For saleExcellent Deal

DetachedOn market 47 daysPrice drop · $30,000 off (-3.6%)

309 King St W, Cobourg

Cobourg, ON · · MLS® X13794156Updated October 28, 2026

$799,000Est. $3,925/mo mortgage

Bedrooms: 3
Bathrooms: 1
Living space: 2000–2500sq ft
Parking spaces: 7

Type Detached
Garage Yes
Basement Partially Finished, Separate Entrance

What you should know

309 King St W is a 3-bedroom, 1-bathroom detached home in Cobourg, listed for $799,000. It has 2000-2500 sq ft of living space.

Beautifully restored, and set on almost half an acre, the property features incredible mature gardens with a stunning park-like setting.
Inside you'll find a bright and airy centre hall plan with spacious principal rooms, hardwood flooring, original trim and classic architectural details throughout.
Much larger than it appears, this home offers warmth, elegance, and exceptional living space.

Ask Zara:

1 Upcoming Open House at 309 King St W

Drop in during an open house, or book a private viewing at a time that suits you.

Sunday, November 12:00 PM – 4:00 PMIn person · no booking neededAdd to Google Calendar (opens in a new tab)Apple / Outlook (.ics)

3 Bed, 1 Bath Detached Home in Cobourg

About 309 King Street West

Circa 1855, this century home is nestled on a picturesque tree-lined street surrounded by beautiful historic homes and just moments from downtown Cobourg - an easy walk. This home is filled with timeless charm and cinematic character at every turn. Beautifully restored, and set on almost half an acre, the property features incredible mature gardens with a stunning park-like setting. Inside you'll find a bright and airy centre hall plan with spacious principal rooms, hardwood flooring, original trim and classic architectural details throughout. Much larger than it appears, this home offers warmth, elegance, and exceptional living space. Additional features include a detached double car garage with a storage loft above, a relaxing screened in sunroom, and a partially finished basement with plenty of storage and a separate entrance. Short walk to pretty downtown Cobourg, West Beach, Cobourg Beach and Peace Park, it's ideally situated.

3 bedrooms, 1 bathroom, about 2,000 sq ft, works out to roughly $400 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.

Inside 309 King St W

Every detail from the listing, in one place.

Type: Detached
Style: 1 1/2 Storey
Living space: 2000-2500 sq ftas stated on the listing
Parking: 7 spacesYes garage
Basement: Partially Finished, Separate Entrance

Features & systems

Parking & garage

Garage: Yes
Parking spaces: 7

Interior

Basement: Partially Finished · Separate Entrance

Lot & land

Lot size (sqft): 0

Listing & possession

Property style: 1 1/2 Storey
Property class: Detached

309 King St W Price & Sale History

Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.

—ReducedPrice reducedThis listingMLS® X13794156−$30,000 (3.6%)$799,000
Sep 15, 2026For saleListedThis listingMLS® X13794156$829,000

Sourced from MLS®. Includes earlier listings of this property on record.

What's it worth?

How 309 King St W Compares to the Cobourg Market

Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.

Zara’s estimate

Excellent Deal· based on 255 recent sales

Value your own home →How accurate are Zara’s estimates?

Summitly estimate, not from TRREB, the MLS® or the listing brokerage. Not an appraisal. How it works

Cobourg market, last 90 days

Median sold price: $628,000
Average sold price: $659,120
Average days on market: 45
Homes sold: 148

Closed sales on the TRREB MLS®.

Full Cobourg market report

Recently sold nearby in Cobourg

Sold prices are shown free to signed-in members, as board rules require.

6 nearby sales vs. this home

Closed sales from MLS®, compared with this home's asking price.

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Home	Sold price	$ / sqft	% of asking	Sold
This home309 King Street W 3 bd · 1 ba · 2,000 sqft	$799,000asking	$400	—	—
81 D'arcy Street 3 bd · 1 ba · 700 sqft
432 Nickerson Drive 3 bd · 2 ba · 1,100 sqft
846 Ontario Street 3 bd · 2 ba · 1,500 sqft
269 Morgan Street 2 bd · 3 ba · 1,100 sqft
344 D'arcy Street 3 bd · 2 ba · 1,100 sqft
567 Daintry Crescent 3 bd · 2 ba · 1,100 sqft

81 D'arcy Street
3 bd · 1 ba · 700 sqft
432 Nickerson Drive
3 bd · 2 ba · 1,100 sqft
846 Ontario Street
3 bd · 2 ba · 1,500 sqft
269 Morgan Street
2 bd · 3 ba · 1,100 sqft
344 D'arcy Street
3 bd · 2 ba · 1,100 sqft
567 Daintry Crescent
3 bd · 2 ba · 1,100 sqft

Living in Cobourg: Location & Amenities

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Costs, Mortgage & Rental Return for 309 King St W

What it could cost each month, today's rates from our mortgage partner, and what it could return as a rental.

Mortgage: $3,925; 20% down · 25 years · 5.5% assumed
Property tax: $439; 0.66% mill rate · ON
Total per month: $4,364; Before utilities, insurance and fees

Figures are Summitly estimates for illustration only — not from TRREB or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.

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Monthly cost

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Down payment

Rate (%)

Years

An estimate, not a quote. Utilities and insurance are extra.

Affordability calculator

Estimated monthly payment

$3,925

/mo

based on the purchase price of $799,000

Down payment20%

$159,800 cash

Amortization25 yr

$639,200 financed

Rate5.50%

$538,374 total interest

Principal54%$639,200

Interest46%$538,374

20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.

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Figures are Summitly estimates for illustration only — not from TRREB or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.

Rental income potential

Est. monthly rent

low–high

Gross yield

rent × 12 ÷ price

Cap rate (est.)

net of tax + fees

Summitly AI estimate for discussion only — not from TRREB or the MLS® feed, and not an appraisal or investment advice. Yield and cap rate are derived from the estimated rent versus the asking price.

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Listing brokerage: Royal LePage Our Neighbourhood Realty, BrokerageMLS® X13794156 · Listing data last updated October 28, 2026

Listing data comes from the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but not guaranteed. Shown on Summitly by Coldwell Banker Summit Realty, Brokerage, which is not the listing brokerage. The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose. © 2026 Toronto Regional Real Estate Board. All rights reserved.

Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Estimated values, AI insights, calculator results, and rental projections shown on this page are generated by Summitly and are not provided by, reviewed by, or sourced from TRREB, the MLS®, or the listing brokerage; they are not appraisals or opinions of value. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.

For sale· listed Sep 14· $400/sq ft

Estimated monthly mortgage$3,925/moMortgage only · 20% down · 5.5% assumed

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5.0 · Google rating for Coldwell Banker Summit Realty, Brokerage · as of September 2026

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309 King St W, Cobourg

What you should know

1 Upcoming Open House at 309 King St W