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310-3100 Steeles Ave W, Vaughan, ON, L4K 3R1
1-333-345-6868info@summitly.ca

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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 18 daysPrice drop · $17,000 off (-4.5%)

    Unit 511 — 55 William Street E

    O'Neill·Oshawa, ON·L1G 7C9·Near Richmond St E / Mary St N

    • 2 beds
    Oshawa real estate›E13208750
    • 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
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      Time TBD
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      Date TBD
      Time TBD
    • Open house
      Date TBD
      Time TBD
    Overview

    What this listing tells us

    Property description

    Boasting over 1,000 square feet of beautifully maintained, carpet-free living space, this bright and spacious 2-bedroom, 2-bathroom condo features pristine hardwood and ceramic flooring throughout. The unit offers a kitchen equipped with updated appliances and a ceramic backsplash, and a massive combined living and dining area that is perfect for entertaining. Along with an ample secondary bedroom and a tastefully updated main bath, the home offers a generous principal bedroom complete with a private ensuite. Additional features include a 5' x 5' in-unit storage room and two separate walkouts to a massive covered balcony that extends your living space outdoors. Situated in a meticulously cared-for building, residents also enjoy access to many amenities, including an indoor pool, secure underground parking, an exercise room, a library, a workshop, a billiards room, a party room, and a beautifully landscaped courtyard.

    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 14, 2026Price reducedCurrentReduced$357,900−$17,000 (4.5%)E13208750This page
    May 28, 2026ListedCurrentFor sale$374,900 —E13208750This 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

      2
      Heating
      Heat Pump
      Air conditioning
      Other
    Location & lifestyle

    Getting around, schools & the block

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

    📍 Unit 511 — 55 William Street E
    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
    $1,758
    20% down · 25y · 5.50% — adjust below ↓
    Est. monthly property tax
    $238
    0.80% 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
      $720,430
      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
      516
      MLS® transactions
    Full Oshawa market report
    Buy with Coldwell Banker Summit Realty

    We'll get you into Unit 511 — 55 William Street E — 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 Unit 511 — 55 William Street E 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 Unit 511 — 55 William Street E listed for?

      Unit 511 — 55 William Street E is listed at $357,900 on the MLS® (listing E13208750). The price refreshes on Summitly within minutes of any MLS® change.

    • How many bedrooms, bathrooms, and square feet does Unit 511 — 55 William Street E 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. 2 baths
  2. 1000-1199 sqft
  3. Condo Apartment
  4. Built 31-50
  5. Asking
    $357,900
    $0 / sqft · MLS® E13208750
    Chat Zara
  6. Zara AI Estimate
    Live · refreshes nightly
    Estimated value
    $525,914
    $483,841Confidence range$567,987
    Asking vs estimate
    ↓below
    −$168,014
    (-31.9%)
    Asking is below estimate
    Run the affordability numbers

    Based on the city's average sold price, adjusted for 2 bedrooms (no sqft on file).

    Market analytics

    Homes like this in Oshawa sell in about 23 days — this one has been listed 18 days.

    Avg sold price
    $720,430
    Median sold
    $675,000
    Avg days on market
    23
    Recently sold
    516
    See comparable sales
    Boasting over 1,000 square feet of beautifully maintained, carpet-free living space, this bright and spacious 2-bedroom, 2-bathroom condo features pristine hardwood and ceramic flooring throughout.
  7. The unit offers a kitchen equipped with updated appliances and a ceramic backsplash, and a massive combined living and dining area that is perfect for entertaining.
  8. Along with an ample secondary bedroom and a tastefully updated main bath, the home offers a generous principal bedroom complete with a private ensuite.
  9. Additional features include a 5' x 5' in-unit storage room and two separate walkouts to a massive covered balcony that extends your living space outdoors.
  10. Ask Zara a follow-up

    Parking & garage

    3
    Garage
    Underground
    Garage spaces
    1
    Parking spaces
    1
  11. Interior

    6
    Basement
    None
    Family room
    N
    Kitchens
    1
    Total rooms
    5
    Laundry level
    Main Level
    Accessibility
    N
  12. Exterior & construction

    5
    Exterior
    Concrete
    Roof
    Flat
    Foundation
    Concrete
    Patio
    Open
    Balcony
    Open
  13. Lot & land

    2
    Year built
    31-50
    Zoning
    SC35
  14. Listing & possession

    3
    Occupancy
    30 days/ TBA
    Property style
    Apartment
    Property class
    Condo Apartment
  15. Room-by-room · 5 rooms

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

    Room dimensions

    Main level

    5 rooms
    • Kitchen
      ceramic floor · backsplash
      12.0 × 7.0 ft
    • Living Room
      hardwood floor · w/o to balcony
      11.4 × 17.4 ft
    • Dining Room
      Hardwood Floor
      17.4 × 7.7 ft
    • Primary Bedroom
      hardwood floor · 2 pc ensuite · w/o to balcony
      14.2 × 10.4 ft
    • Bedroom
      Hardwood Floor
      12.0 × 8.5 ft

    Condo corporation & monthly fees

    Maintenance fee, what's included, locker, exposure, amenities, and condo corp details.

