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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 11 days

    520 Cromwell Avenue

    Vanier·Oshawa, ON·L1J 4V4·Near Park Rd S & Hillside Ave

    • 3 beds
    Oshawa real estate›E13518732
    • 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

    Welcome to 520 Cromwell Ave, a beautifully maintained Fully detached Home offering comfort and convenience. Conveniently located close to schools, parks, shopping and transit areas, and a huge lot. High end laminate floor throughout. 1 Bedroom basement apartment. Huge backyard, large outdoor shed, updated kitchen, updated bathroom. Quiet street. Both basement and main floor are already rented out and great opportunity for generating immediate rental income. You can either fully rent out the 2 units and generate income to cover your mortgage, Or live in the main and second floor and rent out the basement to help with mortgage payment. Ideal for Investors, first time buyers and families.

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

    AI highlights by Zara
    • Conveniently located close to schools, parks, shopping and transit areas, and a huge lot.
    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
    Jul 3, 2026ListedCurrentFor sale$579,900 —E13518732This 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
      Forced Air
      Air conditioning
      Central Air
      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.

    📍 520 Cromwell Avenue
    What's nearby

    Points of interest classified by the MLS® feed.

    • Park
    • 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
    $2,849
    20% down · 25y · 5.50% — adjust below ↓
    Est. monthly property tax
    $422
    0.87% 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
      $711,640
      Last 30 days
    • Median sold price
      $671,000
      Middle of the market
    • Days on market
      25 d
      Avg from list to close
    • Closed last 30d
      518
      MLS® transactions
    Full Oshawa market report
    Buy with Coldwell Banker Summit Realty

    We'll get you into 520 Cromwell Avenue — 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 520 Cromwell Avenue 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 520 Cromwell Avenue listed for?

      520 Cromwell Avenue is listed at $579,900 on the MLS® (listing E13518732). The price refreshes on Summitly within minutes of any MLS® change.

    • How many bedrooms, bathrooms, and square feet does 520 Cromwell Avenue 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. 1100-1500 sqft
  3. Detached
  4. Asking
    $579,900
    $0 / sqft · MLS® E13518732
    Chat Zara
  5. Zara AI Estimate
    Live · refreshes nightly
    Estimated value
    $711,640
    $654,709Confidence range$768,571
    Asking vs estimate
    ↓below
    −$131,740
    (-18.5%)
    Asking is below estimate
    Run the affordability numbers

    Based on the city's average sold price, adjusted for 3 bedrooms (no sqft on file).

    Market analytics

    Homes like this in Oshawa sell in about 25 days — this one has been listed 11 days.

    Avg sold price
    $711,640
    Median sold
    $671,000
    Avg days on market
    25
    Recently sold
    518
    See comparable sales
    High end laminate floor throughout. 1 Bedroom basement apartment.
  6. Huge backyard, large outdoor shed, updated kitchen, updated bathroom.
  7. Both basement and main floor are already rented out and great opportunity for generating immediate rental income.
  8. Ask Zara a follow-up
    Sewer
  9. Parking & garage

    3
    Garage
    None
    Parking spaces
    4
    Driveway
    Private
  10. Interior

    4
    Basement
    Separate Entrance, Finished
    Family room
    N
    Kitchens
    1
    Total rooms
    6
  11. Exterior & construction

    4
    Exterior
    Brick
    Roof
    Shingles
    Foundation
    Brick
    Pool
    None
  12. Lot & land

    1
    Zoning
    R1-C
  13. Listing & possession

    3
    Occupancy
    TBD
    Property style
    1 1/2 Storey
    Property class
    Detached
  14. Room-by-room · 6 rooms

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

    Room dimensions

    Main level

    3 rooms
    • Kitchen
      b/i dishwasher · large window
      17.0 × 9.0 ft
    • Dining Room
      Laminate
      9.0 × 8.3 ft
    • Living Room
      Laminate
      17.6 × 13.8 ft

    Second level

    3 rooms
    • Bedroom 2
      12.7 × 9.7 ft
    • Primary Bedroom
      12.6 × 12.5 ft
    • Bedroom 3
      12.3 × 11.4 ft
    Combined estimate
    $3,271
    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
    $2,849
    /mo
    based on the purchase price of $579,900
    $115,980 cash
    $463,920 financed
    $390,742 total interest
    Monthly payment$2,849/ month
    Principal54%$463,920
    Interest46%$390,742

    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.

