$1,875,000
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181 Ontario Street, Cobourg, ON K9A3B6

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4 Beds
3 Baths
- Sq Ft

Welcome to 181 Ontario Street, The Sonning House, one of Cobourg's most prominent historic estates. Originally constructed in 1840 by the Burnet Brothers-the legendary builders behind Victoria Hall, during Cobourg's prosperous pre-Confederation boom. Today, this stunning Georgian Revival stands as a pristine landmark of the era, beautifully restored and seamlessly upgraded with modern efficiencies. This home exudes the grandeur of the bygone era, complemented by a glamorous, and stylish aesthetic. You're captivated the moment you step into the stunning central hall plan, with a grand staircase and soaring 10.5-foot main-floor ceilings adorned with intricate plaster crown molding. Generous, light-filled principal rooms flow effortlessly with opulent details. The sumptuous dining room will host the celebrations and elegant dinner parties, inviting you to linger. The heart of the home is a striking, modern kitchen complete with custom cabinetry and an oversized stone island designed for effortless entertaining. Contemporary conveniences include a main-floor laundry room and a mudroom with direct access to a rare 2-car attached garage. Upstairs, the grandeur continues with remarkable 11.5-foot ceilings and four spacious bedrooms. Oversized windows provide generous views and abundant natural light. The elegant primary suite features a walk-in closet and a luxurious ensuite. Positioned on a gracious, oversized corner lot, this property offers unmatched outdoor living space in the heart of town, adorned with magnificent, mature trees and perennial gardens. Expansive decking and an elegant pergola provide the perfect space for dining al fresco, entertaining, or quiet gatherings. The generous south lawn features a charming cottage for garden storage and a beautiful fieldstone fire pit, perfect for cool evening gatherings. Located just steps from Lake Ontario and the West Beach boardwalk, The Sonning House is the perfect blend of historic romance and modern luxury. (id:58753)

Listing By: Nathan Copeland - RE/MAX Rouge River Realty Ltd. cncrea2 Realty.com
  • MLS® X13415040
  • Date Listed06/08/2026
  • Days on Realty 5 Days
  • Bedrooms 4
  • Bathrooms 3 baths
  • Lot Size -
  • Sewer Other
  • Property Type Single Family Residence
  • Water Public

Interior Features

  • Appliances All, Window Coverings, Garage door opener remote(s), Water Heater - Tankless
  • Cooling Window air conditioner
  • Heating Radiant heat, Natural gas

Exterior / Lot Features

  • Roof -
  • Lot Size Acres -
  • Lot Size SQFT -
  • Lot Features Irregular lot size, Carpet Free

Directions

Cross Streets: Tweed. ** Directions: South of King.

Sales & Tax History

Source: Public Records

Local Neighborhood Highlights for K9A3B6

Discover key demographics, population statistics, and environmental insights for the Cobourg, ON area.

Walkability in ON / K9A3B6

Source: Walk Score

69/100

Somewhat Walkable

Walk Score ®

0/100

Minimal Transit

Transit Score ®

76/100

Very Bikeable

Bike Score ®

Overview

Some errands can be accomplished on foot. It is possible to get on a bus. Biking is convenient for most trips.

Walkability averages in the surrounding area

The average walkability score in the surrounding area is Walk Score: 20/100, Transit Score: 0/100, Bike Score: 41/100.

Points of Interest near 181 ONTARIO STREET, Cobourg, ON K9A3B6

Frequently Asked Questions for 181 ONTARIO STREET

Source: Realty.com

181 ONTARIO STREET, Cobourg, ON K9A3B6 in Cobourg, ON K9A3B6 is a single family residence listed at $1,875,000. Highlights include 4 bedrooms, 3 bathrooms. Realty.ca has 50 photos, sales history, school insights, and mortgage tools for this listing.

Realty.com has 50 photos of 181 ONTARIO STREET.

The full address for this home is 181 ONTARIO STREET, Cobourg, ON K9A3B6.

181 ONTARIO STREET has been listed on Realty.com since Mon June 08, 2026

Some errands can be accomplished on foot. It is possible to get on a bus. Biking is convenient for most trips.

The average walkability score in the surrounding area is Walk Score: 20/100, Transit Score: 0/100, Bike Score: 41/100.

Listing provided courtesy of: RE/MAX Rouge River Realty Ltd.
Listing agent: Nathan Copeland

This content last refreshed on 2026-06-13 16:24:58. Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.