sunroom
11'11" × 7'5"
Concrete Floor
Main
Kitchen
16'1" × 10'6¾"
W/O To Deck
Second
Primary Bedroom
12'8" × 10'3"
Double Closet
Second
Bedroom 2
12'6" × 10'4"
Double Closet
Second
Bedroom 3
12'6¾" × 9'11"
Double Closet
Second
Bedroom 4
12' × 9'9"
Closet
Basement
Recreation
24'6" × 11'3"
3 Pc Bath, Pot Lights
Basement
Office
12'4" × 7'10⅞"
Closet
Basement
Utility Room
11'4" × 7'7¾"
Basement
Laundry
24'5" × 12'6¾"
UFFI:
No
Special Designation:
Unknown
Sewers:
Sewer
Air Conditioning:
Central Air
Central Vacuum:
No
Seller Property Info Statement:
No
Laundry Level:
Lower Level
Date Listed:
Jan 29, 2026
Original Price:
Previous Price:
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Listed by RE/MAX HALLMARK FIRST GROUP REALTY LTD.
Data was last updated January 29, 2026 at 06:15 PM (UTC)
Area Statistics
Listings on market:
14
Avg list price:
$699,000
Min list price:
$549,999
Max list price:
$1,099,000
Avg days on market:
24
Min days on market:
1
Max days on market:
127
These statistics are generated based on the current listing's property type and located in O'Neill. Average values are derived using median calculations. This data is not produced by the MLS® system.
This website may only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate of the type being offered via the website. The data relating to real estate on this website comes in part from the MLS® Reciprocity program of the PropTx MLS®. The data is deemed reliable but is not guaranteed to be accurate.