    • 68 Grenfell Street
      Sold
      Sign in for price
      68 Grenfell Street
      Detached
    • 2363 Winlord Place
      Sold
      Sign in for price
      2363 Winlord Place
      Detached
    • 56 Gladstone Avenue
      Sold
      Sign in for price
      56 Gladstone Avenue
      Detached
    • 238 Toronto Avenue
      Sold
      Sign in for price
      238 Toronto Avenue
      Detached
    • 522 Rosmere Street
      Sold
      Sign in for price
      522 Rosmere Street
      Detached
    • 413 Elizabeth Street
      Sold
      Sign in for price
      413 Elizabeth Street
      Detached
    AddressBd / BaSqftSold$/sqft% of askSold
    520 Cromwell AvenueThis home3 / 311,001,500$579,900ask———
    68 Grenfell Street2 / 2700—
    2363 Winlord Place3 / 41,500—
    Sold prices are hidden under TRREB rules. Sign in to reveal them.

    More detacheds in Oshawa

    Active listings within ±20% of this asking price.

    • 424 Chaleur Avenue
      $649,000
      424 Chaleur Avenue
      Detached 3 3
    • 583 Pinewood Street
      $649,000
      583 Pinewood Street
      Detached 3 2
    • 340 French Street
      $599,900
      340 French Street
      Detached 3 1
    • 297 Linden Street
      $575,000
      297 Linden Street
      Detached 3 2
    • 81 Wellington Avenue
      $670,000
      81 Wellington Avenue
      Detached 3 2
    • 111 Oshawa Boulevard
      $540,000
      111 Oshawa Boulevard
      Detached 3 2
    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.

  15. One team, no handoffs

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

  16. Showings on YOUR schedule

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

  17. Mortgage that closes

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

  18. Public listing courtesy of REMAX YOUR COMMUNITY REALTY · displayed on Summitly per MLS® data-share rules

    520 Cromwell Avenue is a 3-bedroom, 3-bath, 1100-1500 sqft. Full room dimensions and floor breakdown are in the 'Rooms' section of this page.

  19. When was 520 Cromwell Avenue built?

    The year built for 520 Cromwell Avenue isn't published in this MLS® feed — ask a Summitly realtor for the construction year from the seller's disclosure.

  20. What is the property tax for 520 Cromwell Avenue?

    The 'Property tax' tab in the History section shows the most recent annual tax for 520 Cromwell Avenue plus a 5-year breakdown with YoY % change. Monthly equivalent is shown alongside.

  21. How much would the monthly mortgage be on 520 Cromwell Avenue?

    The affordability calculator on this page shows an estimated monthly mortgage for $579,900 at 20% down, 25-year amortization, and 5.5% rate. Adjust the sliders to model your own down payment and rate.

  22. Has 520 Cromwell Avenue been sold before?

    The 'Listing history' tab above lists every previous MLS® listing of 520 Cromwell Avenue with its list date, sold price (when sold), and final status. Each row is colour-coded with price-change arrows.

  23. What neighbourhood is 520 Cromwell Avenue in?

    520 Cromwell Avenue is in Vanier, Oshawa. The 'Neighbourhood' section below links to the live Oshawa real estate hub with average sold price, days on market, and current inventory.

  24. 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.

  25. 56 Gladstone Avenue
    2 / 1
    700
    —
    238 Toronto Avenue3 / 3700—
    522 Rosmere Street2 / 2700—
    413 Elizabeth Street3 / 2700—