138 Dianne Avenue

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 5896sqft above grade or approximately 9,200 sqft of premium living space across all levels. 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.

Listing Details

MLS #

40865276

Board

ITSO

Market

ontario

Property Type

Single Family Residence

Style

French Provincial

Garage Spaces

3

Parking Spaces

9

Fireplaces

4

Basement

Separate Entrance, Full, Finished, Sump Pump

Heating

Forced Air, Natural Gas, Radiant Floor

Cooling

Central Air

Lot Size

102.00 × 170 ft

Annual Taxes

$33,861/yr

Listed By

REMAX Hallmark Realty Ltd

Presented By

REMAX Hallmark®

Listed On

September 22, 2026

Days on Market

0

Features & Extras