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For saleMLS® N14108462

166 Arnold Avenue, Vaughan, ON L4J 1B7

Crestwood-Springfarm-Yorkhill · L4J 1B7

$3,799,000

$760 / sq ft

1 weeks on market

Bedrooms
5+1
Bathrooms
9
Interior
5,000 sf
Parking
11
Lot
100.36 × 159.74 ft

What's special

  • Attached garage
  • Central air
  • Walk-out basement
  • Fireplace
  • Central vacuum

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About this property

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.

Rooms

12 rooms. Dimensions as published by the listing brokerage.

Room dimensions and features
RoomLevelDimensionsFeatures
Living RoomMain4.20 × 6.61 m13.8 × 21.7 ftHardwood Floor · Bay Window · Sunken Room
Dining RoomMain4.20 × 6.43 m13.8 × 21.1 ftHardwood Floor · Glass Block Window · Pot Lights
KitchenMain4.90 × 4.51 m16.1 × 14.8 ftGranite Floor · Modern Kitchen · Breakfast Area
BreakfastMain4.42 × 5.97 m14.5 × 19.6 ftGranite Floor
LibraryMain4.05 × 4.88 m13.3 × 16.0 ftHardwood Floor · French Doors
Family RoomMain5.76 × 6.04 m18.9 × 19.8 ftHardwood Floor · Walk-Out · Marble Fireplace
Primary BedroomSecond5.70 × 4.60 m18.7 × 15.1 ftHardwood Floor · 6 Pc Ensuite · Walk-In Closet(s)
Bedroom 2Second4.20 × 4.42 m13.8 × 14.5 ftHardwood Floor · 4 Pc Ensuite · W/O To Sundeck
Bedroom 3Second6.37 × 6.03 m20.9 × 19.8 ftHardwood Floor · 4 Pc Ensuite · Walk-In Closet(s)
RecreationBasement6.09 × 6.09 m20.0 × 20.0 ftLaminate · Sauna
KitchenBasement—Laminate
BedroomBasement—Laminate

Features

  • Central Vacuum

Property details

Property

Property type
detached
Bedrooms
5 + 1
Bathrooms
9
Interior size
5,000 sq ft
Lot size
100.36 × 159.74 ft
Possession
Immediately

Interior

Basement
Finished, Finished with Walk-Out
Heating
Forced Air · Gas
Cooling
Central Air
Fireplaces
1
Exposure
North

Exterior & services

Construction
Stone
Garage
Attached
Parking spaces
11
Sewer
Sewer

Costs

List price
$3,799,000
Property taxes
$20,149 / year (2025)
Price per sq ft
$760

Listing

MLS® number
N14108462
Status
For sale
Listed
October 22, 2026
Days on market
13
Last updated
October 26, 2026
Listing brokerage
RE/MAX REALTRON REALTY INC.

Price & sale history

This property's sale history is hidden

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Before you make an offer

What this home costs beyond the asking price, and how that price compares to what else is on the market.

How this price compares

This home is priced in line with comparable listings — about 59% of comparable detached listings in Crestwood-Springfarm-Yorkhill are asking less.

$1.44MMedian $2.54M$4.65M
This home
$760 / sq ft
Comparable median
$828 / sq ft

Based on 22 comparable active detached listings in Crestwood-Springfarm-Yorkhill. These are asking prices, not sale prices.

Mortgage estimate

Down payment20.0% · minimum $759,800
$759,800
Interest rate5-year fixed, illustrative only
4.49%
Amortization
Principal & interest
$16,804.26
Property tax (est.)
$1,679.08
Estimated monthly
$18,483

Estimate only. Excludes CMHC insurance premiums, which apply below 20% down, and does not constitute a mortgage approval or an offer of credit.

Land transfer tax

Payable on closing, on top of the purchase price.

Ontario
$81,450
Total due on closing
$81,450

An estimate on the asking price of $3,799,000. Rates current as of September 2026; confirm the final figure with your real estate lawyer.

Listing courtesy of RE/MAX REALTRON REALTY INC.. Listing data is provided in part by the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but is not guaranteed accurate. Information is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. Data is updated every 15 minutes.

$3,799,000

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68

$3,899,900

3 Raymond Drive, Vaughan, ON L4J 2E5

Crestwood-Springfarm-Yorkhill

4 bd
4 ba
2,000 sf
18
5 months on marketMLS® N13412084

Listing courtesy of SUTTON GROUP-ADMIRAL REALTY INC.

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