Nestled in the heart of Summerhill Estates, one of Newmarket's most desirable, family-centric communities, this beautifully upgraded Acorn-built home offers the perfect blend of space, functionality, and serene natural surroundings. From the moment you step inside, you're greeted by a bright and inviting foyer that opens to a generous living and dining area with 9-foot ceilings, ideal for both everyday living and entertaining. A cozy family room overlooks the lush ravine, creating a peaceful backdrop and filling the home with natural light. Neutral, timeless finishes flow throughout the open-concept layout, making this home effortlessly move-in ready for a busy household. The kitchen and breakfast area walk out to a large rear deck, perfect for summer barbecues and al fresco dining while enjoying the privacy and greenery beyond. Upstairs, you'll find three spacious bedrooms, including a relaxing primary retreat with a spa-like ensuite, where you can unwind while taking in tranquil ravine views right from the shower. The finished walk-out lower level offers incredible versatility with in-law or income potential, featuring a kitchenette, 4-piece bath, bachelor-style layout, and a fully separate entrance. This flexible space is ideal for extended family, guests, or future rental opportunities. Set on a premium ravine lot and meticulously maintained, this home truly checks every box. Why Summerhill Estates? Loved for its strong sense of community, top-rated schools, scenic trails, and abundance of parks, Summerhill is the perfect neighbourhood for families and professionals alike. Enjoy quick access to shopping, dining, transit, and major commuter routes, all while coming home to a quiet, established enclave. Move-in ready. Ravine-backing. Exceptionally located. Welcome home to 423 Hewitt Circle.
Property Type:
Residential Freehold
Property Sub Type:
Detached
Home Style:
2-Storey
Total Approx Floor Area:
1500-2000
Lot Depth:
109'1"33.2 m
Lot Frontage:
26'4"8.03 m
Lot Shape:
Irregular
Direction Faces:
South
Bedrooms:
3+1
Bathrooms:
4.0
Water supply:
Municipal
Kitchens:
2
Kitchens in Basement:
1
Bedrooms Above Grade:
3
Bedrooms Below Grade:
1
Kitchens Above Grade:
1
Rooms Above Grade:
9
Rooms Below Grade:
4
Zoning:
R1-F
Heating type:
Forced Air
Heating Fuel:
Gas
Fireplaces:
1
Foundation:
Poured Concrete
Roof:
Asphalt Shingle
Basement:
Finished with Walk-Out, Separate Entrance, Full
Fireplace Features:
Family Room
Fireplace/Stove:
Yes
Garage:
Attached
Garage Spaces:
2.0
Parking Features:
Private Double
Parking Spaces:
4
Total Parking Spaces:
6.0
Family Room:
Yes
Possession Details:
Flexible
Lot Irregularities:
Rear = 52.53 ft.
Pool:
None
Link:
No
HST Applicable To Sale Price:
Included In
Taxes:
$6,375.29 /
2025
Assessment:
$- /
-
York
Newmarket
Summerhill Estates
School, Ravine, Public Transit, Fenced Yard, Park, Hospital
In-Law Capability, Water Heater Owned
Deck, Privacy
Fridge x2, Stove, DW, Microwave, Washer/Dryer, Freezer, Window Covers, ELFs, Gas Furnace, Hot Water Tank, CenAC, GDO + 1 Rmt and Gas Fireplace
Data was last updated January 16, 2026 at 06:15 AM (UTC)
Area Statistics
Listings on market:
11
Avg list price:
$1,259,789
Min list price:
$1,099,888
Max list price:
$2,399,999
Avg days on market:
44
Min days on market:
1
Max days on market:
338
These statistics are generated based on the current listing's property type
and located in
Summerhill Estates. Average values are
derived using median calculations. This data is not produced by the MLS® system.
This website may only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate of the type being offered via the website.
The data relating to real estate on this website comes in part from the MLS® Reciprocity program of the PropTx MLS®. The data is deemed reliable but is not guaranteed to be accurate.