669 Kingsmere Avenue
Stonehaven-Wyndham, Newmarket, L3X 1L5
$1,665,000
- 4+1 bedrooms
- 4 bathrooms
- 6 parking
- 3500-5000 sq ft
Listed 27 days ago · MLS® N13821330
About this home
Welcome To Stonehaven Estates! Grand & Gracious, This Established Stonehaven Residence Offers The Space, Warmth & Presence Of A Traditional Family Home In One Of The Most Desirable Neighbourhoods In Newmarket. Impeccably Maintained, This Executive Home Boasts Over 3500 Sq. Ft. & With A Functional & Family-Friendly Layout Featuring Gleaming Hardwood Floors, Formal Living & Dining Rooms & Convenient Main Floor Office. Oversized Eat-In Kitchen With Walk-Out To An Expansive, Private Backyard That Feels Like A Peaceful Escape With Mature Trees, Thoughtful Landscaping, Feature Pond, Multi-Level Deck & 8 Person Hot Tub. Spacious Bedrooms Including A Primary Suite With Double Door Entry, His & Hers Closets, Additional Walk-In Closet & Updated 5-Piece Ensuite Bath With Soaker Tub. Beautifully Finished Basement With Bedroom, 3-Piece Bathroom, Recreation Room With Fireplace, Game Room & Ample Storage. With Generous Living Space, A Family-Focused Layout & Room To Grow, This Is A Rare Opportunity To Put Down Roots In One Of Newmarket's Most Prestigious Neighbourhoods - Your Next Chapter Starts Here!
Details
- Type
- Detached
- Style
- 2-Storey
- Size
- 3500-5000 sq ft
- Lot
- 71.11 × 158.31 ft
- Basement
- Finished
- Garage
- Attached
- Kitchens
- 1
- Property tax
- $9,310 (2026)
- Neighbourhood
- Stonehaven-Wyndham
- Municipality
- Newmarket
- Price per sq ft
- ~$392 (25% below detached houses in Stonehaven-Wyndham, $524)
Interior
- Bedrooms
- 4 above ground + 1 below
- Bathrooms
- 1 × 5-piece, 1 × 4-piece, 1 × 3-piece, 1 × 2-piece
- Rooms
- 10 above ground + 4 below
- Family room or den
- Yes
- Fireplace
- Yes
Heating, cooling and services
- Heating
- Forced Air, Gas
- Air conditioning
- Central Air
- Water and sewer
- Sewer
Building and exterior
- Style
- 2-Storey
- Exterior
- Brick
- Roof
- Shingles
- Foundation
- Concrete
- Faces
- East
Parking
- Garage spaces
- 2
- Total parking
- 6
Lot
- Size
- 71.11 × 158.31 ft (irregular)
More
- Possession
- /Tba
- Cross street
- Stonehaven/Kingsmere
Rooms
| Room | Level | Size | Features |
|---|---|---|---|
| Living Room | Main | 4.9 × 4.14 m (16'1" × 13'7") | Hardwood Floor, Electric Fireplace |
| Dining Room | Main | 4.9 × 3.95 m (16'1" × 13') | Hardwood Floor, Combined w/Living |
| Office | Main | 3.65 × 3.35 m (12' × 11') | French Doors, Hardwood Floor |
| Kitchen | Main | 5.76 × 3.98 m (18'11" × 13'1") | Tile Floor, Stainless Steel Appl, Breakfast Bar |
| Breakfast | Main | 4.46 × 3.33 m (14'8" × 10'11") | Tile Floor, W/O To Deck |
| Family Room | Main | 4.67 × 5.57 m (15'4" × 18'3") | Hardwood Floor, Gas Fireplace |
| Primary Bedroom | Upper | 5.44 × 5.21 m (17'10" × 17'1") | Hardwood Floor, Walk-In Closet(s), 5 Pc Ensuite |
| Bedroom 2 | Upper | 4.2 × 3.33 m (13'9" × 10'11") | Hardwood Floor, Closet |
| Bedroom 3 | Upper | 3.39 × 3.78 m (11'1" × 12'5") | Hardwood Floor, Closet |
| Bedroom 4 | Upper | 3.78 × 3.32 m (12'5" × 10'11") | Hardwood Floor, Closet |
| Den | Lower | 4.49 × 2.74 m (14'9" × 9') | Laminate |
| Recreation | Lower | 5.47 × 4.95 m (17'11" × 16'3") | Laminate, Gas Fireplace, Pot Lights |
| Game Room | Lower | 6.54 × 3.87 m (21'5" × 12'8") | Laminate, French Doors |
| Bedroom | Lower | 4.31 × 4.34 m (14'2" × 14'3") | Laminate, Window, Closet |
History of this address
2 earlier listings at this address, with sold and leased prices. Create a free account or sign in to see them.
