378 Marble Pl is a 3-bedroom, 2-bathroom semi-detached home in Newmarket, listed for $819,999. It has 1100-1500 sq ft of living space.
1Great Sized Bedrooms Including Primary Bedroom With 4-Piece Ensuite Bath & Walk-In Closet.
2The Fully Finished Basement Offers Even More Functional Space, Including A Rough-In For A 4th Bathroom, A Recreation Room Plus A Bonus Space Perfect For A Home Office or Childrens Play Area.
3Other Features Include Updated Shingles, An Updated Furnace, & Direct Garage Access.
Lovely 3 Bedroom/3 Bathroom Semi-Detached Home located In Family-Friendly & Desirable Woodland Hill! Boasting Pride Of Ownership, This Welcoming Home Features Hardwood Floors Throughout, A Bright Eat-In Area, Kitchen With Quartz Countertops & A Cozy Living Room With Gas Fireplace & Walk-Out To A Spacious & Private Backyard Oasis. Great Sized Bedrooms Including Primary Bedroom With 4-Piece Ensuite Bath & Walk-In Closet. The Fully Finished Basement Offers Even More Functional Space, Including A Rough-In For A 4th Bathroom, A Recreation Room Plus A Bonus Space Perfect For A Home Office or Childrens Play Area. Other Features Include Updated Shingles, An Updated Furnace, & Direct Garage Access. Enjoy Living In A Well-Connected Community, Close To Southlake Hospital, Schools, Parks, Major Shopping Centres, Restaurants & So Much More - Move In & Enjoy!
3 bedrooms, 2 bathrooms, about 1,100 sq ft, works out to roughly $745 per square foot. Chat with Zara if you'd like a deeper read on whether this semi-detached fits your budget and timing.
Inside 378 Marble Pl
Every detail from the listing, in one place.
Type
Semi-Detached
Style
2-Storey
Living space
1100-1500 sq ftas stated on the listing
Parking
3 spacesYes garage
Basement
Finished
Features & systems
Parking & garage
Garage
Yes
Parking spaces
3
Interior
Basement
Finished
Lot & land
Lot size (sqft)
0
Listing & possession
Property style
2-Storey
Property class
Semi-Detached
378 Marble Pl Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® N14084444$819,999
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 378 Marble Pl Compares to the Newmarket 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
$4,028
/mo
based on the purchase price of $819,999
$164,000 cash
$655,999 financed
$552,523 total interest
Principal54%$655,999
Interest46%$552,523
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.
For homeowners nearby
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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 Newmarket
Other 3–5 bed homes for sale in Newmarket around $820K.
Average days on market28Homes sold in about 28 days on average.
Sale-to-list ratio98.1%On average, homes sold below asking.
Active listings390Homes for sale here right now.
Median vs prior 90 days+0.3%Compared with Apr 20 – Jul 19, 2026: prices up.
Based on 397 sales from Jul 19 – Oct 17, 2026 (238 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
378 Marble Pl is listed at $819,999 (MLS® N14084444). Summitly updates the price as soon as the MLS® record changes.
Is $819,999 a good price for 378 Marble Pl?
Summitly rates it Well Above Market: the asking price is 15% or more above Zara's estimate, an estimate built from recent sales in Newmarket. 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 378 Marble Pl changed?
No — 378 Marble Pl is still listed at its original asking price of $819,999.
How many bedrooms and bathrooms does 378 Marble Pl have?
378 Marble Pl has 3 bedrooms and 2 bathrooms, with about 1,100–1,500 square feet of living space. It is a semi-detached home in Newmarket.
Is 378 Marble Pl close to transit?
The nearest rapid-transit station is Newmarket GO Station (Barrie GO), about 2.3 km in a straight line. East Gwillimbury GO Station is about 2.9 km. Distances are straight-line, not walking routes; check the transit agency for routes and schedules.
How much would the monthly mortgage be on 378 Marble Pl?
About $4,028 a month — principal and interest on $819,999 with 20% down ($164,000), 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 378 Marble Pl?
Yes — Saturday, October 17, 2:30 PM – 4:00 PM; Sunday, October 18, 2:30 PM – 4:00 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 378 Marble Pl compare with other homes in Newmarket?
Its asking price of $819,999 is about 13% below the median sold price in Newmarket over the last 90 days, $945,000, across 397 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 378 Marble Pl been sold before?
Summitly has no earlier MLS® sale or lease of 378 Marble Pl on record from the last two years. Older records aren't shown under TRREB rules.
Where is 378 Marble Pl?
378 Marble Pl is in Newmarket, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 378 Marble Pl been on the market?
2 days — 378 Marble Pl was listed on October 15, 2026.
What is the price per square foot of 378 Marble Pl?
About $547 to $745 per square foot: the asking price of $819,999 over the 1,100–1,500 sq ft the listing gives as its size range.
