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Coldwell Banker Summit Realty

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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 13 days

    Unit B — 428 Sunnyside Avenue

    Old Ottawa South·Ottawa, ON·K1S 0S7·Near Seneca Avenue and Sunnyside Avenue

    • 3 beds
    Ottawa real estate›X13429422
    • 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 this spacious and beautifully appointed second-floor residence in the heart of highly sought-after Old Ottawa South. Offering over 1,600 square feet of living space, this exceptional three-bedroom, two-bathroom unit combines modern finishes, generous room sizes, and an unbeatable location just steps from some of Ottawa's most desirable amenities.The thoughtfully designed floor plan features a bright and airy open-concept living and dining area, creating an inviting space for both everyday living and entertaining. The modern kitchen is equipped with quality appliances, quartz countertops, ample cabinetry, and convenient in-unit laundry. Large windows throughout the home fill the space with natural light, enhancing the warm and welcoming atmosphere.The spacious primary suite offers a walk-in closet and private ensuite bathroom, while two additional bedrooms provide flexibility for family, guests, or a home office. A private balcony extends the living space outdoors, offering the perfect spot to enjoy your morning coffee or unwind at the end of the day.Situated in one of Ottawa's most established and vibrant neighbourhoods, this home is just steps from Bank Street's popular shops, cafés, restaurants, and everyday conveniences. Enjoy easy access to Brewer Park, the Rideau Canal pathways, Hopewell Avenue Public School, Carleton University, and public transit. The Ottawa Hospital's Civic and General Campuses, as well as CHEO, are all within easy reach, making this an ideal location for professionals, academics, and families alike.Combining generous living space, modern comforts, and an exceptional walkable location, this is a rare opportunity to enjoy the very best of urban living in the heart of Old Ottawa South. Outdoor parking spot included

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

    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 10, 2026ListedCurrentFor sale$3,500 —X13429422This 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.

    📍 Unit B — 428 Sunnyside Avenue
    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
    $17
    20% down · 25y · 5.50% — adjust below ↓
    Est. monthly property tax
    $2
    0.66% mill rate · ON
    The market

    How this home sits in the Ottawa market

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

    The Ottawa market right now

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

    • Avg sold price
      $728,310
      Last 30 days
    • Median sold price
      $651,251
      Middle of the market
    • Days on market
      29 d
      Avg from list to close
    • Closed last 30d
      3,023
      MLS® transactions
    Full Ottawa market report
    Buy with Coldwell Banker Summit Realty

    We'll get you into Unit B — 428 Sunnyside 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 Unit B — 428 Sunnyside 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 Unit B — 428 Sunnyside Avenue listed for?

      Unit B — 428 Sunnyside Avenue is listed at $3,500 on the MLS® (listing X13429422). The price refreshes on Summitly within minutes of any MLS® change.

    • How many bedrooms, bathrooms, and square feet does Unit B — 428 Sunnyside 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. 2 baths
  2. 1500-2000 sqft
  3. Triplex
  4. Built 6-15
  5. Asking
    $3,500
    $0 / sqft · MLS® X13429422
    Chat Zara
  6. Zara AI Estimate
    Live · refreshes nightly
    Estimated value
    $728,310
    $670,045Confidence range$786,575
    Asking vs estimate
    ↓below
    −$724,810
    (-99.5%)
    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 Ottawa sell in about 29 days — this one has been listed 13 days.

    Avg sold price
    $728,310
    Median sold
    $651,251
    Avg days on market
    29
    Recently sold
    3023
    See comparable sales
    AI highlights by Zara
    • Welcome to this spacious and beautifully appointed second-floor residence in the heart of highly sought-after Old Ottawa South.
    • The modern kitchen is equipped with quality appliances, quartz countertops, ample cabinetry, and convenient in-unit laundry.
    • Enjoy easy access to Brewer Park, the Rideau Canal pathways, Hopewell Avenue Public School, Carleton University, and public transit.
    • Outdoor parking spot included
    Ask Zara a follow-up
    Sewer
  7. Parking & garage

    3
    Garage
    None
    Parking spaces
    1
    Driveway
    1
  8. Interior

    6
    Basement
    None
    Family room
    Y
    Kitchens
    1
    Total rooms
    6
    Furnished
    Unfurnished
    Elevator
    N
  9. Exterior & construction

