621 Masson St is a 4-bedroom, 1-bathroom detached home in Oshawa, listed for $829,900. It has 1500-2000 sq ft of living space.
1Ideally situated in a prime location within a sought-after school district, this four-bedroom, one-and-a-half-bath home offers generous space for family living, entertaining, and making memories for years to come.
2Outside, the property becomes its own private escape.
3Solid garage with hydro is perfect as a workshop or outdoor storage.
Step into the charm and character of a beautiful all-brick century home, where timeless craftsmanship meets the comforts of today. Rich with original and unique architectural details, this special residence offers a rare opportunity to own a home with true personality and history. Ideally situated in a prime location within a sought-after school district, this four-bedroom, one-and-a-half-bath home offers generous space for family living, entertaining, and making memories for years to come. Original features throughout tell the story of the home's heritage, creating warmth and character that simply cannot be replicated in newer construction. Every room offers its own sense of charm, while the solid brick exterior provides the enduring beauty and presence of a classic century home. Outside, the property becomes its own private escape. A beautiful stone patio provides the perfect setting for summer dinners, morning coffee, or evenings spent entertaining friends, while the large backyard offers plenty of room for children, gardening, pets, or simply enjoying the outdoors. Solid garage with hydro is perfect as a workshop or outdoor storage. A rare combination of architectural character, generous living space, a prime location, and an exceptional yard, this is a home with a story to tell - and the opportunity to become part of yours. A/C heat pump installed 2026.
4 bedrooms, 1 bathroom, about 1,500 sq ft, works out to roughly $553 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 621 Masson St
Every detail from the listing, in one place.
Type
Detached
Style
2-Storey
Living space
1500-2000 sq ftas stated on the listing
Parking
4 spacesYes garage
Basement
Full, Unfinished
Features & systems
Parking & garage
Garage
Yes
Parking spaces
4
Interior
Basement
Full · Unfinished
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
2-Storey
Property class
Detached
621 Masson 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® E14083166$829,900
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 621 Masson St Compares to the Oshawa Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
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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
$4,077
/mo
based on the purchase price of $829,900
$165,980 cash
$663,920 financed
$559,195 total interest
Principal54%$663,920
Interest46%$559,195
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 Oshawa
Other 3–4 bed homes for sale in Oshawa around $830K.
Average days on market28Homes sold in about 28 days on average.
Sale-to-list ratio99.5%On average, homes sold below asking.
Active listings824Homes for sale here right now.
Median vs prior 90 days−1.1%Compared with Apr 18 – Jul 17, 2026: prices down.
Based on 666 sales from Jul 17 – Oct 15, 2026 (538 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
621 Masson St is listed at $829,900 (MLS® E14083166). Summitly updates the price as soon as the MLS® record changes.
Is $829,900 a good price for 621 Masson St?
Summitly rates it Good Deal: the asking price is 3% to 10% below Zara's estimate, an estimate built from recent sales in Oshawa. 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 621 Masson St changed?
No — 621 Masson St is still listed at its original asking price of $829,900.
How many bedrooms and bathrooms does 621 Masson St have?
621 Masson St has 4 bedrooms and 1 bathroom, with about 1,500–2,000 square feet of living space. It is a detached home in Oshawa.
Is 621 Masson St close to transit?
The nearest rapid-transit station is Oshawa GO Station (Lakeshore East GO), about 5.0 km in a straight line. Distances are straight-line, not walking routes; check the transit agency for routes and schedules.
How much would the monthly mortgage be on 621 Masson St?
About $4,077 a month — principal and interest on $829,900 with 20% down ($165,980), 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 621 Masson St compare with other homes in Oshawa?
Its asking price of $829,900 is about 24% above the median sold price in Oshawa over the last 90 days, $667,350, across 666 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 621 Masson St been sold before?
Summitly has no earlier MLS® sale or lease of 621 Masson St on record from the last two years. Older records aren't shown under TRREB rules.
Where is 621 Masson St?
621 Masson St is in Oshawa, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 621 Masson St been on the market?
621 Masson St was listed today (October 15, 2026).
What is the price per square foot of 621 Masson St?
About $415 to $553 per square foot: the asking price of $829,900 over the 1,500–2,000 sq ft the listing gives as its size range.
Does 621 Masson St have parking or a garage?
Yes — the listing gives 4 parking spaces. Garage: Yes.
