21 Monroe Ave is a 2-bedroom, 1-bathroom detached home in Cornwall, listed for $339,000. It has 700-1100 sq ft of living space.
1Recent upgrades include Quartz countertops and new kitchen cabinets, upgraded bathrooms and newer interior and exterior doors and windows.
2Two good size bedrooms and one full bathroom upstairs with main floor consisting of large kitchen/dining area including laundry, living room and two piece bath.
3Access to large yard via kitchen with good potential for nice deck.
Charming home on a quiet cul-de-sac in center town, close to all conveniences. Recent upgrades include Quartz countertops and new kitchen cabinets, upgraded bathrooms and newer interior and exterior doors and windows. Two good size bedrooms and one full bathroom upstairs with main floor consisting of large kitchen/dining area including laundry, living room and two piece bath. Total approximate 1002 above grade sq ft. Access to large yard via kitchen with good potential for nice deck. Carport for 2 cars. Basement is unfinished and damp but well managed with dehumidifier.
2 bedrooms, 1 bathroom, about 700 sq ft, works out to roughly $484 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 21 Monroe Ave
Every detail from the listing, in one place.
Type
Detached
Style
1 1/2 Storey
Living space
700-1100 sq ftas stated on the listing
Parking
2 spaces
Basement
Unfinished
Features & systems
Parking & garage
Parking spaces
2
Interior
Basement
Unfinished
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
1 1/2 Storey
Property class
Detached
21 Monroe Ave Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X13576730$339,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 21 Monroe Ave Compares to the Cornwall Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
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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
$1,665
/mo
based on the purchase price of $339,000
$67,800 cash
$271,200 financed
$228,422 total interest
Principal54%$271,200
Interest46%$228,422
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 $339K.
Average days on market44Homes sold in about 44 days on average.
Sale-to-list ratio97.1%On average, homes sold below asking.
Active listings235Homes for sale here right now.
Median vs prior 90 days+4.1%Compared with May 14 – Aug 12, 2026: prices up.
Based on 273 sales from Aug 12 – Nov 10, 2026 (196 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 21 Monroe Ave
How much is 21 Monroe Ave listed for?
21 Monroe Ave is listed at $339,000 (MLS® X13576730). Summitly updates the price as soon as the MLS® record changes.
Is $339,000 a good price for 21 Monroe Ave?
Summitly rates it Well Above Market: the asking price is 15% or more above 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 21 Monroe Ave changed?
No — 21 Monroe Ave is still listed at its original asking price of $339,000.
How many bedrooms and bathrooms does 21 Monroe Ave have?
21 Monroe Ave has 2 bedrooms and 1 bathroom, with about 700–1,100 square feet of living space. It is a detached home in Cornwall.
How much would the monthly mortgage be on 21 Monroe Ave?
About $1,665 a month — principal and interest on $339,000 with 20% down ($67,800), 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 21 Monroe Ave compare with other homes in Cornwall?
Its asking price of $339,000 is about 19% below the median sold price in Cornwall over the last 90 days, $417,000, across 273 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 21 Monroe Ave been sold before?
Summitly has no earlier MLS® sale or lease of 21 Monroe Ave on record from the last two years. Older records aren't shown under TRREB rules.
Where is 21 Monroe Ave?
21 Monroe Ave is in Cornwall, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 21 Monroe Ave been on the market?
116 days — 21 Monroe Ave was listed on July 17, 2026.
What is the price per square foot of 21 Monroe Ave?
About $308 to $484 per square foot: the asking price of $339,000 over the 700–1,100 sq ft the listing gives as its size range.
Does 21 Monroe Ave have parking or a garage?
Yes — the listing gives 2 parking spaces.
Does 21 Monroe Ave have a basement, and is it finished?
The listing describes the basement as: Unfinished.
