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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 7 days

    505 King Street

    Downtown Whitby·Whitby, ON·L1N 4Z7·Near Brock St S & Burns St W

    • 4 beds
    Whitby real estate›E13519274
    • 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

    Amazing location! This exceptional custom home with over 5,000 sq ft of total living space features 4+1 bedrooms, 4 bathrooms, a finished in-law suite, and a detached 2-storey carriage house offering incredible flexibility. The natural stone exterior, cedar shake siding and roof, professionally landscaped grounds, stone walls, and gated entrance create outstanding curb appeal. Enjoy a private backyard oasis complete with irrigation, landscape lighting, a tranquil fountain, and a wood-burning outdoor fireplace. Inside, soaring and tray ceilings, crown moulding, custom wood paneling, solid wood doors, wood-framed windows, designer lighting, hardwood flooring, and a striking herringbone-tiled foyer showcase exceptional craftsmanship. The chef's kitchen features premium Sub-Zero, Wolf, and Cove appliances, marble countertops and backsplash, custom solid wood cabinetry with illuminated glass display cabinets, a large centre island, and a butler's pantry. French doors from the breakfast area open to the beautifully landscaped backyard. The living room features a wood-burning fireplace, while the dining room is perfect for entertaining. The luxurious primary suite offers designer lighting, a spa-inspired ensuite and large walk-in closet. An upper-level fitness room with a built-in sauna creates a private wellness retreat. The lower level includes an in-law suite with a bathroom, kitchenette, laundry, slate flooring and a wood-burning fireplace. The heated and air-conditioned carriage house features vaulted ceilings, a wood-burning fireplace, Saltillo tile, hardwood flooring, and custom wood staircases. Additional highlights include hardwired security with cameras, a full-home generator, multiple laundry areas, a cold room, and countless luxury upgrades. Located in a coveted historic downtown neighbourhood with mature, tree-lined streets, this home offers easy walking to restaurants, shops, and cafés. Ideal for commuters close to the GO Train and Highway 401.

    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
    Jul 3, 2026ListedCurrentFor sale$2,299,900 —E13519274This 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.

    📍 505 King Street
    What's nearby

    Points of interest classified by the MLS® feed.

    • Fenced Yard
    • Level
    • Library
    • Park
    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
    $11,299
    20% down · 25y · 5.50% — adjust below ↓
    Est. monthly property tax
    $1,266
    0.66% mill rate · ON
    The market

    How this home sits in the Whitby market

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

    The Whitby market right now

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

    • Avg sold price
      $940,314
      Last 30 days
    • Median sold price
      $885,000
      Middle of the market
    • Days on market
      24 d
      Avg from list to close
    • Closed last 30d
      442
      MLS® transactions
    Full Whitby market report
    Buy with Coldwell Banker Summit Realty

    We'll get you into 505 King 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 505 King 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 505 King Street listed for?

      505 King Street is listed at $2,299,900 on the MLS® (listing E13519274). The price refreshes on Summitly within minutes of any MLS® change.

    • How many bedrooms, bathrooms, and square feet does 505 King 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. 4 baths
  2. 3500-5000 sqft
  3. Detached
  4. Asking
    $2,299,900
    $0 / sqft · MLS® E13519274
    Chat Zara
  5. Zara AI Estimate
    Live · refreshes nightly
    Estimated value
    $1,109,571
    $1,020,805Confidence range$1,198,336
    Asking vs estimate
    ↑↑well-above
    +$1,190,329
    (+107.3%)
    Asking is well above
    Run the affordability numbers

    Based on the city's average sold price, adjusted for 4 bedrooms (no sqft on file).

    Market analytics

    Homes like this in Whitby sell in about 24 days — this one has been listed 7 days.

    Avg sold price
    $940,314
    Median sold
    $885,000
    Avg days on market
    24
    Recently sold
    442
    See comparable sales
    Walk through online
    Listing agent has provided a interactive tour
    Open virtual tour
    AI highlights by Zara
    • This exceptional custom home with over 5,000 sq ft of total living space features 4+1 bedrooms, 4 bathrooms, a finished in-law suite, and a detached 2-storey carriage house offering incredible flexibility.
    • Enjoy a private backyard oasis complete with irrigation, landscape lighting, a tranquil fountain, and a wood-burning outdoor fireplace.
    • The luxurious primary suite offers designer lighting, a spa-inspired ensuite and large walk-in closet.
    • The heated and air-conditioned carriage house features vaulted ceilings, a wood-burning fireplace, Saltillo tile, hardwood flooring, and custom wood staircases.
    Ask Zara a follow-up
    Sewer
  6. Parking & garage

    4
    Garage
    Detached
    Garage spaces
    2
    Parking spaces
    7
    Driveway
    Private
  7. Interior

    5
    Basement
    Finished
    Family room
    Y
    Kitchens
    1
    Total rooms
    10
    Laundry level
    Upper Level
  8. Exterior & construction

    4
    Exterior
    Brick, Stone
    Roof
    Asphalt Shingle, Cedar, Metal, Shake
    Foundation
    Poured Concrete
    Pool
    None
  9. Lot & land

