Trip planning opens Google Maps. Nearby schools, transit and shops below use EnterHome’s listed data sources; coverage may be incomplete.
No listing photograph was supplied. The map marks the geocoded listing location; imagery dates vary by area.
181 Ontario Street, Cobourg, ON K9A 3B6
Cobourg, ON K9A 3B6
Quick cost estimateKnown monthly subtotal$9,499.66 / monthLand transfer tax $33,975One-time estimate
Quick cost estimate
$9,499.66 / monthKnown monthly subtotal
- Mortgage principal & interest
- $8,724.07
- Property tax / month
- $775.58
- Maintenance / month
- Period / amount not reported
Assumes 20% down, 5% annual interest and 25-year amortization. Illustrative rate, not a current quote.
Unknown expenses excluded. Mortgage insurance and closing costs are excluded; add insurance and utilities in the assumptions.
Land transfer tax · one time
- Transfer tax total
- $33,975
Before rebates, surcharges and fees. Not part of the monthly subtotal.
Tax assumptions & breakdown
Toronto municipal land transfer tax does not apply to this listing outside the City of Toronto.
- Ontario tax
- $33,975
- Toronto municipal tax
- $0
Current purchase scenario, before rebates, foreign-buyer taxes and fees. Confirm residence classification. Not historical tax paid; excluded from the monthly subtotal.
Ontario rates · Toronto rates (April 2026)
Eligible first-time purchasers may qualify for an Ontario land transfer tax refund of up to $4,000. Toronto buyers may also qualify for a separate municipal rebate of up to $4,475. Eligibility varies and these maximums are not guaranteed savings. See official eligibility links and details.
Want to see it in person?Request a showing →
About this home
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.
Home details
- Days on market
- Not reported
- Property type
- Detached
- MLS® number
- X13415040
- Source status
- Extension
- Bedrooms
- 4
- Bathrooms
- 3
- Postal code
- K9A 3B6
- Kitchens
- 1
- Kitchens above grade
- 1
- Family room / den
- Yes
- Interior size (reported range)
- 3000-3500 (units not reported)
- Lot depth
- 162.66 ft
- Garage parking spaces
- Not reported
- Total parking spaces
- 8
- Occupancy
- Owner
- Possession type
- Flexible
- Garage
- Attached
- Annual property tax
- 9307
- Basement
- Partially Finished
- Interior features
- Auto Garage Door Remote, Bar Fridge, Carpet Free, On Demand Water Heater
- Exterior features
- Landscaped, Privacy, Porch
- Architectural style
- 2-Storey
- Parking features
- Private Double
- Pool features
- None
- Fireplace
- Yes
- Waterfront
- No
- Garage available
- Yes
- Heating system
- Radiant
- Heating fuel
- Gas
- Cooling
- Window Unit(s)
- Sewer
- Sewer
- Direction facing
- West
- Construction materials
- Brick, Board & Batten
- Roof
- Asphalt Shingle
- Foundation
- Stone
- MLS entry age (not confirmed DOM)
- 152 days
These details come from the listing source. Please confirm measurements and fees before making a decision.
Utilities and services
- Sewer
- Sewer
- Heating system
- Radiant
- Heating fuel
- Gas
- Cooling
- Window Unit(s)
A reported service is not necessarily included in rent or maintenance. Missing information does not mean a service is absent.
Rooms & virtual tours
Loading source-reported room dimensions…
Converted measurements are approximate. Levels and dimensions are shown only when supplied.
- Bedrooms above grade
- 4
- Rooms above grade
- 13
- Den / family room reported
- Yes
Reported counts are shown independently. Room dimensions have not been inferred from these counts.
Ask the listing brokerage for floor plans and measured room layouts.
Listing dates & price record
- Asking amount
- $1,875,000
Original MLS entry
Entry into the source MLS system; distinct from days on market.
Coverage varies by listing. Dates are source-reported calendar dates; only the latest reported asking-price change is shown. This is a partial record.
Explore sold records with approved VOW access →Nearby homes sold in Cobourg
Recent sold-home details are for approved VOW members. Sign in to view source-reported homes, dates and prices.
Estimate monthly costs
Adjust the assumptions for your own scenario. Blank expenses are unknown; enter them for a fuller estimate.
Planning estimate with Canadian semiannual compounding. Excludes mortgage insurance, closing costs and special assessments. This is not a lender quote or mortgage approval.
