15 Trillium Terrace
Rural Halton HillsHalton Hills, ONL7J 2W8Near 25 Side Road and Dublin Line
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What this listing tells us
Welcome to this ULTRA-PRIVATE SECRET GARDEN - A Rare Executive Country Estate Property backing onto Blue Springs Golf Club (Home of PGA Canada) w/ the most stunning yard that will rival any luxury resort. This prestigious all-brick home features open concept living + fully finished basement. It is nestled on a stunning 1.38-ACRE LOT (including a beautiful side lot for added privacy) in a quiet enclave of distinguished executive homes. There is a sense of space as you enter the grand foyer w/ its 9' ceilings and curved staircase. The heart of this home is the gourmet EI kitchen which overlooks the walk-out to the stunning yard and living room w/ vaulted ceiling, fireplace and additional walk-out to the yard. There is a main level office located off the front entrance and convenient main level laundry w/ tub. The upper floor has 3 generous bedrooms (there were 4 - can easily convert back), one being the primary bedroom w/ his/her closets and 5-pc ensuite. The basement features an over-sized 4th bedroom, RI for bathroom, a 2nd office, gym, family room and workshop. The dream yard will take your breath away and includes a pavilion for dining al fresco, heated pool, koi pond w/ waterfall, golf-themed bar, screened-in pergola, extensive hardscaping (2000+ SF of flagstone installed on 3 of concrete for stability) and professional low-maintenance landscaping - the ultimate space for entertaining. Additional features: 3-car garage, parking for 10+ in the driveway, garage entry to home, replaced exterior doors, no rentals, energy efficient gas pool heater (2018), new pool liner and cover (2025), furnace (2017), well pump (2024); water softener, UV system, HWT all owned; all windows replaced and home re-insulated, extensive UG sprinklers (including side lot), 12 x 16 double-sided pine Mennonite-built shed. Peaceful location close to golf, trails, lake, 15 minutes to 401. This is your opportunity to finally make a luxury move to the country. Thank You for showing our listing!
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 29, 2026 | Price reducedCurrent | Reduced | $1,899,000 | −$100,000 (5.0%) | W12718230 | This page |
| Jun 24, 2026 | Previously listed | New | $1,749,000 | — | W13485178 | View |
| Jan 21, 2026 | ListedCurrent | For sale | $1,999,000 | — | W12718230 | This page |
| Jan 14, 2025 | Previously listed | Exp | $2,000,000 | — | W11922450 | View |
| Jun 8, 2024 | Previously listed | Exp | $2,150,000 | — | W8420502 | View |
| Jun 8, 2024 | Previously listed | Exp | $2,150,000 | — | W10403483 | View |
| Jan 11, 2024 | Previously listed | Ter | $2,250,000 | — | W10444288 | View |
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
- Well
- Sewer
Getting around, schools & the block
Walkability and transit, the nearest schools, an interactive map of the exact spot, and what's nearby.
Points of interest classified by the MLS® feed.
- Golf
- School Bus Route
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 Halton Hills market
Live neighbourhood stats, the closed sales you'd negotiate against, and comparable active listings.
The Halton Hills market right now
Average sold price, days on market, and closed-transaction count for Halton Hills — sourced from MLS®.
- Avg sold price$1,019,939Last 30 days
- Median sold price$912,500Middle of the market
- Days on market26 dAvg from list to close
- Closed last 30d174MLS® transactions
We'll get you into 15 Trillium Terrace — 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 15 Trillium Terrace and found nothing flagged. We re-check automatically as new records publish.
Common questions about this property
Tap a question to expand the answer. Short, direct answers tuned for AI search and voice assistants.
How much is 15 Trillium Terrace listed for?
15 Trillium Terrace is listed at $1,899,000 on the MLS® (listing W12718230). The price refreshes on Summitly within minutes of any MLS® change.
How many bedrooms, bathrooms, and square feet does 15 Trillium Terrace 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.
