4974 Marion St is a 3-bedroom, 2-bathroom detached home in Thames Centre, listed for $1,199,000. It has 2500-3000 sq ft of living space.
1This Executive Estate on 7.5 acres is truly magical!
2Located in close proximity to downtown Dorchester, London, and the 401; a very rare piece of property.
3Inside is an abundance of space on one level (see floor plans) featuring oversized kitchen, three beds, three baths, formal dining, family room, great room, office, games room and an office.
This Executive Estate on 7.5 acres is truly magical! Located in close proximity to downtown Dorchester, London, and the 401; a very rare piece of property. Set back from the quiet road this incredibly well constructed home is ultra efficient featuring Geothermal energy and top of the line windows. Inside is an abundance of space on one level (see floor plans) featuring oversized kitchen, three beds, three baths, formal dining, family room, great room, office, games room and an office. The triple bay garage with attached wine cellar is just the beginning of additional utility; there's an oversized shop containing several rooms with exterior hoist...an overabundance of storage or for the mechanically inclined! Backing and siding onto farmland, outside you are enveloped in tranquility and privacy with greenery, pond and coniferous trees for year round enjoyment. Seeing is believing on this one of a kind retreat.
3 bedrooms, 2 bathrooms, about 2,500 sq ft, works out to roughly $480 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 4974 Marion St
Every detail from the listing, in one place.
Type
Detached
Style
Bungalow
Living space
2500-3000 sq ftas stated on the listing
Lot size
x
Parking
18 spacesYes garage
Basement
None
Features & systems
Parking & garage
Garage
Yes
Parking spaces
18
Interior
Basement
None
Lot & land
Lot dimensions
x
Lot size (sqft)
0
Lot features
Irregular Lot
Listing & possession
Property style
Bungalow
Property class
Detached
4974 Marion St Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X12969108$1,199,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 4974 Marion St Compares to the Thames Centre 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
$5,890
/mo
based on the purchase price of $1,199,000
$239,800 cash
$959,200 financed
$807,898 total interest
Principal54%$959,200
Interest46%$807,898
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 Thames Centre
Other 4-bed homes for sale in Thames Centre around $1.2M.
Average days on market66Homes sold in about 66 days on average.
Sale-to-list ratio98.3%On average, homes sold below asking.
Active listings141Homes for sale here right now.
Median vs prior 90 days−0.6%Compared with Apr 25 – Jul 24, 2026: prices down.
Based on 68 sales from Jul 24 – Oct 22, 2026 (55 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 4974 Marion St
How much is 4974 Marion St listed for?
4974 Marion St is listed at $1,199,000 (MLS® X12969108). Summitly updates the price as soon as the MLS® record changes.
Is $1,199,000 a good price for 4974 Marion St?
Summitly rates it Good Deal: the asking price is 3% to 10% below Zara's estimate, an estimate built from recent sales in Thames Centre. 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 4974 Marion St changed?
No — 4974 Marion St is still listed at its original asking price of $1,199,000.
How many bedrooms and bathrooms does 4974 Marion St have?
4974 Marion St has 3 bedrooms and 2 bathrooms, with about 2,500–3,000 square feet of living space. It is a detached home in Thames Centre.
How much would the monthly mortgage be on 4974 Marion St?
About $5,890 a month — principal and interest on $1,199,000 with 20% down ($239,800), 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 4974 Marion St compare with other homes in Thames Centre?
Its asking price of $1,199,000 is about 55% above the median sold price in Thames Centre over the last 90 days, $775,000, across 68 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 4974 Marion St been sold before?
Summitly has no earlier MLS® sale or lease of 4974 Marion St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 4974 Marion St?
4974 Marion St is in Thames Centre, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 4974 Marion St been on the market?
197 days — 4974 Marion St was listed on April 8, 2026.
What is the price per square foot of 4974 Marion St?
About $400 to $480 per square foot: the asking price of $1,199,000 over the 2,500–3,000 sq ft the listing gives as its size range.
Does 4974 Marion St have parking or a garage?
Yes — the listing gives 18 parking spaces. Garage: Yes.
Does 4974 Marion St have a basement, and is it finished?
