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NewMLS® W138001040 days on market

584 Fourth Line

Oakville, ON L6L 5A7

$4,498,000

Listing courtesy of SAM MCDADI REAL ESTATE INC.

6 bedrooms7 bathroomsDetached

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.

Property Details

Architecture style2 1/2 Storey
Bedrooms above grade5
Kitchens1
Family roomYes
BasementFinished, Full
FireplaceYes
HeatingForced Air
CoolingCentral Air
Ensuite laundryNo
Parking spaces8
Parking typePrivate
GarageBuilt-In
Exterior finishStone, Wood
SewerSewer
Land size0.377 Feet
Property taxes$22,557 (2025)
Cross streetS Service Rd & Fourth Line

Property Features

  • Sauna
  • Guest Accommodations
  • Auto Garage Door Remote
  • Carpet Free
  • In-Law Capability
  • Deck
  • Landscaped
  • Lawn Sprinkler System
  • Lighting
  • Porch

Room Dimensions

RoomLevelDimensionsDescription
Living RoomMain20'8'' x 15'12''
Dining RoomMain20'7'' x 15'12''
Family RoomMain25'4'' x 19'9''
KitchenMain12'12'' x 25'10''
BreakfastMain11'7'' x 20'5''
OfficeMain17'5'' x 17'4''
Primary BedroomSecond20'7'' x 19'6''
Bedroom 2Second22'8'' x 13'6''
Bedroom 3Second13'9'' x 12'3''
Bedroom 4Second21'3'' x 14'9''
DenSecond17'0'' x 16'9''
Bedroom 5Third17'11'' x 15'9''
BedroomBasement13'11'' x 16'8''
RecreationBasement39'11'' x 15'3''
Exercise RoomBasement23'1'' x 23'6''
Media RoomBasement20'0'' x 18'3''