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310-3100 Steeles Ave W, Vaughan, ON, L4K 3R1
905-553-8500info@summitly.ca

©2026 Summitly. All rights reserved. Coldwell Banker Summit Realty, Brokerage.

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Listing data is provided by the Toronto Regional Real Estate Board (TRREB) via PropTx and is deemed reliable but not guaranteed. Coldwell Banker Summit Realty, Brokerage — an independently owned and operated Coldwell Banker franchise.

REALTOR® Disclosure▾

For listings in Canada, 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 trademarks MLS®, Multiple Listing Service® and the associated logos are owned by CREA and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.

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    For sale On market 97 daysIncreased +$37,000

    128 Summer Street

    Central·Oshawa, ON·L1H 2K9·Near Olive Ave & Court St

    • 5 beds
    Oshawa real estate›E11946714
    • Overview
    • History
    • Details
    • Location
    • Mortgage
    • Investment
    • Comparables
    • FAQ
    Open house & tour

    3 upcoming open houses

    Drop in during an open house, or tour online — no appointment needed.

    • Open house
      Date TBD
      Time TBD
    • Open house
      Date TBD
      Time TBD
    • Open house
      Date TBD
      Time TBD
    Overview

    What this listing tells us

    Property description

    Discover An Exceptional Opportunity With This Premium Triplex At 128 Summer St. This Versatile Property Features 3 Self-Contained Units Each With A Private Entrance For Ultimate Privacy And Flexibility. The Basement Level Offers A Comfortable 1-Bedroom Suite With A 3-Piece Bathroom, A Cozy Family Room And A Private Kitchen, And A Separate/Private Thermostat Control. Flooring Was Upgraded In 2018. New Egress Window Installed In 2018. New Utility Room Sump Pump Installed 2024. The Main Level Impresses With 2 Large Bedrooms, A Spacious Living Room, A 4-Piece Bathroom And Its Own Full Kitchen, And A Separate/Private Thermostat Control. Flooring Was Upgraded In 2018. The Expansive Second Floor Boasts 3 Bedrooms, A 4-Piece Bathroom, A Generous Sized TV Room, A Private Kitchen, A Deck Overlooking The Backyard, And Its Own Ensuite Washing Machine And Dryer. This Level Also Enjoys Its Own Separate Thermostat. Flooring Was Upgraded In 2024, New Deck Posts & Stairs In 2024. To Make This An Ideal Home And/Or Investment Property, Additional Upgrades Include - A Brand New Boiler System In 2022 - All Windows On The Property Were Installed Either 2018 Or 2024 - The Driveway Was Re-Paved In 2023. Whether You Choose To Live In One Unit While Renting The Others, Accommodate A Multigenerational Family, Or Capitalize On A High-Income Investment, This Property In The Heart Of Oshawa Is A Rare Find.

    Cleaned for readability — original MLS® text was lightly de-abbreviated and decapitalized.

    AI highlights by Zara
    History

    Listing, price, and tax history

    Every previous listing of this property, every list-price change, and 5 years of estimated annual property tax — switch tabs to drill in.

    DateEventStatusPriceChangeMLS®View
    Jun 24, 2026Price increasedCurrentIncreased$636,000+$37,000 (6.2%)E11946714This page
    Jun 15, 2026Previously listedNew$1,950 —E13449596View
    Sep 4, 2025SoldSold$1,850+$50 (2.8%)E12324467View
    Aug 29, 2025SoldSold$2,150−$250 (10.4%)E12360948View
    Aug 23, 2025Previously listedLsd$2,400 —E12360948View
    Aug 5, 2025Previously listedLsd$1,800 —E12324467View
    Jun 18, 2025Previously listedTer$2,600 —E12228702View
    Jun 11, 2025Previously listedTer$2,400 —E12213836View
    May 28, 2025Previously listedTer$3,000 —E12178564View
    Jan 28, 2025ListedCurrentFor sale$599,000 —E11946714This page
    Sourced from MLS® · includes all previous listings of this property · tap View to open the archived listing in a new tab
    Property details

    Inside this property

    Systems, finishes, room dimensions, and building information — pulled from the full MLS® feed.