Explore affordability & closing-cost tools →Map and neighbourhood
- Region / county
- NORTHUMBERLAND
- Municipality
- COBOURG
Plan a trip from this home
Check a route from this property to work, school or another destination. Google Maps provides the current estimate when opened; traffic and departure time affect results.
Google Maps opens in a new tab and calculates the route. Your destination and this property location are sent to Google only when you submit. EnterHome does not store the destination or calculate a travel time.
Around this property
Schools, transit & everyday places
Published local sources. Distances are approximate straight-line distances, not walking routes.
Filter the records displayed below.
Nearby publicly funded schools
Within 5 km · approximate straight-line distances, not walking routes or attendance eligibility.
School year 2024-2025 · Preliminary · publisher extract 2026-09-14.
St. Michael Catholic Elementary School ↗
Elementary · JK-8 · English · Catholic
School board: Peterborough Victoria Northum Clarington CDSB ↗
23 University Ave W, Cobourg
Reported assessment results · source workbook 2024-2025
Source workbook percentages, not an overall school rating. Confirm assessment periods with the Ministry. Values may be privacy-rounded or suppressed; 0% and 100% do not always mean none or all.
- Grade 3 Reading (at provincial standard)
- 89%
- Grade 3 Writing (at provincial standard)
- 83%
- Grade 3 Mathematics (at provincial standard)
- 72%
- Grade 6 Reading (at provincial standard)
- 94%
- Grade 6 Writing (at provincial standard)
- 94%
- Grade 6 Mathematics (at provincial standard)
- 44%
Burnham Public School ↗
Elementary · JK-6 · English · Public
School board: Kawartha Pine Ridge DSB ↗
614 Burnham Street, Cobourg
Reported assessment results · source workbook 2024-2025
Source workbook percentages, not an overall school rating. Confirm assessment periods with the Ministry. Values may be privacy-rounded or suppressed; 0% and 100% do not always mean none or all.
- Grade 3 Reading (at provincial standard)
- 87%
- Grade 3 Writing (at provincial standard)
- 74%
- Grade 3 Mathematics (at provincial standard)
- 68%
- Grade 6 Reading (at provincial standard)
- 81%
- Grade 6 Writing (at provincial standard)
- 83%
- Grade 6 Mathematics (at provincial standard)
- 56%
Notre Dame Catholic Elementary School ↗
Elementary · JK-8 · English · Catholic
School board: Peterborough Victoria Northum Clarington CDSB ↗
760 Burnham St, Cobourg
Reported assessment results · source workbook 2024-2025
Source workbook percentages, not an overall school rating. Confirm assessment periods with the Ministry. Values may be privacy-rounded or suppressed; 0% and 100% do not always mean none or all.
- Grade 3 Reading (at provincial standard)
- 82%
- Grade 3 Writing (at provincial standard)
- 88%
- Grade 3 Mathematics (at provincial standard)
- 76%
- Grade 6 Reading (at provincial standard)
- 96%
- Grade 6 Writing (at provincial standard)
- 92%
- Grade 6 Mathematics (at provincial standard)
- 65%
Cobourg Collegiate Institute ↗
Secondary · 9-12 · English · Public
School board: Kawartha Pine Ridge DSB ↗
335 King East St, Cobourg
Reported assessment results · source workbook 2024-2025
Source workbook percentages, not an overall school rating. Confirm assessment periods with the Ministry. Values may be privacy-rounded or suppressed; 0% and 100% do not always mean none or all.
- Grade 9 Mathematics (at provincial standard)
- 53%
- Grade 10 OSSLT (first-attempt pass)
- 81%
C R Gummow Public School ↗
Elementary · JK-8 · English · Public
School board: Kawartha Pine Ridge DSB ↗
311 Cottesmore Ave, Cobourg
Reported assessment results · source workbook 2024-2025
Source workbook percentages, not an overall school rating. Confirm assessment periods with the Ministry. Values may be privacy-rounded or suppressed; 0% and 100% do not always mean none or all.
- Grade 3 Reading (at provincial standard)
- 83%
- Grade 3 Writing (at provincial standard)
- 65%
- Grade 3 Mathematics (at provincial standard)
- 59%
- Grade 6 Reading (at provincial standard)
- 89%
- Grade 6 Writing (at provincial standard)
- 88%
- Grade 6 Mathematics (at provincial standard)
- 53%
Centre for Individual Studies Northumberland ↗
Secondary · 9-12 · English · Public
School board: Kawartha Pine Ridge DSB ↗
780 D'arcy Street N. Street, Cobourg
Reported assessment results · source workbook 2024-2025
Source workbook percentages, not an overall school rating. Confirm assessment periods with the Ministry. Values may be privacy-rounded or suppressed; 0% and 100% do not always mean none or all.
