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$3,750,000

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3622 Alnwick Hills Road

Rural Hamilton, Hamilton Township, Ontario K0K1C0

For sale· Added

5+3 bed5 bath5,000–100,000 sqft

About this home

An Exceptional Country Estate in Northumberland County. Set on 25 acres of rolling countryside with uninterrupted 360-degree views, this distinguished estate offers a rare balance of architectural refinement and natural beauty, just minutes north of Cobourg and within comfortable reach of Toronto. Thoughtfully designed and built to exacting standards, the 11,000 sq. ft. residence (7,500 sq. ft. above grade) blends timeless proportions with modern comfort. The arrival unfolds across manicured grounds featuring orchards, curated stonework, and landscape installations by renowned artisan John Shaw-Rimmington, creating a setting that feels both composed and serene. Expansive stone terraces surround a resort-style pool, ideal for entertaining or quiet retreat. A private trail network winds through the property, leading to a hilltop vantage point with sweeping views toward Lake Ontario. Inside, the home is defined by volume and balance. A dramatic great room with 16-foot ceilings, marble columns, and a statement fireplace anchors the principal living spaces, complemented by more intimate rooms for everyday living. A Downsview-designed chef's kitchen, butler's pantry, and adjoining family room offer a seamless blend of form and function. Seven bedrooms and six baths include a private two-bedroom residence with its own garage-ideal for guests or extended family. The primary suite features a dressing room, spa-inspired ensuite with heated floors. Geothermal heating and cooling, a heated three-car attached garage, a separate two-car garage/workshop, and curated designer finishes complete this quietly exceptional estate-well suited as a refined full-time residence or an elegant country retreat for local, GTA and international buyers seeking privacy, space, and distinction.

Location

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Property details

Listing

MLS® number
X12708332
Added
Jan 19, 2026 ()
Updated
Sep 14, 2026 ()
Info refreshed

Overview

Property type
Single Family
Building type
Detached
Storeys
2
Ownership
Freehold

Inside

Bedrooms
5+3
Bathrooms
5
Half baths
1
Heating
Forced air, Geo Thermal
Cooling
Central air conditioning, Air exchanger
Fireplace
Yes (2)
Appliances
All, Window Coverings, Garage door opener remote(s)
Features
Hillside, Ravine, Rolling, Guest Suite, In-Law Suite, Sauna

Building

Basement
Partially finished, Full
Exterior
Stone
Foundation
Poured Concrete
Parking
Attached Garage, Garage · 30 spaces
Amenities
Fireplace(s)
Security
Controlled entry

Land

Lot size
832 x 1310 ft
Pool
Inground pool, Salt Water Pool
View
View, Valley view

Services

Water
Drilled Well
Sewer
Septic System

Location

Cross streets
Harwood Rd
Directions
Off of Harwood Rd.
Nearby
School Bus

Running costs

Annual property tax
$23,306

Rooms

FoyerMain level8.92 x 4.98 m
Primary BedroomSecond level7.42 x 6.21 m
BathroomSecond level4.89 x 4.77 m
Bedroom 2Second level5.02 x 4.14 m
Bedroom 3Second level4.7 x 4.09 m
Living roomMain level8.97 x 7.52 m
Bedroom 4Second level5.07 x 4.41 m
BathroomSecond level5.05 x 2.79 m
Recreational, Games roomBasement14.7 x 13.8 m
BathroomBasement3.15 x 2.88 m
Living roomMain level10.3 x 10.2 m
BedroomMain level4.9 x 4.2 m
Dining roomMain level4.67 x 4.45 m
Eating areaMain level6.04 x 4.24 m
KitchenMain level5.43 x 5.08 m
Family roomMain level5.6 x 5.09 m
PantryMain level5.43 x 2.81 m
OfficeMain level4.92 x 3.89 m
Bedroom 5Main level4.4 x 3.49 m
BathroomMain level5.32 x 2.08 m

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$3,750,000
3622 Alnwick Hills Road
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