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166 Arnold Avenue

Crestwood-Springfarm-Yorkhill / Vaughan, ON L4J 1B7

ActiveFor Sale
6 Beds
9 Baths
5,000 Sq Ft
Single Family Home
Virtual Tour Available

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.

Property Details

StatusActive
Property TypeSingle Family Home
Listing TypeFor Sale
Interior Size5,000 sq ft
Bedrooms6
Bathrooms9
Taxes (2025)$20,149
Postal CodeL4J 1B7
Last UpdatedOct 28, 2026 · 11:30 a.m.

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Features & Amenities

  • Fireplace
  • Air Conditioning
  • Basement

Buying or selling in Vaughan?

Filipe & Isabel Ferreira and the Team Filipe (RE/MAX Ultimate Realty Inc., Brokerage) represent buyers and sellers here. Local guides and live listings below.

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TRREB MLS® Attribution

MLS® N14108462

Listed by RE/MAX REALTRON REALTY INC.

The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by The Canadian Real Estate Association (CREA) and identify the quality of services provided by real estate professionals who are members of CREA. The trademarks REALTOR®, REALTORS® and the REALTOR® logo are controlled by CREA and identify real estate professionals who are members of CREA. Listing data provided by the Toronto Regional Real Estate Board (TRREB). The information contained herein is from sources believed to be reliable but is not guaranteed. Information deemed reliable but not guaranteed accurate by TRREB or Team Filipe / RE/MAX.

$3,799,000

asking price

MLS®N14108462
TypeSingle Family Home
CityVaughan
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Team Filipe · RE/MAX · (647) 210-6070

Mortgage Estimate

Est. Monthly Payment

$18,551

/month · $3,039,200 mortgage

Down Payment20% — $759,800
Interest Rate5.5%

Amortization

Total Interest

$2,526,105

Total Cost

$5,565,305

Estimate only. Based on Canadian semi-annual compounding, 25-yr amortization at 5.5%.

Full Mortgage Calculator →

Listed By

RE/MAX REALTRON REALTY INC.