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For saleMLS® W13813284

138 DIANNE Avenue, Oakville, ON L6J 4G9

Morrison · L6J 4G9

$5,590,000

$1,118 / sq ft

1 months on market

Bedrooms
4+1
Bathrooms
7
Interior
5,000 sf
Parking
9
Lot
102 × 167 ft

What's special

  • Attached garage
  • Central air
  • Separate entrance
  • 4 fireplaces
  • Bar fridge
  • Water heater
  • Sump pump
  • Air exchanger

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About this property

This exceptional estate exemplifies timeless European elegance and modern sophistication in a most coveted prestigious enclave of S.E Oakville within walking distance to the lake and downtown. Designed by Bill Hicks, this custom home offers approximately 9,200 sqft premium living space across all levels or 5896sf above grade. Built to the owner's highest standards, this masterpiece features an elevator, full power generator, and a 3-car heated garage with heated driveway. The main level showcases herringbone walnut floors,10ft soaring ceilings, and elegant large principal rooms with a hand-carved marble fireplace mantel, a 600+sqft great room could be used as a ballroom for larger entertaining. The chef-inspired kitchen boasts top-of-the-line Wolf/Subzero/Miele appliances, custom cabinetry, and an expansive center island. The primary suite is a private retreat with a luxurious 6-piece ensuite under an artistic glass dome skylight, opulent dressing room, and walk-out terrace. The finished lower level offers a recreation room, theatre, second kitchen, and a nanny suite-ideal for extended family. Enjoy outdoor living on the stone patio and covered porch with gas fireplace, surrounded by professionally landscaped grounds. State-of-the-art mechanicals include radiant heating in the garage, basement, and driveway.

Rooms

20 rooms. Dimensions as published by the listing brokerage.

Room dimensions and features
RoomLevelDimensionsFeatures
Dining RoomMain6.04 × 5.91 m19.8 × 19.4 ft—
Living RoomMain6.04 × 4.31 m19.8 × 14.1 ft—
KitchenMain5.58 × 5.15 m18.3 × 16.9 ft—
Dining RoomMain4.21 × 3.88 m13.8 × 12.7 ft—
Family RoomMain9.90 × 5.58 m32.5 × 18.3 ft—
DenMain4.16 × 3.83 m13.6 × 12.6 ft—
BathroomMain1.50 × 2.40 m4.9 × 7.9 ft—
Primary BedroomSecond5.68 × 4.36 m18.6 × 14.3 ft—
BedroomSecond4.21 × 3.88 m13.8 × 12.7 ft—
OtherSecond3.88 × 3.50 m12.7 × 11.5 ft—
BedroomSecond5.43 × 4.21 m17.8 × 13.8 ft—
BedroomSecond5.38 × 4.21 m17.7 × 13.8 ft—
LaundrySecond3.09 × 2.61 m10.1 × 8.6 ft—
BathroomSecond5.48 × 4.26 m18.0 × 14.0 ft—
BathroomSecond1.80 × 3.65 m5.9 × 12.0 ft—
Media RoomLower9.49 × 3.32 m31.1 × 10.9 ft—
KitchenLower3.75 × 1.90 m12.3 × 6.2 ft—
BedroomLower5.76 × 4.16 m18.9 × 13.6 ft—
RecreationLower13.53 × 5.58 m44.4 × 18.3 ft—
DenLower3.93 × 3.65 m12.9 × 12.0 ft—

Features

  • Bar Fridge
  • Water Heater
  • Sump Pump
  • Air Exchanger
  • Central Vacuum

Property details

Property

Property type
detached
Bedrooms
4 + 1
Bathrooms
7
Interior size
5,000 sq ft
Lot size
102 × 167 ft
Zoning
RL1-0
Possession
Flexible

Interior

Basement
Separate Entrance, Finished
Heating
Forced Air · Gas
Cooling
Central Air
Fireplaces
4
Exposure
South

Exterior & services

Construction
Stone
Garage
Attached
Parking spaces
9
Sewer
Sewer

Costs

List price
$5,590,000
Property taxes
$33,861 / year (2025)
Price per sq ft
$1,118
Rental items
Hot water tank

Listing

MLS® number
W13813284
Status
For sale
Listed
September 22, 2026
Days on market
44
Last updated
October 6, 2026
Listing brokerage
Re/Max Hallmark Realty Ltd.

Price & sale history

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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 in line with comparable listings — about 63% of comparable detached listings in Morrison are asking less.

$2.20MMedian $4.00M$7.96M
This home
$1,118 / sq ft
Comparable median
$1,413 / sq ft

Based on 52 comparable active detached listings in Morrison. These are asking prices, not sale prices.

Mortgage estimate

Down payment20.0% · minimum $1,118,000
$1,118,000
Interest rate5-year fixed, illustrative only
4.49%
Amortization
Principal & interest
$24,726.46
Property tax (est.)
$2,821.75
Estimated monthly
$27,548

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
$126,225
Total due on closing
$126,225

An estimate on the asking price of $5,590,000. Rates current as of September 2026; confirm the final figure with your real estate lawyer.

Listing courtesy of Re/Max Hallmark Realty Ltd.. 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.

$5,590,000

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