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$4,498,000
15 Days On Site

584 Fourth Line
Oakville, ON L6L 5A7

For Sale|Single Family Residence|Active
6
Beds
7
Total Baths
5,000
SqFt
—
/SqFt
County:
Halton
584 Fourth Line584 Fourth Line584 Fourth Line584 Fourth Line
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Set on a deep pool-sized lot in prestigious South Oakville, this custom-built estate offers over 8,500 SF of meticulously finished living space. A dramatic slab feature wall & oversized entry door make a striking first impression, introducing soaring ceilings, wide-plank oak flooring, architectural detailing & expansive windows that seamlessly connect indoor & outdoor living. The designer kitchen is a chef's dream, featuring state-of-the-art B/I appliances, an oversized island, quartz & natural wood surfaces, custom cabinetry, a full prep pantry, dedicated servery, & accordion windows that open directly to the backyard for effortless entertaining. Sun-filled principal rooms flow into a stunning family room anchored by a statement fireplace wall & a W/O to a covered rear portico, which includes its own fireplace, lounge, & dining areas overlooking the pool-ready backyard. A spectacular 22-ft office/library creates the ideal work-from-home setting. Upstairs, the luxurious primary retreat offers a fireplace, custom walk-in closet & spa-inspired ensuite w/ heated floors & a freestanding tub. Generous secondary bedrooms feature ensuite/semi-ensuite access, while the third-floor loft serves as a versatile guest retreat, executive lounge, studio, or additional bedroom w/ a wet bar, W/I closet & private ensuite. Recently completed, the lower level delivers a true lifestyle experience w/ multiple entertainment lounges, a designer wet bar/kitchenette w/ W/O access, a theatre/games room, sauna, wine cellar, guest suite, heated floors throughout & a spa-inspired bath w/ a double rainfall shower. Modern luxury meets everyday comfort w/ a newly installed elevator services all levels, multiple fireplaces, B/I speakers, smart home systems, EV charging rough-in, pet washing station, landscaped grounds & walkouts to multiple private decks. Ideally located near top-rated schools, boutique shopping, private clubs, Lake Ontario, Bronte Harbour & convenient access to the QEW & Hwy 403.

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Listing Snapshot
Price 
$4,498,000
Days On Site 
15 Days
Bedrooms 
6
Inside Area (SqFt) 
5,000 sqft
Total Baths 
7
Full Baths 
N/A
Partial Baths 
N/A
Lot Size 
0.377 Acres
Year Built 
N/A
MLS® Number 
W13800104
Status 
Active
Property Tax 
$22,557
Maintenance Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
2 weeks agoListing updated with changes from the MLS®
2 weeks agoListing first seen on site
General Features
Acres 
0.377
Attached Garage 
Yes
Cross Street 
S Service Rd & Fourth Line
Direction Faces 
West
Garage 
Yes
Number Of Stories 
2
Parking 
Garage Door OpenerPrivateAttached
Parking Spaces 
10
Property Condition 
New Construction
Property Sub Type 
Single Family Residence
Security 
Carbon Monoxide Detector(s)
Style 
2 1/2 Storey
Interior Features
Basement 
FinishedFull
Cooling 
Central Air
Fireplace 
Yes
Heating 
Natural GasForced Air
Interior 
ElevatorSauna
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Exterior Features
Construction Details 
Wood SidingStone
Exterior 
Lighting
Fencing 
Fenced
Lot Features 
On Golf Course
Patio And Porch 
DeckPorch
Pool Features 
None
Roof 
AsphaltMetal
Listing courtesy of SAM MCDADI REAL ESTATE INC.

Listing information is provided by Participants of the Toronto Real Estate Board. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Copyright 2026, Toronto Real Estate Board
Last checked 2026-10-03 11:25 AM UTC

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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