This extensively renovated estate sits on a private, gated 3.51 acres at Guelph Line and 20 Side Road in Campbellville, north of the 401, with 8,299 sq ft of living space over three levels plus a 914 sq ft guest house. The renovation brought new windows, new flooring and hardwood, and custom box ceilings throughout, and the home has 7 fireplaces and 4 kitchens. The main floor opens with a grand foyer, curved staircase and crystal chandelier, then flows to a vaulted office, formal dining room with fireplace and custom built-ins, a living room with windows on three sides , slab feature wall and linear Custom vented Napoleon fireplace, a custom bar with wine storage, and a chef's kitchen with an oversize island, stone countertops, full-height slab backsplash, farmhouse sink and a professional-style range. Walk out from the breakfast area to a two-level rear deck with glass railings. Upstairs are 5 bedrooms and 4 washrooms. The primary suite has its own snug sitting room with fireplace and a walkout to the front balcony, along with a bedroom fireplace, his and hers bathrooms, a walk-in closet and private laundry. The walkout lower level has 2 kitchens and 2 bedrooms, plus a games area, media wall, gym ( could be a 3rd bedroom ) and an in-law suite with its own bathroom, laundry and separate entrance. A detached guest house holds a 2-bedroom apartment with its own kitchen, bathroom, laundry and deck. With three self-contained living spaces on one property, parents, adult children and extended family can live close while keeping their own space. The solar-heated indoor pool makes swimming a year-round habit. Outside, two ponds, mature trees and a fire pit patio surround the home. Indoor parking for 8 vehicles, room for 10 more on the drive, and a wired generator. Flexible possession. Full upgrade list available. Private showings by appointment. Rooms on "Upper level" are in Guest house
For sale
C$4,450,000
12199 Guelph Line, Milton, ON L0P 1B0
10beds
8baths
Single Family Residence
Built in ----
3 Square Feet Lot
$-- Zestimate®
C$--/sqft
C$-- HOA
What's special
New windowsNew flooring and hardwoodCustom box ceilings throughoutGrand foyerCurved staircaseCrystal chandelierVaulted office
- 12 hours
- 7
- 2
Zillow last checked:
Listing updated:
Listed by:
REAL BROKER ONTARIO LTD.
Source: TRREB,MLS®#: W14139680
Originating MLS®#: Toronto Regional Real Estate Board
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 10
- Bathrooms: 8
Bedroom
- Level: Basement
- Dimensions: 2.97 x 2.51
Exercise room
- Level: Basement
- Dimensions: 4.07 x 3.56
Foyer
- Level: Main
Office
- Level: Main
- Dimensions: 4.05 x 4.22
Heating
- Forced Air, Propane
Cooling
- Central Air
Appliances
- Included: Bar Fridge, Built-In Oven, Water Heater Owned, Water Softener, Water Treatment
Features
- Floor Drain, Guest Accommodations, In-Law Suite, Separate Hydro Meter
- Flooring: Accessory Apartment, Carpet Free
- Basement: Finished with Walk-Out,Separate Entrance,Apartment,Finished
- Has fireplace: Yes
- Fireplace features: Electric, Propane
Interior area
- Living area range: 3500-5000 null
Property
Parking
- Total spaces: 18
- Parking features: Available, Private
- Has garage: Yes
Features
- Stories: 2
- Patio & porch: Porch
- Exterior features: Private Pond, Landscaped, Landscape Lighting
- Has private pool: Yes
- Pool features: Indoor
- Has view: Yes
- View description: Forest, Garden, Pond
- Has water view: Yes
- Water view: Pond
- Waterfront features: None
Lot
- Size: 3 Square Feet
Details
- Additional structures: Additional Garage(s), Gazebo, Shed
- Parcel number: 249860087
- Other equipment: Propane Tank, Sump Pump
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Brick, Stucco (Plaster)
- Foundation: Poured Concrete
- Roof: Asphalt Shingle
Utilities & green energy
- Sewer: Septic
- Water: Drilled Well
- Utilities for property: Cable Available, Cell Services, Electricity Connected, Internet High Speed, Garbage Pickup
Community & HOA
Location
- Region: Milton
Financial & listing details
- Annual tax amount: C$16,366
- Date on market: 11/2/2026
Price history
Price history is unavailable.
Public tax history
Tax history is unavailable.
Climate risks
Neighborhood: Nassagaweya
Nearby schools
GreatSchools rating
No schools nearby
We couldn't find any schools near this home.






