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Murat Sahiner, Broker | Home6 Team at RE/MAX Realtron Realty Inc., Brokerage | 88 Konrad Crescent, Markham, ON L3R 8T7

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138 DIANNE Avenue Oakville
For SaleOakville

138 DIANNE Avenue Oakville, Detached for Sale

MLS® W13813284

Oakville, ON

46 days on market
$5,590,000
Show on Map
Show on Map
5Beds
7Baths
9,200Sqft
9Parking
Detached

Overview· 138 DIANNE Avenue Oakville

MLS® #W13813284

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.

Inclusions

Power generator, Elevator, Existing kitchen built-in appliances, washer, dryer, existing lighting fixtures, garage Door Opener, Window Coverings

Broker

Re/Max Hallmark Realty Ltd.

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Walk Score®25Car-DependentCar-Dependent
Transit Score®25Some TransitSome Transit
Bike Score®45Somewhat BikeableSomewhat Bikeable
Schools887 schools within 1.5 km7 schools within 1.5 km
Parks10010 parks within 1 km10 parks within 1 km
Convenience10023 groceries, cafes and pharmacies within 1 km23 groceries, cafes and pharmacies within 1 km
Safety—Crime data covers Toronto onlyCrime data covers Toronto only

Highlights & Amenities· 138 DIANNE Avenue Oakville

Source: MLS® listing data
138 DIANNE Avenue Oakville

Detached

138 DIANNE Avenue Oakville

Oakville

Type

Detached

Basement

Separate Entrance, Finished

Parking

Attached (9)

Property Tax

~$33,861/yr

Heating

Forced Air

Buying Essentials

Square Feet

9200 sqft

Facing Direction

South

Parking

Attached (9)

Finances

List Price

$5,590,000

Price per SQFT

$608/sqft

Property Tax

~$33,861/yr

Property Specs

Property Type

Detached

MLS Size

9200 sqft

Basement

Separate Entrance, Finished

Living & Amenities

Heating Type

Forced Air

Features

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

Policies & Utilities

Neighbourhood

Oakville

Listed On

Sep 22, 2026

Price & Listing History

Days on Market

Current: 46 days

0306090120+

Rooms

Dining Room(Main)

19.8 x 19.4

384 sqft

Living Room(Main)

19.8 x 14.1

280 sqft

Kitchen(Main)

18.3 x 16.9

309 sqft

Dining Room(Main)

13.8 x 12.7

176 sqft

Family Room(Main)

32.5 x 18.3

595 sqft

Den(Main)

13.6 x 12.6

171 sqft

Primary Bedroom(Second)

18.6 x 14.3

267 sqft

Bedroom(Second)

13.8 x 12.7

176 sqft

Other(Second)

12.7 x 11.5

146 sqft

Bedroom(Second)

17.8 x 13.8

246 sqft

Bedroom(Second)

17.7 x 13.8

244 sqft

Laundry(Second)

10.1 x 8.6

87 sqft

Media Room(Lower)

31.1 x 10.9

339 sqft

Kitchen(Lower)

12.3 x 6.2

77 sqft

Bedroom(Lower)

18.9 x 13.6

258 sqft

Recreation(Lower)

44.4 x 18.3

813 sqft

Den(Lower)

12.9 x 12.0

154 sqft

Bathroom(Main)

4.9 x 7.9

39 sqft

Bathroom(Second)

18.0 x 14.0

251 sqft

Bathroom(Second)

5.9 x 12.0

71 sqft

Bathroom(Second)

5.9 x 11.8

70 sqft

Bathroom(Second)

5.9 x 12.0

71 sqft

Bathroom(Lower)

5.9 x 11.8

70 sqft

Bathroom(Lower)

5.9 x 6.6

39 sqft

RoomsDimensionsFeaturesSqft
Dining Room(Main)19.8 x 19.4—384
Living Room(Main)19.8 x 14.1—280
Kitchen(Main)18.3 x 16.9—309
Dining Room(Main)13.8 x 12.7—176
Family Room(Main)32.5 x 18.3—595
Den(Main)13.6 x 12.6—171
Primary Bedroom(Second)18.6 x 14.3—267
Bedroom(Second)13.8 x 12.7—176
Other(Second)12.7 x 11.5—146
Bedroom(Second)17.8 x 13.8—246
Bedroom(Second)17.7 x 13.8—244
Laundry(Second)10.1 x 8.6—87
Media Room(Lower)31.1 x 10.9—339
Kitchen(Lower)12.3 x 6.2—77
Bedroom(Lower)18.9 x 13.6—258
Recreation(Lower)44.4 x 18.3—813
Den(Lower)12.9 x 12.0—154
Bathroom(Main)4.9 x 7.9—39
Bathroom(Second)18.0 x 14.0—251
Bathroom(Second)5.9 x 12.0—71
Bathroom(Second)5.9 x 11.8—70
Bathroom(Second)5.9 x 12.0—71
Bathroom(Lower)5.9 x 11.8—70
Bathroom(Lower)5.9 x 6.6—39

Rooms

24

Listed Room Area

5,333 sqft

Source

Estimated from MLS room dimensions

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Mortgage Calculator

Mortgage Summary

Mortgage Payment$22,484/mo
Property Tax$2,822/mo
Total Monthly$25,306

Monthly Cash Flow (investors)

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Net Cash FlowN/A

Closing Costs

Estimated closing costs$0
Cash required incl. down payment$0