© 2026 HomeSix Realty Inc. All rights reserved.

MLS® W14139680
Milton, ON
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
Inclusions
Garage Door Opener, Pool Equipment, 4 Refrigerators, 4 Stoves, 2 dishwashers, 2 built in microwaves, washer, dryer in lower level, Window Coverings
Exclusions
washer and dryer in ensuite, cameras
Broker
REAL BROKER ONTARIO LTD.
Own a home here? See what it could sell for.
Use this listing address as a starting point for a Home6 seller valuation.

Rural Residential
12199 Guelph Line Milton
Milton
Type
Rural Residential
Basement
Finished with Walk-Out, Separate Entrance, Apartment, Finished
Parking
Attached (18)
Property Tax
~$16,367/yr
Heating
Forced Air
Buying Essentials
Square Feet
4250 sqft
Facing Direction
East
Parking
Attached (18)
Finances
List Price
$4,450,000
Price per SQFT
$1,047/sqft
Property Tax
~$16,367/yr
Property Specs
Property Type
Rural Residential
MLS Size
4250 sqft
Basement
Finished with Walk-Out, Separate Entrance, Apartment, Finished
Living & Amenities
Heating Type
Forced Air
Features
Accessory Apartment · Bar Fridge · Built-In Oven · Carpet Free · Floor Drain · Guest Accommodations · In-Law Suite · Propane Tank · Separate Hydro Meter · Water Heater Owned · Water Softener · Water Treatment · Sump Pump
Policies & Utilities
Neighbourhood
Milton
Listed On
Nov 2, 2026
Days on Market
Current: 5 days
18.0 x 13.2
238 sqft
Hardwood Floor, Separate Room, Fireplace
13.3 x 13.8
184 sqft
Hardwood Floor, Gas Fireplace, Glass Doors
16.7 x 14.7
246 sqft
Gas Fireplace, B/I Bar, Hardwood Floor
29.6 x 24.1
713 sqft
Centre Island, Stone Counters, Overlooks Backyard
14.1 x 21.9
310 sqft
Walk-Out, Fireplace
17.7 x 12.1
214 sqft
Access To Garage
6.5 x 8.1
52 sqft
3 Pc Bath, Double Sink
7.1 x 8.1
57 sqft
Fireplace, Walk-Out, Combined w/Primary
22.2 x 15.0
332 sqft
Crown Moulding, Fireplace, Walk-In Closet(s)
18.7 x 22.7
425 sqft
8.9 x 9.0
80 sqft
5 Pc Ensuite, Combined w/Primary, Soaking Tub
8.9 x 14.7
130 sqft
3 Pc Ensuite, Combined w/Primary
8.9 x 6.6
59 sqft
Hardwood Floor, Walk-In Closet(s)
14.0 x 17.8
250 sqft
Hardwood Floor, Walk-In Closet(s)
14.1 x 18.3
258 sqft
Hardwood Floor
12.4 x 13.3
164 sqft
Hardwood Floor
15.3 x 13.5
206 sqft
5 Pc Bath, Soaking Tub, Separate Shower
8.4 x 14.2
119 sqft
Semi Ensuite, 3 Pc Bath
10.1 x 5.0
51 sqft
Stone Counters, Fireplace, Stainless Steel Appl
14.0 x 13.5
189 sqft
Fireplace
16.4 x 40.5
665 sqft
13.4 x 11.7
157 sqft
3 Pc Bath
10.7 x 4.8
51 sqft
Fireplace
10.9 x 23.0
251 sqft
8.3 x 9.2
76 sqft
8.3 x 9.8
81 sqft
Stone Counters, Walk-Out
8.2 x 9.6
79 sqft
3 Pc Bath
7.3 x 8.1
59 sqft
11.7 x 4.5
53 sqft
Walk-Out
11.8 x 12.6
149 sqft
9.3 x 12.6
117 sqft
9.7 x 16.4
159 sqft
8.9 x 12.3
109 sqft
9.9 x 12.3
122 sqft
3 Pc Bath
8.0 x 6.5
52 sqft
Rooms
35
Listed Room Area
6,457 sqft
Source
Estimated from MLS room dimensions
Learn about the area and demographics around this address.
Schools closest to 12199 Guelph Line Milton.
Source: No verified source available.Catchment boundaries and ratings are shown only when available.
Active alternatives ranked by location, property type, price, bedrooms, size, bathrooms, and recency.
Recent sold or leased properties are shown separately from active alternatives.
Close to 12199 Guelph Line Milton.