Location
Location is approximate. See nearby homes on the map
Recent sales nearby
See what similar homes within 1 km sold for in the last year. Create a free account or sign in to see them.
The neighbourhood
Getting around Somewhat walkable
- 🚆 Newmarket GO2.8 km
Within a 10-minute walk: 1 grocery store, 4 cafés and restaurants, 3 parks, 1 pharmacy. Nearest grocery: Vince's Market (700 m). Nearest park: Best Family Park (700 m).
Schools nearby
Elementary
- Notre Dame Catholic Elementary School Catholic
EQAO: Gr 6 reading 77%, math 55%4 min walk - Stonehaven Elementary School
EQAO: Gr 6 reading 83%, math 58%6 min walk - Bogart Public School
EQAO: Gr 6 reading 98%, math 77%14 min walk - Pickering College Private1.2 km
Secondary
- Newmarket High School
EQAO: Gr 9 math 75%, literacy test 97%14 min walk - Sacred Heart Catholic High School Catholic
EQAO: Gr 9 math 62%, literacy test 85%1.9 km
EQAO: share of students meeting the provincial standard (2024–25). Ontario average: Gr 6 reading 86%, math 51%; Gr 9 math 55%; literacy test 83%.
Closest schools, not school zones. Check which school serves this address with the school board before relying on it.
Who lives here postal area L3X
- Owners / renters
- 85% / 15%
- Median household income
- $129,000
- Average age
- 38
- Children under 15
- 19%
- Homes
- 66% detached, 1% high-rise
- Commute by transit
- 4%
- Population
- 45,284
Languages spoken most at home besides English: Mandarin 5.7%, Iranian Persian 3.8%, Yue (Cantonese) 2.6%, Russian 2.5%.
Flood and conservation No mapped hazard
Not inside a mapped flood plain or regulated area.
Screening maps only. Ask the conservation authority for a property inquiry before relying on this.
Safety
Crime Severity Index for York Region police: 50 vs 57 for Ontario (2025).
Police-reported figures for the whole police service area, not this street. Rates use the area’s resident population.
Distances are approximate. Places © OpenStreetMap contributors. Neighbourhood figures: Statistics Canada, 2021 Census. School results: EQAO via Ontario Data Catalogue (Open Government Licence – Ontario). Crime Severity Index: Statistics Canada.
Living here
Commute
To Union Station (downtown Toronto): 44 km. Transit times · Driving times
Coming transit
- 🚧 Mulock GO (Future) GO Transit1.5 km · planned
Stations under construction or approved. Opening dates are the latest public estimates and often move.
Noise Nothing major nearby
No highway within 500 m, rail line within 300 m, or airport flight path nearby.
Distances from the map, not noise measurements. Visit at rush hour to judge for yourself.
Internet High-speed
50/10 Mbps or faster available here by cable, fibre or DSL (the federal high-speed target).
From the federal broadband map. Check exact speeds and providers for the address.
Roads, rail, airports and planned stations © OpenStreetMap contributors. Internet: Innovation, Science and Economic Development Canada, National Broadband Data.
Listed by RE/MAX HALLMARK YORK GROUP REALTY LTD..
Listing information provided by PropTx Innovations Inc. and TRREB; deemed reliable but not guaranteed accurate by PropTx.
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