Welcome to The Arnold Estate a remarkable residence where timeless architecture, exceptional craftsmanship, and modern luxury come together in one of Thornhill's most prestigious addresses. Designed for the families who appreciate both elegance and comfort, this distinguished home offers generous living spaces, soaring ceilings, abundant natural light, and exquisite finishes throughout. Every room has been thoughtfully crafted creating a welcoming warm home while embracing an atmosphere of sophistication. The heart of the home is a spectacular chef-inspired kitchen, seamlessly connecting to elegant principal rooms and inviting family spaces, making it equally suited for intimate gatherings or grand-scale entertaining. Rich architectural details, custom millwork, designer lighting, and premium materials elevate every corner of this remarkable residence. The private bedroom suites provide peaceful retreats, highlighted by a luxurious primary sanctuary complete with a spa-inspired ensuite and an expansive walk-in dressing room. A beautifully finished lower level offers exceptional versatility with generous recreation and entertainment spaces for family and guests. Surrounded by professionally landscaped grounds, The Arnold Estate offers a private outdoor setting ideal for entertaining, alfresco dining, and quiet moments of relaxation. Perfectly positioned in the heart of Thornhill, this coveted location places you minutes from Canada's finest private schools, prestigious golf and country clubs, boutique shopping, upscale dining, scenic parks, and convenient access to major highways, making it one of the GTA's most desirable luxury communities. The Arnold Estate is a statement of enduring elegance, exceptional quality, and elevated living. The Arnold Estate: A Legacy of Luxury. A Life Without Compromise. A world of magnificence awaits!
About this home
Photos of 129 Arnold Avenue
Facts and features of 129 Arnold Avenue
| Type | Detached |
|---|---|
| Style | 2-Storey |
| Bedrooms | 5 + 3 |
| Bathrooms | 8 |
| Size | 5000 + sq ft |
| Lot | 100 x 180 Feet |
| Parking | 10 |
| Garage | Built-In |
| Heating | Forced Air |
| Cooling | Central Air |
| Basement | Walk-Out, Finished |
| Exterior | Stone |
| Taxes | $28,118 (2026) |
| Days on market | 112 |
| Listing brokerage | HAMMOND INTERNATIONAL PROPERTIES LIMITED |
Rooms
11 rooms, with sizes
| Room | Level | Size | Features |
|---|---|---|---|
| Dining Room | Main | 21′ 8″ × 21′ 8″ 6.6 × 6.6 m | w/o to deck, hardwood floor |
| Foyer | Main | 28′ 10″ × 23′ 7″ 8.8 × 7.2 m | large window, heated floor |
| Bedroom 4 | Second | 18′ 4″ × 14′ 1″ 5.6 × 4.3 m | 4 pc bath, closet |
| Recreation | Basement | 34′ 9″ × 20′ 4″ 10.6 × 6.2 m | ceramic floor, wet bar |
| Bedroom 3 | Second | 16′ 9″ × 14′ 1″ 5.1 × 4.3 m | 4 pc bath, closet |
| Office | Main | 16′ 9″ × 14′ 1″ 5.1 × 4.3 m | b/i bookcase, hardwood floor |
| Bedroom 5 | Second | 15′ 9″ × 12′ 1″ 4.8 × 3.68 m | 3 pc bath, b/i closet |
| Kitchen | Main | 18′ 1″ × 24′ 7″ 5.5 × 7.5 m | b/i appliances, cathedral ceiling(s) |
| Primary Bedroom | Second | 29′ 10″ × 18′ 2″ 9.1 × 5.53 m | b/i closet, 5 pc bath |
| Bedroom 2 | Second | 14′ 6″ × 11′ 1″ 4.43 × 3.37 m | 4 pc bath, hardwood floor |
| Living Room | Main | 23′ 11″ × 20′ 8″ 7.3 × 6.3 m | gas fireplace, hardwood floor |
Around this home
What’s near 129 Arnold Avenue
From 129 Arnold Avenue, the nearest TDSB elementary school is Pleasant Public School, 35 minutes on foot.
Schools
- Pleasant Public School TDSB elementary · JK-5 EQAO 2024-25: Gr 6 reading 88% · Gr 6 math 44% 35 min walk 11 min drive
- St Paschal Baylon Catholic School Catholic elementary · JK-8 EQAO 2024-25: Gr 6 reading 95% · Gr 6 math 52% 31 min walk 10 min drive
- Newtonbrook Secondary School TDSB secondary · 9-12 EQAO 2024-25: Gr 9 math 39% · Gr 10 literacy 98% 27 min walk 9 min drive
Nearest schools, not necessarily the ones that serve this address. Check with the TDSB and TCDSB school locators.
Places: OpenStreetMap contributors, October 2026. Walking and driving times: Mapbox. Schools: EQAO 2024-25, Ontario Ministry of Education.
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129 Arnold Avenue
Listing information is deemed reliable but is not guaranteed accurate by PropTx or the Toronto Regional Real Estate Board. Data source: PropTx. Listings are refreshed from the MLS® at least daily.
The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose.
Royal LePage Terrequity Seymour Real Estate, Brokerage. Independently owned and operated.
MLS® N13543200 Data source: PropTx Listed July 9, 2026
