Skip to content
1 / 20
For saleMLS® N13821330

669 Kingsmere Avenue, Newmarket, ON L3X 1L5

Stonehaven-Wyndham · L3X 1L5

$1,665,000

$476 / sq ft

1 months on market

Bedrooms
4+1
Bathrooms
4
Interior
3,500 sf
Parking
6
Lot
71.11 × 158.31 ft

What's special

  • Attached garage
  • Central air
  • Finished basement
  • Fireplace

Book a private showing

Pick a time that suits you. No obligation.

Loading open times…

About this property

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!

Rooms

14 rooms. Dimensions as published by the listing brokerage.

Room dimensions and features
RoomLevelDimensionsFeatures
Living RoomMain4.90 × 4.14 m16.1 × 13.6 ftHardwood Floor · Electric Fireplace
Dining RoomMain4.90 × 3.95 m16.1 × 13.0 ftHardwood Floor · Combined w/Living
OfficeMain3.65 × 3.35 m12.0 × 11.0 ftFrench Doors · Hardwood Floor
KitchenMain5.76 × 3.98 m18.9 × 13.1 ftTile Floor · Stainless Steel Appl · Breakfast Bar
BreakfastMain4.46 × 3.33 m14.6 × 10.9 ftTile Floor · W/O To Deck
Family RoomMain4.67 × 5.57 m15.3 × 18.3 ftHardwood Floor · Gas Fireplace
Primary BedroomUpper5.44 × 5.21 m17.8 × 17.1 ftHardwood Floor · Walk-In Closet(s) · 5 Pc Ensuite
Bedroom 2Upper4.20 × 3.33 m13.8 × 10.9 ftHardwood Floor · Closet
Bedroom 3Upper3.39 × 3.78 m11.1 × 12.4 ftHardwood Floor · Closet
Bedroom 4Upper3.78 × 3.32 m12.4 × 10.9 ftHardwood Floor · Closet
DenLower4.49 × 2.74 m14.7 × 9.0 ftLaminate
RecreationLower5.47 × 4.95 m17.9 × 16.2 ftLaminate · Gas Fireplace · Pot Lights
Game RoomLower6.54 × 3.87 m21.5 × 12.7 ftLaminate · French Doors
BedroomLower4.31 × 4.34 m14.1 × 14.2 ftLaminate · Window · Closet

Features

  • Other

Property details

Property

Property type
detached
Bedrooms
4 + 1
Bathrooms
4
Interior size
3,500 sq ft
Lot size
71.11 × 158.31 ft
Possession
/Tba

Interior

Basement
Finished
Heating
Forced Air · Gas
Cooling
Central Air
Fireplaces
1
Exposure
East

Exterior & services

Construction
Brick
Garage
Attached
Parking spaces
6
Sewer
Sewer

Costs

List price
$1,665,000
Property taxes
$9,310 / year (2026)
Price per sq ft
$476
Rental items
Hot Water Tank.

Listing

MLS® number
N13821330
Status
For sale
Listed
September 23, 2026
Days on market
42
Last updated
September 23, 2026
Listing brokerage
RE/MAX HALLMARK YORK GROUP REALTY LTD.

Price & sale history

This property's sale history is hidden

TRREB rules require a free account before sold and leased prices can be shown. One registration unlocks full sale history across the site.

Unlock sale history & sold price

Free. Takes about twenty seconds.

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 36% of comparable detached listings in Stonehaven-Wyndham are asking less.

$1.35MMedian $1.70M$2.20M
This home
$476 / sq ft
Comparable median
$596 / sq ft

Based on 33 comparable active detached listings in Stonehaven-Wyndham. These are asking prices, not sale prices.

Mortgage estimate

Down payment20.0% · minimum $333,000
$333,000
Interest rate5-year fixed, illustrative only
4.49%
Amortization
Principal & interest
$7,364.86
Property tax (est.)
$775.83
Estimated monthly
$8,141

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
$29,775
Total due on closing
$29,775

An estimate on the asking price of $1,665,000. Rates current as of September 2026; confirm the final figure with your real estate lawyer.

Listing courtesy of RE/MAX HALLMARK YORK GROUP REALTY LTD.. 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.

$1,665,000

Contact Book a viewing

Comparable sales nearby

What similar homes in this area actually sold for.

Nearby sold prices are hidden

Recent closed sales for comparable homes in this area — the numbers that tell you whether the asking price is realistic.

Unlock nearby sold prices

Free. Takes about twenty seconds.

Similar properties nearby