40 Tremaine Terr is a 4-bedroom, 3-bathroom detached home in Cobourg, listed for $1,350,000. It has 3500-5000 sq ft of living space.
1The fully fenced yard with mature maple trees & perennials provides a private oasis offering peace & tranquility overlooking Cobourg Creek & Lake Ontario.
2Perfect for entertaining!
3Main floor & second floor sophisticated Primary bedrooms with private ensuites.
Welcome to 40 Tremaine Terrace located in a prominent, exclusive, Cobourg residential neighbourhood on a quiet cul-de-sac bordering Lake Ontario. The fully fenced yard with mature maple trees & perennials provides a private oasis offering peace & tranquility overlooking Cobourg Creek & Lake Ontario. This recently renovated 4 bedroom + den, 3600 sq ft (approx) professional & stylish home offers a sleek, modern kitchen and appliances with centre island, a bright sun filled open living area which walks out to a spacious rear deck, complete with BBQ gas line. Perfect for entertaining! Main floor & second floor sophisticated Primary bedrooms with private ensuites. The bonus room above the garage makes a great gym or quiet private area for reading or reflection. New furnace 2025. The skylights, stained glass windows, fireplace, gas stove, crown mouldings, wood flooring, interlock driveway, second floor laundry, etc, are additional details suggesting a grand, thoughtful floor plan and a stunning home with attention to detail. Great value here!
4 bedrooms, 3 bathrooms, about 3,500 sq ft, works out to roughly $386 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 40 Tremaine Terr
Every detail from the listing, in one place.
Type
Detached
Style
2-Storey
Living space
3500-5000 sq ftas stated on the listing
Parking
6 spacesYes garage
Basement
Separate Entrance, Full
Features & systems
Parking & garage
Garage
Yes
Parking spaces
6
Interior
Basement
Separate Entrance · Full
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
2-Storey
Property class
Detached
40 Tremaine Terr Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
Independent mortgage broker · OAC · rates subject to change and underwritingMortgage Squad →
Referral disclosure: Summitly may refer you to Mortgage Squad Advisors, an affiliated mortgage partner. You are free to choose any lender or mortgage professional.
Monthly cost
Enter a rate to see the monthly cost
An estimate, not a quote. Utilities and insurance are extra.
Affordability calculator
Estimated monthly payment
$6,632
/mo
based on the purchase price of $1,350,000
$270,000 cash
$1,080,000 financed
$909,643 total interest
Principal54%$1,080,000
Interest46%$909,643
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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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.
Similar homes for sale nearby in Cobourg
Other 3–4 bed homes for sale in Cobourg around $1.4M.
Average days on market45Homes sold in about 45 days on average.
Sale-to-list ratio97.4%On average, homes sold below asking.
Active listings219Homes for sale here right now.
Median vs prior 90 days−1.5%Compared with May 7 – Aug 5, 2026: prices down.
Based on 150 sales from Aug 5 – Nov 3, 2026 (108 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 40 Tremaine Terr
How much is 40 Tremaine Terr listed for?
40 Tremaine Terr is listed at $1,350,000 (MLS® X13014808). Summitly updates the price as soon as the MLS® record changes.
Is $1,350,000 a good price for 40 Tremaine Terr?
Summitly rates it Excellent Deal: the asking price is 10% or more below Zara's estimate, an estimate built from recent sales in Cobourg. The rating is an automated opinion, not an appraisal; "What's it worth?" on this page shows how it is worked out. See Zara's estimate
Has the price of 40 Tremaine Terr changed?
Yes — it was first listed at $1,450,000 and is now $1,350,000, a drop of $100,000 (6.9%).
How many bedrooms and bathrooms does 40 Tremaine Terr have?
40 Tremaine Terr has 4 bedrooms and 3 bathrooms, with about 3,500–5,000 square feet of living space. It is a detached home in Cobourg.
How much would the monthly mortgage be on 40 Tremaine Terr?
About $6,632 a month — principal and interest on $1,350,000 with 20% down ($270,000), a 25-year amortization and an assumed 5.5% interest rate. The mortgage calculator on this page lets you change the down payment, amortization and rate.
How does 40 Tremaine Terr compare with other homes in Cobourg?
Its asking price of $1,350,000 is about 115% above the median sold price in Cobourg over the last 90 days, $628,000, across 150 closed sales on the TRREB MLS®. A city median mixes every type and size of home, so the comparable sales on this page are the closer guide.
Has 40 Tremaine Terr been sold before?
Summitly has no earlier MLS® sale or lease of 40 Tremaine Terr on record from the last two years. Older records aren't shown under TRREB rules.
Where is 40 Tremaine Terr?
40 Tremaine Terr is in Cobourg, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 40 Tremaine Terr been on the market?
200 days — 40 Tremaine Terr was listed on April 17, 2026.
What is the price per square foot of 40 Tremaine Terr?
About $270 to $386 per square foot: the asking price of $1,350,000 over the 3,500–5,000 sq ft the listing gives as its size range.
Does 40 Tremaine Terr have parking or a garage?
Yes — the listing gives 6 parking spaces. Garage: Yes.
Does 40 Tremaine Terr have a basement, and is it finished?
The listing describes the basement as: Separate Entrance, Full.