    Features & systems

    Heating, cooling, parking, exterior, lot, possession, and more.

    • Systems

      4
      Heating
      Radiant
      Air conditioning
      None
      Water source
      Municipal
      Sewer
    Location & lifestyle

    Getting around, schools & the block

    Walkability and transit, the nearest schools, an interactive map of the exact spot, and what's nearby.

    📍 128 Summer Street
    What's nearby

    Points of interest classified by the MLS® feed.

    • Park
    • Library
    • Place Of Worship
    • Public Transit
    Financials

    The money — monthly cost, mortgage & return

    Everything financial in one place: what you'd pay each month, a live mortgage calculator at the asking price, and what it could return as a rental.

    Cost of ownership

    A monthly snapshot at typical assumptions — personalize the mortgage just below.

    Est. monthly mortgage
    $3,124
    20% down · 25y · 5.50% — adjust below ↓
    Est. monthly property tax
    $370
    0.70% mill rate · ON
    The market

    How this home sits in the Oshawa market

    Live neighbourhood stats, the closed sales you'd negotiate against, and comparable active listings.

    The Oshawa market right now

    Average sold price, days on market, and closed-transaction count for Oshawa — sourced from MLS®.

    • Avg sold price
      $725,661
      Last 30 days
    • Median sold price
      $675,000
      Middle of the market
    • Days on market
      23 d
      Avg from list to close
    • Closed last 30d
      512
      MLS® transactions
    Full Oshawa market report
    Buy with Coldwell Banker Summit Realty

    We'll get you into 128 Summer Street — the seller pays our commission

    On every MLS® listing in Canada, the seller's brokerage pays a cooperating commission to whoever brings the buyer. Buyer representation is free to you.

    Free buyer representation · Coldwell Banker® affiliate

    $0 to you. The seller pays our fee.

    On every MLS® listing in Canada, the seller's brokerage advertises a cooperating commission for the buyer's agent. A Coldwell Banker Summit Realty agent represents you — you owe us nothing.

    Call now
    Due diligence

    Property flags & disclosures

    An automated scan of public records and news for anything a buyer should know about this specific address — liens, outstanding work orders, or stigma-related history. We never invent flags.

    Nothing concerning surfaced — all clear.

    We scanned public records and news for liens, outstanding work orders, and stigma-related history (e.g. a former grow-op or fire) at 128 Summer Street and found nothing flagged. We re-check automatically as new records publish.

    Frequently asked

    Common questions about this property

    Tap a question to expand the answer. Short, direct answers tuned for AI search and voice assistants.

    • How much is 128 Summer Street listed for?

      128 Summer Street is listed at $636,000 on the MLS® (listing E11946714). The price refreshes on Summitly within minutes of any MLS® change.

    • How many bedrooms, bathrooms, and square feet does 128 Summer Street have?

    Coldwell Banker Summit Realty is a RECO-licensed Ontario real estate brokerage, independently owned and operated. Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Listing data is sourced from MLS® and is provided for informational purposes only — not guaranteed accurate by the MLS® or its members. 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.

  1. 3 baths
  2. 1500-2000 sqft
  3. Detached
  4. Asking
    $636,000
    $0 / sqft · MLS® E11946714
    Chat Zara
  5. Zara AI Estimate
    Live · refreshes nightly
    Estimated value
    $986,899
    $907,947Confidence range$1,065,851
    Asking vs estimate
    ↓below
    −$350,899
    (-35.6%)
    Asking is below estimate
    Run the affordability numbers

    Based on the city's average sold price, adjusted for 5 bedrooms (no sqft on file).

    Market analytics

    Homes like this in Oshawa sell in about 23 days — this one has been listed 97 days.

