320 William Dunn Crescent
Summerhill EstatesNewmarket, ONL3X 3L2Near Bathurst St and Mullock Dr
- 4 beds
3 upcoming open houses
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What this listing tells us
Rare End-Unit Townhome Siding Onto Conservation in Prestigious Summerhill Estates! Welcome to 320 William Dunn Crescent, a beautifully maintained freehold end-unit townhome offering over 2,000 sq. ft. above grade plus a finished walk-out basement, perfectly situated in one of Newmarket's most sought-after communities. This spacious family home features 4 generous bedrooms and 4 bathrooms, providing plenty of room for growing families, multi-generational living, or those who simply appreciate extra space. The bright and functional layout is enhanced by open space, hardwood flooring, large windows, and an abundance of natural light throughout. The upgraded kitchen is designed for both everyday living and entertaining, showcasing granite countertops, stainless steel appliances, ample cabinetry, and a convenient breakfast area with walk out to deck. One of the home's most impressive features is its premium location, siding onto protected conservation land and offering beautiful views of nature from multiple vantage points. Enjoy the privacy and tranquility of green space right outside your door while still being close to all amenities. The finished walk-out basement provides additional living space ideal for a recreation room, home office, gym or guest accommodations with kitchen and bathroom, with direct access to the backyard. Exceptional curb appeal is highlighted by an attractive stone and brick exterior, a welcoming covered side porch entrance. The double-car garage and 3-car driveway parking provide space for up to 5 vehicles, a rare find in townhome living. Minutes from top-rated schools, parks, trails, shopping, public transit, and major commuter routes. A rare opportunity to own a spacious end-unit home on a premium conservation lot in one of Newmarket's finest communities. Move in and enjoy the perfect blend of privacy, nature, comfort, and convenience.
Cleaned for readability — original MLS® text was lightly de-abbreviated and decapitalized.
Listing, price, and tax history
Every previous listing of this property, every list-price change, and 5 years of estimated annual property tax — switch tabs to drill in.
| Date | Event | Status | Price | Change | MLS® | View |
|---|---|---|---|---|---|---|
| Jun 8, 2026 | ListedCurrent | For sale | $950,000 | — | N13413706 | This page |
Inside this property
Systems, finishes, room dimensions, and building information — pulled from the full MLS® feed.
Features & systems
Heating, cooling, parking, exterior, lot, possession, and more.
Systems
4- Heating
- Forced Air
- Air conditioning
- Central Air
- Water source
- Municipal
- Sewer
Getting around, schools & the block
Walkability and transit, the nearest schools, an interactive map of the exact spot, and what's nearby.
The money — monthly cost, mortgage & return
Everything financial in one place: what you'd pay each month, a live mortgage calculator at the asking price, and what it could return as a rental.
Cost of ownership
A monthly snapshot at typical assumptions — personalize the mortgage just below.
How this home sits in the Newmarket market
Live neighbourhood stats, the closed sales you'd negotiate against, and comparable active listings.
The Newmarket market right now
Average sold price, days on market, and closed-transaction count for Newmarket — sourced from MLS®.
- Avg sold price$1,021,487Last 30 days
- Median sold price$950,000Middle of the market
- Days on market25 dAvg from list to close
- Closed last 30d249MLS® transactions
We'll get you into 320 William Dunn Crescent — the seller pays our commission
On every MLS® listing in Canada, the seller's brokerage pays a cooperating commission to whoever brings the buyer. Buyer representation is free to you.
$0 to you. The seller pays our fee.
On every MLS® listing in Canada, the seller's brokerage advertises a cooperating commission for the buyer's agent. A Coldwell Banker Summit Realty agent represents you — you owe us nothing.
Property flags & disclosures
An automated scan of public records and news for anything a buyer should know about this specific address — liens, outstanding work orders, or stigma-related history. We never invent flags.
We scanned public records and news for liens, outstanding work orders, and stigma-related history (e.g. a former grow-op or fire) at 320 William Dunn Crescent and found nothing flagged. We re-check automatically as new records publish.
Common questions about this property
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How much is 320 William Dunn Crescent listed for?
320 William Dunn Crescent is listed at $950,000 on the MLS® (listing N13413706). The price refreshes on Summitly within minutes of any MLS® change.
How many bedrooms, bathrooms, and square feet does 320 William Dunn Crescent have?
Coldwell Banker Summit Realty is a RECO-licensed Ontario real estate brokerage, independently owned and operated. Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Listing data is sourced from MLS® and is provided for informational purposes only — not guaranteed accurate by the MLS® or its members. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.











