42-46 Marlborough St S is a 3-bedroom, 1-bathroom detached home in Cornwall, listed for $279,000. It has 1100-1500 sq ft of living space.
1Welcome to 42-46 Marlborough Street South, a corner lot with lots of potential.
2This unique property has a 3-bedroom home, an old storage building, and some vacant land on the side.
3This lot is located across from Cornwall's picturesque riverfront trails and baseball parks, making this a perfect property for outdoor enthusiasts, hikers or cyclists.
Welcome to 42-46 Marlborough Street South, a corner lot with lots of potential. This unique property has a 3-bedroom home, an old storage building, and some vacant land on the side. Whether you buy this property to use as an income property, as your own personal home, or rebuild, the options are there. This lot is located across from Cornwall's picturesque riverfront trails and baseball parks, making this a perfect property for outdoor enthusiasts, hikers or cyclists. It is also located right downtown, with easy access to shops and city transportation. Interestingly, 42 Marlborough street South is listed with the city as a non-designated heritage property, calling it the 'Boomtown Front House'. The home is currently rented so please allow at least 24 hour notice on all showings. The driveway entrance is on William Street.
3 bedrooms, 1 bathroom, about 1,100 sq ft, works out to roughly $254 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 42-46 Marlborough St S
Every detail from the listing, in one place.
Type
Detached
Style
1 1/2 Storey
Living space
1100-1500 sq ftas stated on the listing
Parking
2 spaces
Basement
Half
Features & systems
Parking & garage
Parking spaces
2
Interior
Basement
Half
Lot & land
Lot size (sqft)
0.07
Listing & possession
Property style
1 1/2 Storey
Property class
Detached
42-46 Marlborough St S Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X12948056$279,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 42-46 Marlborough St S Compares to the Cornwall Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
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
$1,371
/mo
based on the purchase price of $279,000
$55,800 cash
$223,200 financed
$187,993 total interest
Principal54%$223,200
Interest46%$187,993
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 Cornwall
Other 2–3 bed homes for sale in Cornwall around $279K.
Average days on market44Homes sold in about 44 days on average.
Sale-to-list ratio96.9%On average, homes sold below asking.
Active listings238Homes for sale here right now.
Median vs prior 90 days+3.0%Compared with May 17 – Aug 15, 2026: prices up.
Based on 265 sales from Aug 15 – Nov 13, 2026 (199 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 42-46 Marlborough St S
How much is 42-46 Marlborough St S listed for?
42-46 Marlborough St S is listed at $279,000 (MLS® X12948056). Summitly updates the price as soon as the MLS® record changes.
Is $279,000 a good price for 42-46 Marlborough St S?
Summitly rates it Excellent Deal: the asking price is 10% or more below Zara's estimate, an estimate built from recent sales in Cornwall. 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 42-46 Marlborough St S changed?
No — 42-46 Marlborough St S is still listed at its original asking price of $279,000.
How many bedrooms and bathrooms does 42-46 Marlborough St S have?
42-46 Marlborough St S has 3 bedrooms and 1 bathroom, with about 1,100–1,500 square feet of living space. It is a detached home in Cornwall.
How much would the monthly mortgage be on 42-46 Marlborough St S?
About $1,371 a month — principal and interest on $279,000 with 20% down ($55,800), 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 42-46 Marlborough St S compare with other homes in Cornwall?
Its asking price of $279,000 is about 33% below the median sold price in Cornwall over the last 90 days, $417,000, across 265 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 42-46 Marlborough St S been sold before?
Summitly has no earlier MLS® sale or lease of 42-46 Marlborough St S on record from the last two years. Older records aren't shown under TRREB rules.
Where is 42-46 Marlborough St S?
42-46 Marlborough St S is in Cornwall, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 42-46 Marlborough St S been on the market?
226 days — 42-46 Marlborough St S was listed on April 1, 2026.
What is the price per square foot of 42-46 Marlborough St S?
About $186 to $254 per square foot: the asking price of $279,000 over the 1,100–1,500 sq ft the listing gives as its size range.
Does 42-46 Marlborough St S have parking or a garage?
Yes — the listing gives 2 parking spaces.
Does 42-46 Marlborough St S have a basement, and is it finished?
