Property photo 1
Property photo 2
Property photo 3
Property photo 4
Property photo 5
5 Beds
7 Baths

C$5,590,000

138 DIANNE Avenue, Oakville ON, L6J 4G9

Property typeResidential

Overview

Active

New

Listed Sep 22, 2026

Updated 2 days ago

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.

Additional information

MLS® ID
W13813284

Interior Features

Bedrooms
5
Bathrooms
7
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
Yes

Exterior Features

Lot Size
0 Acres

Other Property Details

Taxes
$33,861
Tax Frequency
Annually
Garage
Yes
New Construction
Yes
55+/Senior Community
No

 

Courtesy of Listed by , Re/Max Hallmark Realty Ltd.,

Based on information from the Toronto Regional Real Estate Board. The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose. Information is deemed reliable but is not guaranteed accurate.

©2026 Toronto Real Estate Board. All rights reserved. 

Data last updated 3:27 AM UTC, 10/7/2026

 

Powered by Luxury Presence