    1
    Lot dimensions
    51.00 x 136.00 Feet
  10. Listing & possession

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

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

    Room dimensions

    Main level

    5 rooms
    • Dining Room
      hardwood floor · crown moulding · window
      7.5 × 6.8 ft
    • Kitchen
      breakfast bar · marble counter · custom backsplash
      10.5 × 10.2 ft
    • Mud Room
      walk-out · marble floor · b/i shelves
      7.1 × 6.2 ft
    • Breakfast
      w/o to yard · crown moulding · hardwood floor
      11.6 × 10.4 ft
    • Living Room
      hardwood floor · fireplace · crown moulding
      21.7 × 11.5 ft

    Second level

    3 rooms
    • Bedroom 3
      broadloom · double closet · window
      12.4 × 11.5 ft
    • Primary Bedroom
      4 pc ensuite · vaulted ceiling(s) · walk-in closet(s)
      20.3 × 17.2 ft
    • Bedroom 2
      broadloom · double closet · window
      14.4 × 12.6 ft

    Third level

    1 room
    • Loft
      juliette balcony · sauna · mirrored walls
      9.9 × 6.3 ft

    Basement level

    1 room
    • Bedroom 5
      fireplace · slate flooring · above grade window
      13.8 × 12.0 ft
  12. Public Transit
  13. Combined estimate
    $12,565
    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
    $11,299
    /mo
    based on the purchase price of $2,299,900
    $459,980 cash
    $1,839,920 financed
    $1,549,696 total interest
    Monthly payment$11,299/ month
    Principal54%$1,839,920
    Interest46%$1,549,696

    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 Whitby

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

    • 3 Kinross Avenue
      Sold
      Sign in for price
      3 Kinross Avenue
      Detached
    • 803 Linden Court
      Sold
      Sign in for price
      803 Linden Court
      Detached
    • 24 Rushlands Crescent
      Sold
      Sign in for price
      24 Rushlands Crescent
      Detached
    • 25 Montana Crescent
      Sold
      Sign in for price
      25 Montana Crescent
      Detached
    • 63 McBeth Place
      Sold
      Sign in for price
      63 McBeth Place
      Detached
    • 11 Durham Street
      Sold
      Sign in for price
      11 Durham Street
      Detached
    AddressBd / BaSqftSold$/sqft% of askSold
    505 King StreetThis home4 / 435,005,000$2,299,900ask———
    3 Kinross Avenue4 / 42,500—
    803 Linden Court3 / 31,500—
    Sold prices are hidden under TRREB rules. Sign in to reveal them.

    More detacheds in Whitby

    Active listings within ±20% of this asking price.

    • 30 Hanover Court
      $1,899,000
      30 Hanover Court
      Detached 4 5
    • 33 North Street
      $2,595,000
      33 North Street
      Detached 4 5
    • 39 Glengowan Street
      $1,899,900
      39 Glengowan Street
      Detached 4 5
    • 134 Front Street
      $1,899,000
      134 Front Street
      Detached 4 5
    • 9640 Dagmar Road
      $1,995,000
      9640 Dagmar Road
      Detached 3 2
    • 82 Bridlewood Boulevard
      $2,349,000
      82 Bridlewood Boulevard
      Detached 4 5
    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.

  14. One team, no handoffs

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

  15. Showings on YOUR schedule

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

  16. Mortgage that closes

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

  17. Public listing courtesy of RE/MAX Rouge River Realty Ltd. · displayed on Summitly per MLS® data-share rules

    505 King Street is a 4-bedroom, 4-bath, 3500-5000 sqft. Full room dimensions and floor breakdown are in the 'Rooms' section of this page.

  18. When was 505 King Street built?

    The year built for 505 King Street isn't published in this MLS® feed — ask a Summitly realtor for the construction year from the seller's disclosure.

  19. What is the property tax for 505 King Street?

    The 'Property tax' tab in the History section shows the most recent annual tax for 505 King Street plus a 5-year breakdown with YoY % change. Monthly equivalent is shown alongside.

  20. How much would the monthly mortgage be on 505 King Street?

    The affordability calculator on this page shows an estimated monthly mortgage for $2,299,900 at 20% down, 25-year amortization, and 5.5% rate. Adjust the sliders to model your own down payment and rate.

  21. Has 505 King Street been sold before?

    The 'Listing history' tab above lists every previous MLS® listing of 505 King Street with its list date, sold price (when sold), and final status. Each row is colour-coded with price-change arrows.

  22. What neighbourhood is 505 King Street in?

    505 King Street is in Downtown Whitby, Whitby. The 'Neighbourhood' section below links to the live Whitby real estate hub with average sold price, days on market, and current inventory.

  23. Is Whitby a good place to live?

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

  24. 24 Rushlands Crescent
    4 / 3
    2,000
    —
    25 Montana Crescent3 / 43,000—
    63 McBeth Place4 / 32,500—
    11 Durham Street5 / 43,500—