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For saleMLS® W13800104

584 Fourth Line, Oakville, ON L6L 5A7

West · L6L 5A7

$4,498,000

$900 / sq ft

1 months on market

Bedrooms
5+1
Bathrooms
7
Interior
5,000 sf
Parking
10
Lot
60 × 272.6 ft
Age
6-15 years

What's special

  • Built-in garage
  • Central air
  • Finished basement
  • Fireplace
  • Sauna
  • Guest accommodations
  • Auto garage door remote
  • Carpet free

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About this property

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.

Rooms

16 rooms. Dimensions as published by the listing brokerage.

Room dimensions and features
RoomLevelDimensionsFeatures
Living RoomMain6.31 × 4.87 m20.7 × 16.0 ftPot Lights · W/O To Deck · Hardwood Floor
Dining RoomMain6.28 × 4.87 m20.6 × 16.0 ftPot Lights · Built-in Speakers · Hardwood Floor
Family RoomMain7.73 × 6.01 m25.4 × 19.7 ftFireplace · W/O To Deck · Overlooks Backyard
KitchenMain3.95 × 7.88 m13.0 × 25.9 ftPantry · Centre Island · B/I Appliances
BreakfastMain3.54 × 6.22 m11.6 × 20.4 ftPot Lights · W/O To Deck · Hardwood Floor
OfficeMain5.32 × 5.29 m17.5 × 17.4 ftFireplace · B/I Shelves · Vaulted Ceiling(s)
Primary BedroomSecond6.28 × 5.94 m20.6 × 19.5 ftWalk-In Closet(s) · 5 Pc Ensuite · Heated Floor
Bedroom 2Second6.92 × 4.11 m22.7 × 13.5 ftDouble Closet · Semi Ensuite · Window
Bedroom 3Second4.20 × 3.74 m13.8 × 12.3 ftDouble Closet · Semi Ensuite · Window
Bedroom 4Second6.47 × 4.49 m21.2 × 14.7 ftDouble Closet · 3 Pc Ensuite · Window
DenSecond5.19 × 5.10 m17.0 × 16.7 ftPot Lights · Wet Bar · Hardwood Floor
Bedroom 5Third5.47 × 4.79 m17.9 × 15.7 ftWalk-In Closet(s) · 3 Pc Ensuite · Window
BedroomBasement4.24 × 5.07 m13.9 × 16.6 ftB/I Closet · 3 Pc Bath · Above Grade Window
RecreationBasement12.17 × 4.64 m39.9 × 15.2 ftCloset · 4 Pc Bath · Combined w/Kitchen
Exercise RoomBasement7.04 × 7.16 m23.1 × 23.5 ftPot Lights · Elevator · Hardwood Floor
Media RoomBasement6.10 × 5.56 m20.0 × 18.2 ftPot Lights · Built-in Speakers · Hardwood Floor

Features

  • Sauna
  • Guest Accommodations
  • Auto Garage Door Remote
  • Carpet Free
  • In-Law Capability

Property details

Property

Property type
detached
Bedrooms
5 + 1
Bathrooms
7
Interior size
5,000 sq ft
Year built
6-15
Lot size
60 × 272.6 ft
Possession
TBD

Interior

Basement
Finished, Full
Heating
Forced Air · Gas
Cooling
Central Air
Fireplaces
1
Exposure
West

Exterior & services

Construction
Stone, Wood
Garage
Built-In
Parking spaces
10
Sewer
Sewer

Costs

List price
$4,498,000
Property taxes
$22,557 / year (2026)
Price per sq ft
$900
Rental items
Hot water tank (if rental)

Listing

MLS® number
W13800104
Status
For sale
Listed
September 17, 2026
Days on market
48
Last updated
September 17, 2026
Listing brokerage
SAM MCDADI REAL ESTATE INC.

Price & sale history

This property's sale history is hidden

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Before you make an offer

What this home costs beyond the asking price, and how that price compares to what else is on the market.

How this price compares

This home is priced above most comparable listings — about 97% of comparable detached listings in West are asking less.

$1.10MMedian $2.29M$3.73M
This home
$900 / sq ft
Comparable median
$1,000 / sq ft

Based on 93 comparable active detached listings in West. These are asking prices, not sale prices.

Mortgage estimate

Down payment20.0% · minimum $899,600
$899,600
Interest rate5-year fixed, illustrative only
4.49%
Amortization
Principal & interest
$19,896.17
Property tax (est.)
$1,879.75
Estimated monthly
$21,776

Estimate only. Excludes CMHC insurance premiums, which apply below 20% down, and does not constitute a mortgage approval or an offer of credit.

Land transfer tax

Payable on closing, on top of the purchase price.

Ontario
$98,925
Total due on closing
$98,925

An estimate on the asking price of $4,498,000. Rates current as of September 2026; confirm the final figure with your real estate lawyer.

Listing courtesy of SAM MCDADI REAL ESTATE INC.. Listing data is provided in part by the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but is not guaranteed accurate. Information is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. Data is updated every 15 minutes.

$4,498,000

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