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3622 Alnwick Hills Road

Rural Hamilton / Hamilton Township, ON K0K 1C0

ActiveFor Sale
8 Beds
5 Baths
5,000 Sq Ft
25 Lot Sq Ft
Single Family Home
Virtual Tour Available

About This Property

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.

Property Details

StatusActive
Property TypeSingle Family Home
Listing TypeFor Sale
Interior Size5,000 sq ft
Lot Size25 sq ft
Bedrooms8
Bathrooms5
Postal CodeK0K 1C0
Last UpdatedAug 8, 2026 · 8:36 p.m.

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Features & Amenities

  • View
  • Fireplace
  • Air Conditioning
  • Basement

TRREB MLS® Attribution

MLS® X12708332

Listed by RE/MAX Rouge River Realty Ltd.

The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by The Canadian Real Estate Association (CREA) and identify the quality of services provided by real estate professionals who are members of CREA. The trademarks REALTOR®, REALTORS® and the REALTOR® logo are controlled by CREA and identify real estate professionals who are members of CREA. Listing data provided by the Toronto Regional Real Estate Board (TRREB). The information contained herein is from sources believed to be reliable but is not guaranteed. Information deemed reliable but not guaranteed accurate by TRREB or Team Filipe / RE/MAX.

$3,750,000

asking price

MLS®X12708332
TypeSingle Family Home
CityHamilton Township
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Team Filipe · RE/MAX · (647) 210-6070

Mortgage Estimate

Est. Monthly Payment

$18,312

/month · $3,000,000 mortgage

Down Payment20% — $750,000
Interest Rate5.5%

Amortization

Total Interest

$2,493,523

Total Cost

$5,493,523

Estimate only. Based on Canadian semi-annual compounding, 25-yr amortization at 5.5%.

Full Mortgage Calculator →

Listed By

RE/MAX Rouge River Realty Ltd.