17 Mason Drive
New Tecumseth, ON
4 bed • 5 bath • approx. 3000-3500 sqft • Detached • 107 days on market
Backs onto conservation, connects to the walking trail, and gives you over 3,700 square feet of finished living space. Welcome to 17 Mason Drive in Alliston, a 4 bedroom, 5 bathroom home in the Treetops master-planned community, set on a premium lot with no sidewalk in front. The curb appeal is clean and classic, with a brick exterior, stone accents, covered entry, and double car garage. Inside, the home opens with a bright foyer, high ceilings, large windows, polished tile, rich hardwood, and a carpet-free layout. The main floor has the spaces people ask for most: a dedicated office, formal dining room, living room with fireplace, and a well-planned kitchen with quartz countertops, stainless steel appliances, upgraded cabinetry, servery, centre island, and breakfast bar. Upstairs, all four bedrooms connect to an ensuite or semi-ensuite bathroom, giving each room better privacy and function. The primary suite adds generous space, dual walk-in closets, and a private ensuite, while second-floor laundry keeps daily routines simple. The finished look-out basement feels like part of the home, not an afterthought. South-facing natural light fills the space, making it ideal for movie nights, workouts, guests, play space, or a second living area. A large storage area gives you useful space now, with potential to finish more later. Out back, the setting makes the home feel different. You get stone patio space, garden beds, room to sit and unwind, and conservation and trail access directly behind you. Treetops offers approximately 7 km of walking trails, parks, and playgrounds, with Nottawasaga Resort nearby for golf and vacation-style amenities. Highway 400 is about 10 minutes away, with easy access to Barrie and Vaughan.
Virtual Tour
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Listing Details
- Taxes (2025)
- $5,821
- Listed
- May 12, 2026
Price History
Property
- Style
- 2-Storey
- Construction
- Brick, Stone
- Roof
- Asphalt Shingle
- Foundation
- Concrete, Poured Concrete
- Interior
- Other
- Lot Size
- 44.95 x 109.91 Feet
Utilities
- Sewer
- Sewer
- Heat Source
- Gas
Location & Legal
- Cross Street
- HWY 89 & 10th Side Road
- Parcel Number
- 581440206
- Possession
- Flexible
Commercial
- Occupancy
- Vacant
Included
- Inclusions
- Stainless steel fridge, range, hood, dishwasher, clothes washer/dryer, light fixtures, and window coverings.
- Rental Items
- HWT
Community
Postal area L9R
- Population
- 25,949
- Private dwellings
- 9,929
- Median age
- 40.8
- Average household size
- 2.7
- Median household income
- $99,000
Source: Statistics Canada, 2021 Census of Population, catalogue 98-401-X2021013. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada of this product.
Local market
Residential Freehold in New Tecumseth · last 12 months
- Median sold price
- $750,000
- Homes sold
- 577
- Median days on market
- 34
- Sale-to-list price
- 96.8%
Based on 577 recorded sales of residential freehold properties in New Tecumseth over the last 12 months.
Rooms
2-piece on Main, 4-piece on Second, 5-piece on Second, 4-piece on Second, 3-piece on Basement
Second
- Bedroom 213'3" x 16'3"
- Bedroom 318'3" x 10'
- Bedroom 411'6" x 11'6"
- Laundry6'6" x 11'3"
- Primary Bedroom21'7" x 12'11"
Main
- Breakfast10'2" x 14'1"
- Dining Room13' x 14'5"
- Family Room13' x 19'
- Kitchen12'11" x 14'
- Living Room16'7" x 10'
- Office10' x 11'
Basement
- Recreation
Listed by
RE/MAX REAL ESTATE CENTRE INC.
Mortgage Calculator
$230,000
Estimated Monthly Payment
$5,650
Investment Analysis
No recent nearby lease data. Enter a rent to see the numbers.
Mortgage: $5,650/mo (20% down, 5.5%)
Taxes: $485/mo · Insurance: $288/mo
Estimates only. Consult a financial advisor.
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