DetachedOn market 131 days

670 William St, Cobourg

Name: 670 William Street
SKU: X13506492
Price: 1000000 CAD
Availability: InStock

Cobourg, ON · · MLS® X13506492Updated October 16, 2026

$1,000,000Est. $4,913/mo mortgage

Bedrooms: 3
Bathrooms: 2
Living space: 1100–1500sq ft
Parking spaces: 10

Type Detached
Garage Yes
Basement Apartment, Full

What you should know

670 William St is a 3-bedroom, 2-bathroom detached home in Cobourg, listed for $1,000,000. It has 1100-1500 sq ft of living space.

Escape to your own private nature oasis with this rare-zoned property that owns into a beautiful, sparkling creek filled with trout and salmon & surrounded by forest.
A large living room picture window shows off gorgeous greenspace views of your manicured grounds, forest.
The fully finished lower level offers1,391 sq ft of living space, with a stone wall surrounding a Gas Fireplace.

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3 Bed, 2 Bath Detached Home in Cobourg

About 670 William Street

Escape to your own private nature oasis with this rare-zoned property that owns into a beautiful, sparkling creek filled with trout and salmon & surrounded by forest. A classic & well-maintained 3+1BR, 2Bath bungalow is home, tucked away on (approx.) 2 park-like acres! A dream come true for nature lovers, families as well as for any who wish to have a workshop for hobbies or a business onsite. The home features a great main floor living layout (1,391 sq ft) with upgraded kitchen. A large living room picture window shows off gorgeous greenspace views of your manicured grounds, forest. The fully finished lower level offers1,391 sq ft of living space, with a stone wall surrounding a Gas Fireplace. Perfect space for a guest unit, in-law suite, or multi-family living. Step outside to a large Carport over a concrete slab, ideal for parking or hosting covered outdoor patios & family BBQs. Adjacent to a large Conservation Park, your land owns well into the Cobourg Creek that runs along the NW perimeter & the land is protected by old growth Forest for privacy. A Detached workshop zoned for Industrial or Commercial is located on the south side of the property with William St visibility - currently rented by a fabulous artisan carver. This versatile building workshop is the ultimate setup for your heavy hobbies, a home business, or potentially converting into a second garden suite residence (based on town approvals.) This property has many zonings included Development (May be able to convert to a specific zoning use depending on what you seek to develop, as per town zoning requirements.) Enjoy a flat, tree-surrounded sanctuary that features full city water, sewer, hydro, and high-speed internet with multiple zoning! Located in a growing town just 100 km from Toronto with easy access to public transit, VIA Rail, and Highways 401/407. Live, work, and play in a one-of-a-kind property offering endless space, flexibility, and long-term family or investment value.

3 bedrooms, 2 bathrooms, about 1,100 sq ft, works out to roughly $909 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.

Inside 670 William St

Every detail from the listing, in one place.

Type: Detached
Style: Bungalow
Living space: 1100-1500 sq ftas stated on the listing
Parking: 10 spacesYes garage
Basement: Apartment, Full

Features & systems

Parking & garage

Garage: Yes
Parking spaces: 10

Interior

Basement: Apartment · Full

Lot & land

Lot size (sqft): 91911.6

Listing & possession

Property style: Bungalow
Property class: Detached

670 William St Price & Sale History

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

Jun 29, 2026For saleListedThis listingMLS® X13506492$1,000,000

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

What's it worth?

How 670 William St 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

Well Above Market· 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: $630,000
Average sold price: $664,800
Average days on market: 44
Homes sold: 151

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 home670 William Street 3 bd · 2 ba · 1,100 sqft	$1,000,000asking	$909	—	—
1240 Alder Road 3 bd · 3 ba · 2,000 sqft
746 Northwood Drive 3 bd · 1 ba · 1,500 sqft
717 Westwood Drive 3 bd · 1 ba · 1,500 sqft
830 Ewing Court 2 bd · 2 ba · 700 sqft
522 George Street 4 bd · 2 ba · 2,000 sqft
235 Carroll Crescent 2 bd · 2 ba · 1,100 sqft

1240 Alder Road
3 bd · 3 ba · 2,000 sqft
746 Northwood Drive
3 bd · 1 ba · 1,500 sqft
717 Westwood Drive
3 bd · 1 ba · 1,500 sqft
830 Ewing Court
2 bd · 2 ba · 700 sqft
522 George Street
4 bd · 2 ba · 2,000 sqft
235 Carroll Crescent
2 bd · 2 ba · 1,100 sqft

Living in Cobourg: Location & Amenities

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How long is your commute?

From 670 William St. Typical times without traffic delays; transit times aren't available yet.

Costs, Mortgage & Rental Return for 670 William St

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

Mortgage: $4,913; 20% down · 25 years · 5.5% assumed
Property tax: $550; 0.66% mill rate · ON
Total per month: $5,463; 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

$4,913

/mo

based on the purchase price of $1,000,000

Down payment20%

$200,000 cash

Amortization25 yr

$800,000 financed

Rate5.50%

$673,810 total interest

Principal54%$800,000

Interest46%$673,810

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: Century 21 United Realty Inc., BrokerageMLS® X13506492 · Listing data last updated October 16, 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 Jun 28· $909/sq ft

Estimated monthly mortgage$4,913/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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