584 Fourth Line
WestOakville, ONL6L 5A7Near S Service Rd & Fourth Line
- 5 beds
3 upcoming open houses
Drop in during an open house, or tour online — no appointment needed.
- Open houseDate TBDTime TBD
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What this listing tells us
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 built-in 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 walk-out 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, walk-in closet & private ensuite. Recently completed, the lower level delivers a true lifestyle experience w/ multiple entertainment lounges, a designer wet bar/kitchenette w/ walk-out 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, built-in 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.
Cleaned for readability — original MLS® text was lightly de-abbreviated and decapitalized.
Listing, price, and tax history
Every previous listing of this property, every list-price change, and 5 years of estimated annual property tax — switch tabs to drill in.
| Date | Event | Status | Price | Change | MLS® | View |
|---|---|---|---|---|---|---|
| May 22, 2026 | ListedCurrent | For sale | $4,498,000 | — | W13162726 | This page |
| Apr 5, 2025 | Previously listed | Exp | $4,498,000 | — | W12064477 | View |
| Oct 3, 2024 | Previously listed | Exp | $4,688,000 | — | W9381116 | View |
| Jun 29, 2024 | Previously listed | Exp | $4,688,000 | — | W8490246 | View |
| Apr 5, 2024 | Previously listed | Ter | $4,750,000 | — | W8209090 | View |
Inside this property
Systems, finishes, room dimensions, and building information — pulled from the full MLS® feed.
Features & systems
Heating, cooling, parking, exterior, lot, possession, and more.
Systems
4- Heating
- Forced Air
- Air conditioning
- Central Air
- Water source
- Municipal
- Sewer
Getting around, schools & the block
Walkability and transit, the nearest schools, an interactive map of the exact spot, and what's nearby.
Points of interest classified by the MLS® feed.
- Fenced Yard
- Golf
- Park
- Rec./Commun.Centre
The money — monthly cost, mortgage & return
Everything financial in one place: what you'd pay each month, a live mortgage calculator at the asking price, and what it could return as a rental.
Cost of ownership
A monthly snapshot at typical assumptions — personalize the mortgage just below.
How this home sits in the Oakville market
Live neighbourhood stats, the closed sales you'd negotiate against, and comparable active listings.
The Oakville market right now
Average sold price, days on market, and closed-transaction count for Oakville — sourced from MLS®.
- Avg sold price$1,558,377Last 30 days
- Median sold price$1,353,500Middle of the market
- Days on market31 dAvg from list to close
- Closed last 30d813MLS® transactions
We'll get you into 584 Fourth Line — the seller pays our commission
On every MLS® listing in Canada, the seller's brokerage pays a cooperating commission to whoever brings the buyer. Buyer representation is free to you.
$0 to you. The seller pays our fee.
On every MLS® listing in Canada, the seller's brokerage advertises a cooperating commission for the buyer's agent. A Coldwell Banker Summit Realty agent represents you — you owe us nothing.
Property flags & disclosures
An automated scan of public records and news for anything a buyer should know about this specific address — liens, outstanding work orders, or stigma-related history. We never invent flags.
We scanned public records and news for liens, outstanding work orders, and stigma-related history (e.g. a former grow-op or fire) at 584 Fourth Line and found nothing flagged. We re-check automatically as new records publish.
Common questions about this property
Tap a question to expand the answer. Short, direct answers tuned for AI search and voice assistants.
How much is 584 Fourth Line listed for?
584 Fourth Line is listed at $4,498,000 on the MLS® (listing W13162726). The price refreshes on Summitly within minutes of any MLS® change.
How many bedrooms, bathrooms, and square feet does 584 Fourth Line have?
Coldwell Banker Summit Realty is a RECO-licensed Ontario real estate brokerage, independently owned and operated. Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Listing data is sourced from MLS® and is provided for informational purposes only — not guaranteed accurate by the MLS® or its members. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.
