© 2026 HomeSix Realty Inc. All rights reserved.
MLS® N14108462
Vaughan, ON
A rare opportunity to own a distinguished estate on prestigious Arnold Avenue in the heart of Prime Old Thornhill. Set on an exceptional 100 x 160 ft lot, this stately stone-front two-storey residence offers 5 spacious bedrooms, 9 washrooms, soaring ceilings, and an abundance of natural light. Multiple skylights enhance the bright, elegant interior, while expansive principal rooms are designed for refined family living and grand entertaining. A 3-car garage, circular interlocked driveway, and secondary service entrance add exceptional functionality. The private, sun-filled backyard creates a serene setting with outstanding privacy. Nestled on one of Thornhill's most prestigious streets, this remarkable estate offers timeless elegance in an unrivalled location.
Broker
RE/MAX REALTRON REALTY INC.
Own a home here? See what it could sell for.
Use this listing address as a starting point for a Home6 seller valuation.
Detached
166 Arnold Avenue Vaughan
Vaughan
Type
Detached
Basement
Finished, Finished with Walk-Out
Parking
Attached (11)
Property Tax
~$20,149/yr
Heating
Forced Air
Buying Essentials
Facing Direction
North
Parking
Attached (11)
Finances
List Price
$3,799,000
Property Tax
~$20,149/yr
Property Specs
Property Type
Detached
Basement
Finished, Finished with Walk-Out
Living & Amenities
Heating Type
Forced Air
Features
Central Vacuum
Policies & Utilities
Neighbourhood
Vaughan
Listed On
Oct 22, 2026
Days on Market
Current: 16 days
Hardwood Floor, Bay Window, Sunken Room
13.8 x 21.7
299 sqft
Hardwood Floor, Glass Block Window, Pot Lights
13.8 x 21.1
291 sqft
Granite Floor, Modern Kitchen, Breakfast Area
16.1 x 14.8
238 sqft
Granite Floor
14.5 x 19.6
284 sqft
Hardwood Floor, French Doors
13.3 x 16.0
213 sqft
Hardwood Floor, Walk-Out, Marble Fireplace
18.9 x 19.8
374 sqft
Hardwood Floor, 6 Pc Ensuite, Walk-In Closet(s)
18.7 x 15.1
282 sqft
Hardwood Floor, 4 Pc Ensuite, W/O To Sundeck
13.8 x 14.5
200 sqft
Hardwood Floor, 4 Pc Ensuite, Walk-In Closet(s)
20.9 x 19.8
413 sqft
Laminate, Sauna
20.0 x 20.0
399 sqft
Laminate
—
Laminate
—
Rooms
12
Listed Room Area
2,993 sqft
Source
Estimated from MLS room dimensions
Learn about the area and demographics around this address.
Schools closest to 166 Arnold Avenue Vaughan.
Source: No verified source available.Catchment boundaries and ratings are shown only when available.
Active alternatives ranked by location, property type, price, bedrooms, size, bathrooms, and recency.
Recent sold or leased properties are shown separately from active alternatives.
Close to 166 Arnold Avenue Vaughan.