    Avg sold price
    $725,661
    Median sold
    $675,000
    Avg days on market
    23
    Recently sold
    512
    See comparable sales
    • The Basement Level Offers A Comfortable 1-Bedroom Suite With A 3-Piece Bathroom, A Cozy Family Room And A Private Kitchen, And A Separate/Private Thermostat Control.
    • The Main Level Impresses With 2 Large Bedrooms, A Spacious Living Room, A 4-Piece Bathroom And Its Own Full Kitchen, And A Separate/Private Thermostat Control.
    • The Expansive Second Floor Boasts 3 Bedrooms, A 4-Piece Bathroom, A Generous Sized TV Room, A Private Kitchen, A Deck Overlooking The Backyard, And Its Own Ensuite Washing Machine And Dryer.
    • Flooring Was Upgraded In 2024, New Deck Posts & Stairs In 2024.
    Ask Zara a follow-up
    Sewer
  6. Parking & garage

    4
    Garage
    Detached
    Garage spaces
    1
    Parking spaces
    4
    Driveway
    Private
  7. Interior

    5
    Basement
    Apartment
    Family room
    N
    Kitchens
    2
    Total rooms
    13
    Laundry level
    Main Level
  8. Exterior & construction

    4
    Exterior
    Vinyl Siding
    Roof
    Asphalt Shingle
    Foundation
    Other
    Pool
    None
  9. Listing & possession

    3
    Occupancy
    Immediately
    Property style
    2-Storey
    Property class
    Detached
  10. Room-by-room · 12 rooms

    Every room with its dimensions, level, and notable features.

    Room dimensions

    Main level

    5 rooms
    • Bedroom 2
      11.9 × 12.4 ft
    • Living Room
      10.4 × 12.3 ft
    • Bedroom
      9.4 × 12.9 ft
    • Kitchen
      10.4 × 13.0 ft
    • Laundry
      10.8 × 6.7 ft

    Second level

    5 rooms
    • Bedroom 2
      12.4 × 9.7 ft
    • Kitchen
      8.1 × 10.2 ft
    • Bedroom 3
      7.4 × 7.7 ft
    • Bedroom
      10.9 × 11.4 ft
    • Sitting
      12.0 × 15.8 ft

    Basement level

    2 rooms
    • Kitchen
      11.9 × 9.2 ft
    • Bedroom
      9.6 × 15.2 ft
  11. Hospital
  12. Combined estimate
    $3,494
    Mortgage + tax · before condo / insurance

    Mortgage & affordability

    Today's best Canadian rates from Mortgage Squad, then a live calculator — adjust down payment, amortization, and rate, and email yourself the report.

    Today's rates · Powered by Mortgage Squad
    350+ lender access · Best rate matched in 2 min
    Lock my rate
    • Best
      5-yr Fixed · Insured
      4.09%
      0.40% below banks
    • 5-yr Fixed · Conventional
      4.34%
      APR · OAC
    • 3-yr Fixed · Conventional
      4.49%
      APR · OAC
    • 5-yr Variable · Variable
      4.85%
      APR · OAC
    Rates indicative · Updated today · OAC, subject to underwritingSee all Mortgage Squad rates →
    Affordability calculator
    Estimated monthly payment
    $3,124
    /mo
    based on the purchase price of $636,000
    $127,200 cash
    $508,800 financed
    $428,543 total interest
    Monthly payment$3,124/ month
    Principal54%$508,800
    Interest46%$428,543

    20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.

    Email this mortgage report to yourself

    Save the full affordability breakdown — down payment, monthly, interest paid, and today's Mortgage Squad rate — in your inbox. Create a free Summitly account to save it, get rate-drop alerts, and build a shortlist.

    Create account & email meor send as guest
    Get pre-approved in minutes

    Know exactly what you can afford — a no-obligation pre-approval from Mortgage Squad.

    Get pre-approved

    Rental income & return

    What this home could rent for and the return at the asking price — an AI estimate against real property tax and condo fees.

    Est. monthly rent
    low–high
    Gross yield
    rent × 12 ÷ price
    Cap rate (est.)
    net of tax + fees

    AI estimate for discussion only — not an appraisal or investment advice. Yield and cap rate are derived from the estimated rent versus the asking price and real property tax.

    Comparable detacheds that just sold in Oshawa

    Swipe the closed sales, then use the table for a side-by-side $/sqft comparison against this home.

