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Home · Buy · Oakville · 138 DIANNE Avenue, Oakville, ON L6J 4G9
138 DIANNE Avenue, Oakville, ON L6J 4G9
138 DIANNE Avenue, Oakville, ON L6J 4G9
138 DIANNE Avenue, Oakville, ON L6J 4G9
138 DIANNE Avenue, Oakville, ON L6J 4G9
138 DIANNE Avenue, Oakville, ON L6J 4G9+ 24 photos
For Sale · Detached

138 DIANNE Avenue, Oakville, ON L6J 4G9

Oakville · 1011 - MO Morrison
2-StoreySeparate Entrance, Finished basementAttached garageSouth exposure
4 + 1
Beds
7
Baths
9
Parking
5000 +
Sq ft
—
Built
The honest picture
List price
$5,750,000
Renavu Estimate
—
Benchmark · 2-Storey Detached
$1,727,700
Listed 233% above the Oakville benchmark for 2-storey detached homes (TRREB HPI, June 2026). Estimate for guidance only — not an appraisal.

About this home

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.

Property details

Listed on
April 20, 2026
Days on market
95 days
Property tax
$33,861 (2025)
Lot
102 × 167 Acres
Style
2-Storey
Rooms
24
Heating
Forced Air
Cooling
Central Air
MLS®
W13021262

Full details

Parking
GarageAttached
Total parking9
Parking featuresFront Yard Parking, Private Double, Other, Inside Entry

Room dimensions

RoomLevelDimensionsFeatures
Dining RoomMain19.1 x 19.05—
Living RoomMain19.1 x 14.02—
KitchenMain18.04 x 16.11—
Dining RoomMain13.1 x 12.09—
Family RoomMain32.06 x 18.04—
DenMain13.08 x 12.07—
Primary BedroomSecond18.08 x 14.04—
BedroomSecond13.1 x 12.09—
OtherSecond12.09 x 11.06—
BedroomSecond17.1 x 13.1—
BedroomSecond17.08 x 13.1—
LaundrySecond10.02 x 8.07—
Media RoomLower31.02 x 10.11—
KitchenLower12.04 x 6.03—
BedroomLower18.11 x 13.08—
RecreationLower44.05 x 18.04—
DenLower12.11 x 12—
BathroomMain1.5 × 2.4—
BathroomSecond5.48 × 4.26—
BathroomSecond1.8 × 3.65—
BathroomSecond1.8 × 3.6—
BathroomSecond1.8 × 3.65—
BathroomLower1.8 × 3.6—
BathroomLower1.8 × 2—

Property & sold history

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See this home's sale & listing history

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Run the numbers

True cost to close
What you actually need in cash — land transfer tax, closing costs, and your down payment.
Purchase price
$
Down payment · 20.0%
$
Down:or type any amount above
Homes over $1.5M require a minimum 20% down payment.
Legal fees
$
Title insurance
$
Home inspection
$
Ontario land transfer tax$130,225
Legal · title · inspection$2,800
Closing costs$133,025
Down payment$1,150,000
Total cash to close$1,283,025
Estimates only, not legal or tax advice. Ontario LTT rates 2025; City of Toronto MLTT applies inside Toronto (incl. Scarborough, North York, Etobicoke, York, East York). Durham and Markham buyers pay no municipal LTT.
$5,750,000
MLS® W13021262 · Listed by Re/Max Hallmark Realty Ltd.
Call The Renavu Team
Shan Perinpanathan
Shan Perinpanathan
Real Estate Broker, ABR, SRS
416.655.4040
Pam Thiyagarajah
Pam Thiyagarajah
Sales Representative
416.436.0546
Ragu Rajaguru
Ragu Rajaguru
Real Estate Broker
416.712.2006
One team. No spam. We reach out once — when you ask.

Listing courtesy of Re/Max Hallmark Realty Ltd.. Presented by Royal LePage Ignite Realty, Brokerage. Data provided by TRREB — deemed reliable but not guaranteed; for consumers' personal, non-commercial use. Listing information last updated May 19, 2026.

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