428 Queen St W #3 is a 1-bedroom, 1-bathroom condo townhouse in St. Marys, listed for $329,900. It has 700-799 sq ft of living space.
1Thoughtfully designed with premium vinyl plank flooring throughout, hard surface countertops, and a sleek stainless steel appliance package, this home delivers contemporary style with everyday functionality.
Welcome to effortless condominium living in this brand new, never-before-lived-in unit offering the perfect blend of modern finishes, energy efficiency, and low-maintenance convenience. Thoughtfully designed with premium vinyl plank flooring throughout, hard surface countertops, and a sleek stainless steel appliance package, this home delivers contemporary style with everyday functionality. Enjoy exceptional energy efficiency with a hydronic heating system and on-demand water heater, helping keep comfort high and utility costs low. Low monthly condo fees make this a truly turn-key lifestyle-say goodbye to snow removal and grass cutting, and spend more time enjoying maintenance-free living. Available immediately, this is the perfect opportunity for first-time buyers, downsizers, or investors seeking a move-in-ready property. *Photos of previous model suite*
1 bedroom, 1 bathroom, about 700 sq ft, works out to roughly $471 per square foot, the bed-to-bath ratio is generous. Chat with Zara if you'd like a deeper read on whether this condo townhouse fits your budget and timing.
Inside 428 Queen St W #3
Every detail from the listing, in one place.
Type
Condo Townhouse
Style
1 Storey/Apt
Living space
700-799 sq ftas stated on the listing
Parking
1 space
Basement
None
Features & systems
Parking & garage
Parking spaces
1
Interior
Basement
None
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
1 Storey/Apt
Property class
Condo Townhouse
428 Queen St W #3 Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X13153810$329,900
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 428 Queen St W #3 Compares to the St. Marys 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
$1,621
/mo
based on the purchase price of $329,900
$65,980 cash
$263,920 financed
$222,290 total interest
Principal54%$263,920
Interest46%$222,290
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 St. Marys
Other 1–2 bed homes for sale in St. Marys around $330K.
Average days on market69Homes sold in about 69 days on average.
Sale-to-list ratio97.5%On average, homes sold below asking.
Active listings67Homes for sale here right now.
Median vs prior 90 days+6.1%Compared with Apr 24 – Jul 23, 2026: prices up.
Based on 45 sales from Jul 23 – Oct 21, 2026 (36 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
More in this building
3 for sale at 428 Queen St W — plus its sale and lease history.
428 Queen St W #3 is listed at $329,900 (MLS® X13153810). Summitly updates the price as soon as the MLS® record changes.
Is $329,900 a good price for 428 Queen St W #3?
Summitly rates it Fair Price: the asking price is Within 3% below to 5% above Zara's estimate, an estimate built from recent sales in St. Marys. 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 428 Queen St W #3 changed?
No — 428 Queen St W #3 is still listed at its original asking price of $329,900.
How many bedrooms and bathrooms does 428 Queen St W #3 have?
428 Queen St W #3 has 1 bedroom and 1 bathroom, with about 700–799 square feet of living space. It is a condo townhouse in St. Marys.
How much would the monthly mortgage be on 428 Queen St W #3?
About $1,621 a month — principal and interest on $329,900 with 20% down ($65,980), 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.
Are there open houses at 428 Queen St W #3?
Yes — Saturday, October 24, 10:30 AM – 12:00 PM. Open-house times come from the listing brokerage and can change, so check this page before you go, or book a private viewing.
How does 428 Queen St W #3 compare with other homes in St. Marys?
Its asking price of $329,900 is about 43% below the median sold price in St. Marys over the last 90 days, $574,000, across 45 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 428 Queen St W #3 been sold before?
Summitly has no earlier MLS® sale or lease of 428 Queen St W #3 on record from the last two years. Older records aren't shown under TRREB rules.
Where is 428 Queen St W #3?
428 Queen St W #3 is in St. Marys, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 428 Queen St W #3 been on the market?
153 days — 428 Queen St W #3 was listed on May 21, 2026.
What is the price per square foot of 428 Queen St W #3?
About $413 to $471 per square foot: the asking price of $329,900 over the 700–799 sq ft the listing gives as its size range.