    • 574 Antigua Crescent
      Sold
      Sign in for price
      574 Antigua Crescent
      Detached
    • 2143 Hallandale Street
      Sold
      Sign in for price
      2143 Hallandale Street
      Detached
    • 1510 Spencely Court
      Sold
      Sign in for price
      1510 Spencely Court
      Detached
    • 570 Blackwood Boulevard
      Sold
      Sign in for price
      570 Blackwood Boulevard
      Detached
    • 820 Simcoe Street
      Sold
      Sign in for price
      820 Simcoe Street
      Detached
    • 325 Maine Street
      Sold
      Sign in for price
      325 Maine Street
      Detached
    AddressBd / BaSqftSold$/sqft% of askSold
    128 Summer StreetThis home5 / 315,002,000$636,000ask———
    574 Antigua Crescent4 / 32,000—
    2143 Hallandale Street5 / 42,500—
    Sold prices are hidden under TRREB rules. Sign in to reveal them.

    More detacheds in Oshawa

    Active listings within ±20% of this asking price.

    • 45 Albany Street
      $574,900
      45 Albany Street
      Detached 5 2
    • 50 Oakdale Drive
      $735,000
      50 Oakdale Drive
      Detached 4 3
    • 584 Arnhem Drive
      $699,000
      584 Arnhem Drive
      Detached 4 4
    • 72 Cadillac Avenue
      $685,000
      72 Cadillac Avenue
      Detached 4 4
    • 174 Harmony Road
      $699,000
      174 Harmony Road
      Detached 4 2
    • 136 Celina Street
      $729,000
      136 Celina Street
      Detached 4 3
    AI-first listing data

    Zara's valuation, full price history, room insights, and live MLS® refresh — all in one feed. No more comparing 4 sites.

  13. One team, no handoffs

    Your realtor, mortgage broker, and offer-night closing team work side-by-side. One conversation, not three.

  14. Showings on YOUR schedule

    Same-day showings for shortlisted homes, evenings + weekends. Your Coldwell Banker Summit Realty agent coordinates with the listing brokerage.

  15. Mortgage that closes

    Pre-approval, rate hold, and 350+ lender access via Mortgage Squad Advisors — no juggling lender chats yourself.

  16. Public listing courtesy of HOUSESIGMA INC. · displayed on Summitly per MLS® data-share rules

    128 Summer Street is a 5-bedroom, 3-bath, 1500-2000 sqft. Full room dimensions and floor breakdown are in the 'Rooms' section of this page.

  17. When was 128 Summer Street built?

    The year built for 128 Summer Street isn't published in this MLS® feed — ask a Summitly realtor for the construction year from the seller's disclosure.

  18. What is the property tax for 128 Summer Street?

    The 'Property tax' tab in the History section shows the most recent annual tax for 128 Summer Street plus a 5-year breakdown with YoY % change. Monthly equivalent is shown alongside.

  19. How much would the monthly mortgage be on 128 Summer Street?

    The affordability calculator on this page shows an estimated monthly mortgage for $636,000 at 20% down, 25-year amortization, and 5.5% rate. Adjust the sliders to model your own down payment and rate.

  20. Has 128 Summer Street been sold before?

    The 'Listing history' tab above lists every previous MLS® listing of 128 Summer Street with its list date, sold price (when sold), and final status. Each row is colour-coded with price-change arrows.

  21. What neighbourhood is 128 Summer Street in?

    128 Summer Street is in Central, Oshawa. The 'Neighbourhood' section below links to the live Oshawa real estate hub with average sold price, days on market, and current inventory.

  22. Is Oshawa a good place to live?

    Oshawa is one of ON's actively-tracked Summitly markets. The full Oshawa real estate hub covers live average sold price, days on market, and neighbourhood-level inventory.

  23. 1510 Spencely Court
    4 / 5
    3,000
    —
    570 Blackwood Boulevard4 / 42,500—
    820 Simcoe Street4 / 31,100—
    325 Maine Street4 / 42,500—