    Monthly maintenance
    Condo corp fees
    $854
    per month
    Maintenance fee includes
    • Water
    • Cable
    • Parking
    Building details
    • Unit11
    • Storeys (building)5
    • ExposureNorth
    • LockerEnsuite+Owned
    • Pet policyYes-with Restrictions
    • Ensuite laundryY
    • Condo corpDCC
    • Corp #56
    • Property managerEastway Property Management
    Building amenities
    • Elevator
    • Exercise Room
    • Game Room
    • Indoor Pool
    • Party Room/Meeting Room
    Combined estimate
    $1,996
    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
    $1,758
    /mo
    based on the purchase price of $357,900
    $71,580 cash
    $286,320 financed
    $241,157 total interest
    Monthly payment$1,758/ month
    Principal54%$286,320
    Interest46%$241,157

    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 and condo fees.

    Comparable condo apartments that just sold in Oshawa

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

    • 2550 Simcoe Street
      Sold
      Sign in for price
      2550 Simcoe Street
      Condo Apartment
    • 2545 Simcoe Street
      Sold
      Sign in for price
      2545 Simcoe Street
      Condo Apartment
    • 2545 Simcoe Street
      Sold
      Sign in for price
      2545 Simcoe Street
      Condo Apartment
    • 2545 Simcoe Street
      Sold
      Sign in for price
      2545 Simcoe Street
      Condo Apartment
    • 2550 Simcoe Street
      Sold
      Sign in for price
      2550 Simcoe Street
      Condo Apartment
    • 936 Glen Street
      Sold
      Sign in for price
      936 Glen Street
      Condo Apartment
    AddressBd / BaSqftSold$/sqft% of askSold
    Unit 511 — 55 William Street EThis home2 / 210,001,199$357,900ask———
    2550 Simcoe Street1 / 1500—
    2545 Simcoe Street1 / 1500—
    Sold prices are hidden under TRREB rules. Sign in to reveal them.

    More condo apartments in Oshawa

    Active listings within ±20% of this asking price.

    • 2550 Simcoe Street
      $375,000
      2550 Simcoe Street
      Condo Apartment 1 1
    • 2550 Simcoe Street
      $400,000
      2550 Simcoe Street
      Condo Apartment 2 2
    • 2550 Simcoe Street
      $374,900
      2550 Simcoe Street
      Condo Apartment 1 1
    • 2550 Simcoe Street
      $395,000
      2550 Simcoe Street
      Condo Apartment 1 1
    • 2550 Simcoe Street
      $400,000
      2550 Simcoe Street
      Condo Apartment 2 2
    • 2550 Simcoe Street
      $399,000
      2550 Simcoe Street
      Condo Apartment 1 1
    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.

  16. One team, no handoffs

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

  17. Showings on YOUR schedule

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

  18. Mortgage that closes

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

  19. Public listing courtesy of RE/MAX Jazz INC. · displayed on Summitly per MLS® data-share rules

    Unit 511 — 55 William Street E is a 2-bedroom, 2-bath, 1000-1199 sqft. Full room dimensions and floor breakdown are in the 'Rooms' section of this page.

  20. When was Unit 511 — 55 William Street E built?

    Unit 511 — 55 William Street E was built in 31-50. Construction style, foundation, roof material, and EnerGuide rating (when published) are in the 'Features' section above.

  21. What is the property tax for Unit 511 — 55 William Street E?

    The 'Property tax' tab in the History section shows the most recent annual tax for Unit 511 — 55 William Street E plus a 5-year breakdown with YoY % change. Monthly equivalent is shown alongside.

  22. How much would the monthly mortgage be on Unit 511 — 55 William Street E?

    The affordability calculator on this page shows an estimated monthly mortgage for $357,900 at 20% down, 25-year amortization, and 5.5% rate. Adjust the sliders to model your own down payment and rate.

  23. Has Unit 511 — 55 William Street E been sold before?

    The 'Listing history' tab above lists every previous MLS® listing of Unit 511 — 55 William Street E with its list date, sold price (when sold), and final status. Each row is colour-coded with price-change arrows.

  24. What neighbourhood is Unit 511 — 55 William Street E in?

    Unit 511 — 55 William Street E is in O'Neill, Oshawa. The 'Neighbourhood' section below links to the live Oshawa real estate hub with average sold price, days on market, and current inventory.

  25. 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.

  26. 2545 Simcoe Street
    1 / 1
    —
    —
    2545 Simcoe Street1 / 1500—
    2550 Simcoe Street3 / 2800—
    936 Glen Street2 / 1800—