    4
    Exterior
    Brick, Stone
    Roof
    Flat
    Foundation
    Poured Concrete
    Pool
    None
  10. Lot & land

    1
    Year built
    6-15
  11. Listing & possession

    3
    Possession
    2026-08-01T00:00:00.000-00:00
    Property style
    1 Storey/Apt
    Property class
    Triplex
  12. Room-by-room · 6 rooms

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

    Room dimensions

    Main level

    6 rooms
    • Bedroom
      11.8 × 10.5 ft
    • Dining Room
      16.0 × 10.0 ft
    • Kitchen
      15.5 × 9.0 ft
    • Living Room
      21.2 × 12.1 ft
    • Bedroom
      11.2 × 11.0 ft
    • Primary Bedroom
      15.8 × 11.6 ft
    Combined estimate
    $19
    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
    $17
    /mo
    based on the purchase price of $3,500
    $700 cash
    $2,800 financed
    $2,358 total interest
    Monthly payment$17/ month
    Principal54%$2,800
    Interest46%$2,358

    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.

    Comparable triplexs that just sold in Ottawa

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

    • 154 Columbus Avenue
      Sold
      Sign in for price
      154 Columbus Avenue
      Triplex
    • 1702 Russell Road
      Sold
      Sign in for price
      1702 Russell Road
      Triplex
    • 2481 Chasseur Avenue
      Sold
      Sign in for price
      2481 Chasseur Avenue
      Triplex
    • 12 Woodlawn Avenue
      Sold
      Sign in for price
      12 Woodlawn Avenue
      Triplex
    • 58-60 Louisa Street
      Sold
      Sign in for price
      58-60 Louisa Street
      Triplex
    • 169 Holmwood Avenue
      Sold
      Sign in for price
      169 Holmwood Avenue
      Triplex
    AddressBd / BaSqftSold$/sqft% of askSold
    Unit B — 428 Sunnyside AvenueThis home3 / 215,002,000$3,500ask———
    154 Columbus Avenue4 / 32,000—
    1702 Russell Road8 / 32,500—
    Sold prices are hidden under TRREB rules. Sign in to reveal them.
    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 MARILYN WILSON DREAM PROPERTIES INC. · displayed on Summitly per MLS® data-share rules

    Unit B — 428 Sunnyside Avenue is a 3-bedroom, 2-bath, 1500-2000 sqft. Full room dimensions and floor breakdown are in the 'Rooms' section of this page.

  17. When was Unit B — 428 Sunnyside Avenue built?

    Unit B — 428 Sunnyside Avenue was built in 6-15. Construction style, foundation, roof material, and EnerGuide rating (when published) are in the 'Features' section above.

  18. What is the property tax for Unit B — 428 Sunnyside Avenue?

    The 'Property tax' tab in the History section shows the most recent annual tax for Unit B — 428 Sunnyside Avenue plus a 5-year breakdown with YoY % change. Monthly equivalent is shown alongside.

  19. How much would the monthly mortgage be on Unit B — 428 Sunnyside Avenue?

    The affordability calculator on this page shows an estimated monthly mortgage for $3,500 at 20% down, 25-year amortization, and 5.5% rate. Adjust the sliders to model your own down payment and rate.

  20. Has Unit B — 428 Sunnyside Avenue been sold before?

    The 'Listing history' tab above lists every previous MLS® listing of Unit B — 428 Sunnyside Avenue with its list date, sold price (when sold), and final status. Each row is colour-coded with price-change arrows.

  21. What neighbourhood is Unit B — 428 Sunnyside Avenue in?

    Unit B — 428 Sunnyside Avenue is in Old Ottawa South, Ottawa. The 'Neighbourhood' section below links to the live Ottawa real estate hub with average sold price, days on market, and current inventory.

  22. Is Ottawa a good place to live?

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

  23. 2481 Chasseur Avenue
    6 / 3
    1,500
    —
    12 Woodlawn Avenue5 / 43,000—
    58-60 Louisa Street3 / 31,500—
    169 Holmwood Avenue7 / 42,500—