No published percentages for these measures in this source record.
St. Joseph Catholic Elementary School ↗
Elementary · JK-8 · English · Catholic
School board: Peterborough Victoria Northum Clarington CDSB ↗
919 D'Arcy St N, Cobourg
Reported assessment results · source workbook 2024-2025
Source workbook percentages, not an overall school rating. Confirm assessment periods with the Ministry. Values may be privacy-rounded or suppressed; 0% and 100% do not always mean none or all.
- Grade 3 Reading (at provincial standard)
- 65%
- Grade 3 Writing (at provincial standard)
- 56%
- Grade 3 Mathematics (at provincial standard)
- 71%
- Grade 6 Reading (at provincial standard)
- 80%
- Grade 6 Writing (at provincial standard)
- 80%
- Grade 6 Mathematics (at provincial standard)
- 27%
Terry Fox Public School ↗
Elementary · JK-8 · English · Public
School board: Kawartha Pine Ridge DSB ↗
1065 Riddell Ave, Cobourg
Reported assessment results · source workbook 2024-2025
Source workbook percentages, not an overall school rating. Confirm assessment periods with the Ministry. Values may be privacy-rounded or suppressed; 0% and 100% do not always mean none or all.
- Grade 3 Reading (at provincial standard)
- 75%
- Grade 3 Writing (at provincial standard)
- 78%
- Grade 3 Mathematics (at provincial standard)
- 62%
- Grade 6 Reading (at provincial standard)
- 86%
- Grade 6 Writing (at provincial standard)
- 81%
- Grade 6 Mathematics (at provincial standard)
- 43%
Confirm programs and attendance with the school board. Private schools and verified catchment boundaries are not included. Contains information licensed under the Open Government Licence – Ontario. Ministry source.
Filter the records displayed below.
Transit near this property
No current nearby stops were returned by the installed TTC, GO Transit and UP Express datasets. Coverage and service dates vary; distances and travel times are not inferred.
Filter the records displayed below.
Nearby shops & amenities
No nearby places were returned by the current OpenStreetMap snapshot. Coverage is regional and may be incomplete; verify business details before visiting.
Want to see this home?Request a showing →
Similar homes for sale in Cobourg, Northumberland, Ontario
Current public IDX listings in the same city and transaction type. These are alternatives to explore, not sold comparables or an appraisal.
Property questions
How do I request a showing?
Choose a date and time preference in the request form. A request is not a confirmed appointment; EnterHome will confirm availability separately.
Are the measurements and features independently verified?
Measurements, lot details and features are displayed as reported by the listing source or a named public dataset. Missing facts are not inferred. Confirm material details with the listing brokerage.
What do nearby school, transit and shop results mean?
They are nearby records from the displayed source datasets. Distances are approximate straight-line distances; school catchment eligibility, ratings, walking routes, hours and live transit service are not inferred.
Can I see sold prices for nearby properties?
Sold and leased comparable records are shown only to approved VOW users where the source permits display. Sign in or request VOW access if prompted.
How should I use the monthly cost estimate?
It is a planning estimate based on the visible assumptions and reported property figures. It is not a lender quote, tax assessment, legal opinion or mortgage approval.
Home and neighbourhood overview
181 Ontario Street, Cobourg, ON K9A 3B6, Cobourg is listed for sale as a Detached. The listing reports 4 bedrooms, 3 bathrooms, reported interior area of 3000-3500 (units not reported), kitchens reported as 1, parking spaces reported as 8. Asking price: $1,875,000. Occupancy is reported as Owner. Review the Home details, room measurements and utility sections below to compare reported specifications; confirm important details with the listing brokerage. MLS® X13415040.
The Ministry’s school dataset lists St. Michael Catholic Elementary School approximately 917 m from the property’s mapped location.
Local context
The Ministry’s school dataset lists St. Michael Catholic Elementary School approximately 917 m from the property’s mapped location.
Sources & distance notes
Distances are approximate straight-line estimates to mapped points or area centres. School proximity does not establish attendance eligibility.
Explore the area: Northumberland · Cobourg.
This overview uses facts reported by the listing and named local sources. Please confirm details with the listing brokerage.
Listing brokerage: RE/MAX Rouge River Realty Ltd.. Displayed by EnterHome Realty. Source: authorized IDX record, MLS® X13415040. Information deemed reliable but not guaranteed.