Looking for warmth, character and timeless elegance? This 2300 sq ft distinguished Georgian Revival home is perfect for you! Featuring limestone detailing, generous principal rooms and exceptional curb appeal, this stately brick two-storey blends historic craftsmanship with tasteful modern updates. The custom kitchen offers quartz "double" islands, premium appliances and loads of storage. Value features include a gas fireplace, crown mouldings, hardwood floors, pot lighting and California shutters throughout. Entertain outdoors with an inground pool, covered gazebos, BBQ bar, extensive interlocking and low-maintenance hardscape. Main floor features a cozy den, a sunroom, laundry and powder room. Upstairs offers 3 spacious bedrooms, including an oversized primary with double walk-in closets. Enjoy updated bathrooms on every level. The finished basement has exterior egress, a 3pc bath and a kitchenette style set-up. Utilize the basement as a rec room or an in-law suite. Additional highlights include a full security system, Gemstone LED exterior lighting and flexible possession. Turn-key and meticulously maintained! 24hr irrevocable. Book your private showing today!
3 bedrooms, 2 bathrooms, about 2,000 sq ft, works out to roughly $270 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 420 Third St W
Every detail from the listing, in one place.
Type
Detached
Style
2-Storey
Living space
2000-2500 sq ftas stated on the listing
Parking
4 spaces
Basement
Separate Entrance, Finished
Features & systems
Parking & garage
Parking spaces
4
Interior
Basement
Separate Entrance · Finished
Exterior & construction
Pool
Yes
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
2-Storey
Property class
Detached
420 Third St W Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X14149844$539,900
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 420 Third St W 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
$2,652
/mo
based on the purchase price of $539,900
$107,980 cash
$431,920 financed
$363,790 total interest
Principal54%$431,920
Interest46%$363,790
20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.
Want rate-drop alerts and a saved shortlist?
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 2–4 bed homes for sale in Cornwall around $540K.
Average days on market44Homes sold in about 44 days on average.
Sale-to-list ratio97.0%On average, homes sold below asking.
Active listings237Homes for sale here right now.
Median vs prior 90 days+4.3%Compared with May 8 – Aug 6, 2026: prices up.
Based on 273 sales from Aug 6 – Nov 4, 2026 (186 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 420 Third St W
How much is 420 Third St W listed for?
420 Third St W is listed at $539,900 (MLS® X14149844). Summitly updates the price as soon as the MLS® record changes.
Is $539,900 a good price for 420 Third St W?
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 420 Third St W changed?
No — 420 Third St W is still listed at its original asking price of $539,900.
How many bedrooms and bathrooms does 420 Third St W have?
420 Third St W has 3 bedrooms and 2 bathrooms, with about 2,000–2,500 square feet of living space. It is a detached home in Cornwall.
How much would the monthly mortgage be on 420 Third St W?
About $2,652 a month — principal and interest on $539,900 with 20% down ($107,980), 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 420 Third St W compare with other homes in Cornwall?
Its asking price of $539,900 is about 29% above 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 420 Third St W been sold before?
Summitly has no earlier MLS® sale or lease of 420 Third St W on record from the last two years. Older records aren't shown under TRREB rules.
Where is 420 Third St W?
420 Third St W is in Cornwall, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 420 Third St W been on the market?
420 Third St W was listed today (November 4, 2026).
What is the price per square foot of 420 Third St W?
About $216 to $270 per square foot: the asking price of $539,900 over the 2,000–2,500 sq ft the listing gives as its size range.
Does 420 Third St W have parking or a garage?
Yes — the listing gives 4 parking spaces.
Does 420 Third St W have a basement, and is it finished?
The listing describes the basement as: Separate Entrance, Finished.
